ASSESSMENT OF GEOTHERMAL POTENTIAL OF THE …

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ASSESSMENT OF GEOTHERMAL POTENTIAL OF THE WARM WATER WELL and WATER QUALITY CHARACTERISTICS OF WATER FEATURES Proposed Helman Springs Subdivision Ashland Oregon I I I I I I CES Natural It fOr r Robert Coftan Cascade Earth Sciences 225 S Holly St Medford Oregon 97501 541 7792280 www cascad arth com

Transcript of ASSESSMENT OF GEOTHERMAL POTENTIAL OF THE …

ASSESSMENT OF GEOTHERMAL POTENTIAL OF THEWARM WATER WELL and WATER QUALITYCHARACTERISTICS OF WATER FEATURES

Proposed Helman Springs Subdivision Ashland Oregon

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CESNatural It fOr r

Robert Coftan

Cascade Earth Sciences225 S Holly St

Medford Oregon 97501541 7792280

www cascad arth com

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CES fG

Natural Solutions for Water1 Go

ASSESSMENT OF GEOTHERMAL POTENTIAL OF THE WARM WATER WELL

and WATER QUALITY CHARACTERISTICS OF WATER FEATURES

Proposed Helman Springs SubdivisionAshland Oregon

Principal Author Robert A Coffan Senior Hydrologist

Reviewed by George Spinner Senior Biologist

Prepared For Sage Development LLC2305 Ashland St

Ashland OR 97520

Prepared By Cascade Earth Sciences225 S Holly StreetMedford Oregon 97501541 779 2280

PN 2624019 002 October 24 2006

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TABLE OF CONTENTS

EXECUTIVE SUMMARy v

1 0 Task 1 Investigation of Pool and Holding Tank During MaintenanceDraining

l

2 0 Task 2 Down Hole Logging of the Warm Water Well 2

2 1 Methods 2

2 2 Results 2

2 3Discussion

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3 0 Task 3 Water Quality Comparison of Warm Water Well to Other Waters 3

3 1 Methods 3

3 2 Results 43 3 Discussion 5

TABLES

Table 1Table 2

Verification Measurements for Level TROLL 700 Section 2 2Water Quality Results

FIGURES

Figure 1

Figure 2

Figure 3Figure 4

Site Map Showing Location ofrelevant FeaturesWater Quality ResultsWarm Well Temperature ProfIleTrilinear Analysis ofAll Water Samples

APPENDICES

Appendix A PhotographsAppendix B Lab Results

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EXEC S RY

Relevant features at the Site that pertain to this assessment are shown on Figures 1 and 2 As

previously reported flowing springs were observed in the bottom of the pool and the holding tank

Although the depth of the warm water well was reported1

to be up to 700 feet below groundsurface bgs the total depth that was monitored in this assessment was only 21 1 feet bgs which

would be more typical of an older well that was likely hand dug The temperature of the well

water was almost constant ranging from 804 degrees Fahrenheit OP at the surface of the water

table to 8143 OP at the bottom ofthe well

Water quality from the warm water well was compared to water quality from two other springsone seep and groundwater encountered in two test pits With the exception of one test pit TP4

Figure 2 located in the southeast comer of the Site near Otis Street the water quality signaturesof the all samples are very similar to the warm water well and indicative of geothermal originDue to the shallow depth low temperature and relatively poor water quality the warm water well

is not a viable geothermal resource or agood water source for irrigation needs The sample from

test pit TP4 is markedly different from all other samples and appears to be influenced by nearbysurface water infiltration from anearby source in the southeast upgradient comerof the Site

Spring l and Seep 3 Figure 2 are emanating from man made structures Groundwater was

encountered at 7 feet bgs to the south of these features and was not encountered in test pitsadvanced to adepth over 10 feet bgs north of the structures This implies that shallow groundwaterdaylighting at the ground surface is not the source of the springs in the wetland areas Therefore

the source of the wetland water may be eliminated if the man made structures are removed

Details supporting the conclusions summarized above are presented for each task below

1Verbal introductory discussions with Sage

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October 24 2006Page v

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1 0 Task 1 Investigation ofPool and Holding Tank During Maintenance Draining

On Tuesday August 1 2006 a CES StaffEngineer visited the Site while the pool and holding tankwere being drained for maintenance The purpose of the visit was to investigate the springs that

reportedly existed within the pool bottom Two spring vents both approximately 16 inches indiameter were observed in the bottom of the pool Photograph 1 Appendix A One opening isbordered by a wooden frame and the other is an opening in the concrete The two openings are

spaced approximately two feet apart Photograph 2 The close proximity of the openings maysuggest asingle spring In order todetermine whether the twovents are from one or two springs a

geotechnical assessment of the subsurface including water chemistry would be necessary A

geotechical assessment of the subsurface was beyond the scope of work for this project Howeverbased on the observations discussed below for all intent and purposes it is reasonable to assume

that the two vents represent one spring

The water from the pool empties into a drain located near the two spring vents The pool was

empty at the time of inspection The water from the spring vents in the bottom of the pool was

flowing to the drain Photograph 3 A small bucket with I quart gradation marks and a wristwatch were used to measure the flow rate from the spring vents At the time of inspection theflow rate was estimated to be 2 25 gallons per minute gpm The temperature of the water was

measured at the vents using a digital thermometer and was 78 degrees Fahrenheit 0 F for both

spring openings

In addition to the two observed spring vents water was observed to be flowing through the wallson the south and east sides of the pool Photograph 4 The concrete surfaces of the pool are

weathered showing signs of abrasion and cracking The cracks and surfaces have been maintainedwith apatchwork of epoxies and sealants The deepest part of the pool is approximately eight feetThe water flowing through the pool walls suggests a shallow water table and high pore pressuresalong the southern margin of the pool Photograph 5 The presence and build up of water in thesoil applies increased stress against the walls ofthe pool and forces water to flow through them

The pool is also filled from an artesian warm water well located approximately 500 feet southeastof the pool house The temperature of the water of the artesian well was measured using adigitalthermometer The temperature of the water was 820 F at the time of inspection The flow rate ofthe artesian well was not measured Water from the artesian well is conveyed to the pool holdingtank Figure 2 via a subsurface pipe The holding tank is constructed of stone and is

approximately 10 feet long 10 feet wide and 10 feet deep and can hold approximately 7 480

gallons of water The holding tank was empty at the time of inspection In addition to the water

flowing into the holding tank from the artesian well water was observed to be emanating from a

spring in the bottom of the holding tank Photographs 6 7 Therefore the holding tank alsoserves as aspring box

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2 0 Task 2 Down Hole Logging of the Warm Water Well

The purpose of the temperature profile was to measure the depth ofthe well and to characterize the

water temperature variation by depth It was suggested by persons familiar with the artesian warm

water well that the depth of the well approached 700 feet below ground surface bgs Prior to

measuring the temperature profile CES researched the well log database of the OregonDepartment of Water Resources CES was unable to locate any documentation for the artesian

warm water well located on the Helman Springs Subdivision Therefore CES prepared to measure

the water temperature at one foot intervals up toadepth of700 feet bgs

2 1 Methods

CES performed the down hole field work on August 16 2006 The temperature and depth data

were measured with an In Situ Inc Leve1lROLL 700 sensor herein referred to as the sensor

The sensor contains apressure transducer water level sensor a thermistor temperature sensor a

data logger and an internal power source The sensor was connected to 700 feet of RS 232 cable

and integrated with a laptop computer The top of the well housing is comprised of a 6 wide x 6

wide x 3 tall concrete tank similar to a Jacuzzi pool The actual top of the steel well casing is

located at the bottom of the well housing pool at ground level A wooden plank was placed over

the well housing pool The spool of RS 232 cable along with the sensor was mounted to the

plank and suspended over the opening ofthe well casing Photograph 8

The sensor was calibrated for both depth and temperature parameters in the field prior tocollectingdata measurements Once the sensor was calibrated and the results verified the sensor was

lowered into the well at one foot increments Water level and temperature data was measured for

50 seconds at each one foot interval The data was logged at a frequency of one measurement

every 250 milliseconds resulting in a total of 250 measurements for each one foot interval

A final set of measurements were collected at the bottom of the well The sensor was placed at the

bottom ofthe well and allowed to collect measurements for thirty minutes toverify that the systemwas in equilibrium

2 2 Results

Verification of the sensor was confirmed by comparing depth and temperature measurements from

several instruments The results ofthese measurements are presented in Table 1

Table 1 Verification Measurements for LevellROLL 700

Verification Level TROLL 700 Tape Measure Tape Measure DigitalMeasurement 16 metal 200 Fiberglass Thermometer

Depth of Water in 2 11 feet 2 13 feet

Well Housin Pool

Depth of Water in 213 feet 211 feetWell CasingTemperature of 804P 804 P

Water in Well

Housing Pool

Ambient Air 78 6 P 79 0P

Temperature

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The total depth of the warm water well is only 232 feet below the water surface in the warm water

well box cover photograph or 21 1 bgs The results of the temperature profile for the well are

presented in Figure 3 The minimum temperature of the well water is 804 OP at the surface of thewell housing pool rising slightly toamaximum temperature of 8145 OP at the bottom of the well

The temperature at the opening of the well casing starts at 804 OP and increases over themeasurement interval to 80 8 OP The next measurement interval collected at adepth of 3 25 feetis located 1 14 feet bgs The temperature at this depth starts at 80 8 OP and gradually increasesover the measurement interval to 812 Po Review of Figure 3 shows that the water temperatureremains relatively constant from about 4 feet bgs to the bottom ofthe well

2 3 Discussion

The precision of the sensor was more than satisfactory for this assessment Therefore the resultsof this study are presented with enough detail to provide specific conclusions The depth of thewell is 21 1 feet bgs significantly less than the anticipated 700 feet bgs The temperature of thewater increases by approximately one degree from 804 OP at the top of the water column to 8145OP at the bottom Due to the relatively low water temperature in a short water column the well is

not a viable resource for geothermal potential The increase in temperature with depth suggests a

hotter water resource at agreater depth but the exiting well would have to be deepened or anothernew well would have to be installed

3 0 Task 3 Water Quality Comparison of Warm Water Well toOther Waters

The objective of this task was to compare the water quality signature of the warm water well to

other water sources at the Site in order to assess differences andor similarities

3 1 Methods

Three springs in wetland areas were identified for sampling Figure 2 In addition Sage retained a

geotechnical engineer to install test holes using a backhoe at the Site on August 16 2006

Photograph 9 Groundwater was encountered in two of the seven test pits and CBS collected

water samples from both test pits

CBS collected six water samples from the areas identified below and shown on Figure 2

warm water well W 1

spring in the open space on lot 19 Spring I

spring near the west wall ofthe pool house on proposed lot 18 Spring 2

seep2 on proposed lot 10 Seep 3

groundwater encountered in test pit near the southwest comer of the Site TP 2

groundwater encountered in the test pit in the southeast comer of the Site TP4

2For purposes of this report a seep is a spring with no discernable flow

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The analyte suite consisted of

major ions calcium magnesium sodium potassium lithium carbonates sulfate chloridefluoride

nutrients nitrate nitrite

trace metals aluminum antimony arsenic barium beryllium boron cadmium chromium

copper iron lead manganese nickel selenium silver thallium and zinc

oxidationreduction potential redox and

field parameters temperature conductivity and pH

Field work was performed on August 16 and 22 2006 Spring l appears tobe developed Thoughthe edges are covered with thick vegetation there is an open water area approximately 4 6 feet

deep and 6 feet wide Exploration ofthe bottom revealed a hard flat layer The hard material was

not identified Water was sampled from the spring s open area Flow was measured from a

temporary weir several feet downstream from the spring using a bucket and stopwatchPhotographs 10 and 11

Small clearing basins were hand dug at Spring 2 and Seep 3 in order to collect water samples Thebasins were left several hours to allow the spring flow to come back into equilibrium prior to

collecting water samples Photographs 12 and 13 During the placement of the clearing basinsfield staff encountered a man made structure at Seep 3 Photograph 14 Further explorationfollowing sampling revealed the intact edge of aburied wooden stave barrel with open water underthe mass of overgrown roots on the inside edge of the staves and soil on the outside edge The

seep is emanating from a wooden barrel of some kind No discernable flow was observed at Seep3 Flow from Spring 2 was measured several feet downstream of the clearing basin by creating a

temporary weir and using abucket and stopwatch

3 2 Results

Water quality results are shown in Table 2 Parameters that were not significant in comparingwater quality signatures are not shown in Table 2 For example silver beryllium and cadmiumwere not detected in any of the water samples and are therefore not shown Copies of all

laboratory results are included as Appendix B

Nitrate was not detected in any sample with the exception of TP4 where it was measured at 3 94

milligrams per liter mgIL The presence of nitrate in groundwater is very often associated withhuman activities at the land surface from fertilizers livestock septic systems etc

With the exception of TP4 the pH measurements in all samples were relatively high or basic

ranging from 8 75 standard units Seep 3 to 9 64 Well I As a comparison the OregonDepartment of Environmental Quality secondary standard for pH is between 6 5 and 8 5 The pHat TP4 was 648 similar to precipitation and surface water

With the exception of TP4 the conductivity in all samples was similar ranging from 603 micro

Siemens uS Spring 2 to 754 uS TP 2 Conductivity at TP4 was lower at 431 uS

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With the exception of TP4 the oxidationreduction potential redox for all samples was negativeranging from 138 Spring 2 to 215 Spring I The redox ofTP4 was positive 64 6 indicationamore oxidized environment

A trilinear diagram is a useful way to look at similarities and differences in the basic chemical

makeup of water from different sources The major positively charged ions cations and

negatively charged ions anions that are found in virtually all natural water sources are plotted on

the diagram Where they plot on the diagram is a result of the relative concentration of one ion inthe sample to other ions in the sample The size of the point that is plotted is relative to the totaldissolved solids in the sample Trilinear analysis of all water samples is shown in Figure 4 Withthe exception of TP4 all samples are clumped together in the anion triangle due to the relativelyhigh chloride concentrations In comparison TP4 is relatively high in carbonates with almost no

chloride The well springs and seep all plot together in the cation triangle as well comprisedalmost entirely by sodium TP 2 has the highest total dissolved solids IDS of all samples The

higher IDS and the location of TP 2 relative to the clumped points and TP4 may indicate mixingof the groundwater at TP 4 and the geothermal waters in the well and springs

Concentrations of several metals including aluminum iron and manganese were higher in the test

pit samples This is not surprising since the samples in the test pits were collected immediatelyafter excavation and the water was turbid with suspended sediments However with the exception

ofTP4 boron concentrations for all samples were similar ranging from 3 73 mgIL W I to 4 73

mgIL TP 2 Boron was markedly lower in TP4 at 0 70 mgIL

Flow measured at the two springs was 042 gallons per minute at Spring I and 033 gallons perminute at Spring 2 Discemable flow was not observed at Seep 3 These flows are relatively lowin comparison to the artesian flow of the warm water well

3 3 Discussion

With the exception ofthe groundwater encountered in the test pit in the southeast comer of the Sitenear Otis Street TP4 there is a marked similarity in water quality from the different sources

The water quality is indicative of geothermal origin as evidenced by high pH reduced conditions

high sodium and chloride concentrations Groundwater at TP 4 is different from all other samplesand shows contribution of surface water as evidenced by the presence of nitrate and neutral pHThe source of groundwater at TP4 is likely the inftltration of nearby surface water south of OtisStreet Groundwater at TP 2 is likely a combination of mixing between the surface water derived

groundwater in TP4 and the geothermal derived water in the other locations

Spring l and Seep 3 are emanating from man made structures Groundwater was encountered at

73 feet bgs to the south of these features and was not encountered in test pits advanced to adepthof over 10 feet bgs north of the structures This implies that shallow groundwater daylighting at

the ground surface is not the source of the springs in the wetland areas Therefore the source ofthe wetland water may be removed if the man made structures are removed

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Water quality results notably the high boron sodium chloride and pH indicate that the water

from the warm water well would not be suitable for irrigating crops For example though boron isan essential plant nutrient at low concentrations it can be toxic to many plant species especiallytrees when concentrations in water exceed approximately 0 5 to 0 75 mgIL The boronconcentration in the warm water well is over five times greater than these values

Prepared by

CASCADE EART

Robert A CoffanSenior Hydrogeologist

Cascade Earth Sciences Medford ORPN 2624019 Doc 2624019 GeoThermal Assessment

Geothermal Assessment

October 24 2006Page 6

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TABLES

Table 1 Verification Measurements for Level TROLL 700 Section 2 2Table 2 Water Quality Results

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TABLES

Table 1 Verification Measurements for Level TROLL 700 Section 2 2Table 2 Water Quality Results

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August 16 22 2006

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2624019

TE 1 092006Helman Springs Subdivision

NW 1 4 of Sec 4 T39S R1E W M247 Otis Street

Ashland Oregon

CCS CASCADE EARTH SCIENCES

J A Velmant Industries Company

cwo BY DWO NO

8DEO 2624019F4 dwg

R 4RAC

REVISED

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APPENDICES

Appendix A PhotographsAppendix B Lab Results

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Appendix A

Photographs

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Appendix B

Lab Results

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i NEILSO RIrSEARCH ICORORArIO IIJL i J L lL

Environmental TestingLaboratory

0822 06

Mr Robert CoffanCascade Earth Science225 S Holly St

Medford OR 97501

TEL 541 779 2280

FAX 541 773 4404

RE 2624019 BG 02 Helman Springs

Dear Mr Robert CoffanOrder No 0608470

Neilson Research Corporation received 3 sample s on 08 17 06 for the analyses presented inthe following report

The results relate only to the parameters tested or to the sample as received by the laboratoryThis report shall not be reproduced except in full without the written approval ofNeilsonResearch Corporation Ifyou have any questions regarding these test results please feel freeto call

SincerelyNeilson Research Corporation

11Fay L Fowler

Project Manager

NRC Page 1 of 20

245 South Grape StreetMedford OR 97501 3123 II 541 770 5678 fax 541 770 2901

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A I R rt ORELAP 100016na YSIS epoEPA OR0002B

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

CLIENT

ProjectLab Order

Cascade Earth Science

2624019 BG02 Heiman Springs0608470

Date 22 Aug 06

CASE NARRATIVE

The analyses wereperformed according to the guidelines in the Neilson Research Corporation QualityAssurance Program This report contains analytical results for the sample s as received by the laboratory

Neilson Research Corporation certifies that this report is in compliance with the requirements ofNELAP Nounusual difficulties wereexperienced during analysis ofthis batch except as noted below or qualified withdata flags on the reports

NRC Page2 of 20

INeilson Research Corporation

245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901I

Analysis Report ORELAP 100016

EPA 0000028I Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order 0608470

NRC Sample ill 0608470 01A

Collection Date 08 16 0611 20 00 AM

Received Date 08 17 06 8 45 00 AM

Reported Date 08 22 06 2 44 27 PM

I

I Sample InformationClient Sample ill HS Spring 2

Collectors Name RAC

Sample Location HS Spring 2

Source Spring

2624019 BG 02 Helman Springs

I

I TOP 30 ANALYSIS 1M

Date

Units A imit Analyzed I

iAnalyses

1

Alkalinity Bicarbonate As HC03

Alkalinity Carbonate As C03

Aluminum

AntimonyArsenicBarium

BerylliumBoron

Cadmium

Calcium

Chloride

Chromium

CopperFluoride

Hardness

Iron

Lead

Lithium

Magnesium

ManganeseNickel

Nitrate NitrogenNitrite Nitrogen

pHPotassium

Selenium

Silver

Sodium

Specific ConductanceSulfate

NELAC

Method Accredited ResultI Qual MRL

SM 2320B

SM 2320B

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 7

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 7

EPA 200 7

EPA 200 8

EPA 300 0

EPA 300 0

8M 4500 H B

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

SM 2510B

EPA 300 0

20 4

30 0

1 22

NO

0 00180

NO

NO

3 79

NO

3 98

117

0 00202

NO

3 29

12 2

1 68

0 008390 138

NO

0 0301

0 00129

NO

NO

9 47

1 59

0 00179

NO

116

528

10 8

12

6

0 005

0 0002

0 0005

0 05

0 0001

0 05

0 0001

1

10

0 0005

0 01

0 2

3 8

0 015

0 0001

0 1

1

0 02

0 0005

0 2

0 05

0 1

1

0 0005

0 0001

1

1

0 5

mglLmg L

mg L

mg L

mg L

mglLmg L

mg L

mg L

mg L

mglLmg L

mg L

mg L

mg L

mg L

mg L

mg L

mglLmg L

mg L

mg L

mg L

pH Units

mg L

mg L

mg L

mg L

IJmhos cm

mg L

08 21 06

08 21 06

08 18 06

08 18 06

08 18 06

08 1806

08 18 06

08 18 06

08 18 06

0818 06

0818 06

08 18 06

0818 06

08 1706

08 18 06

08 18 06

08 18 06

0818106

08 18 06

08 18 06

08 18 06

08 17 06

08 17 06

08 17 06

08 18 06

08 18 06

08 18 06

08 18 06

08 17 06

08 17 06

IA

A

A

A

A

A

A

A

A

A

A

A

A

A

A

0 05 0 2

0 006

0 010

2 0

0 004

N L

0 005

N L

250

0 1

1 3AL

2 4

250

0 3

0 015 AL

N L

N L

0 05

0 1

10

1

6 5 8 5

N L

0 05

0 1

NL

N L

40

I

I

I

I A

A

A

A

A

A

I

I A

A

A

A

AI

INotes MRL Minimum Reporting Limit ND Not Detected at the MRL NL No Limit

TM Top 30 is a registered trade mark of Neilson Research COloration Oregon Accredited Laboratory ORELAP 100016 OR 028

The current Arsenic limitfor public water systems is 0 05 mgIL Allpublic watersystems must comply by Ian2006 to the new Arsenic limitof 0 010 mg L

Please Note Ifthe test results indicate aneed forwater treatment orconditioning additional testing may be requiredI 1

NRC Page 3 of20

IT I

J 1

I

Analysis Report o

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order 0608470

NRC Sample ID 0608470 01A

Collection Date 08 16 06 11 20 00 AM

Received Date 08 17 06 8 45 00AM

Reported Date 08 22 06 2 44 27 PM

I

ISample In armatio I2624019 BG 02 Helman Springs

Client Sample ill HS Spring 2

Collectors Name RAC

Sample Location HS Spring 2

Source SpringI

ITOP 30 ANALYSISTM

1

AnalysesI

Thallium

Zinc

NELAC Date IMethod Accredited Result Qual MRL Units EPA Limit AnalyzedEPA 200 8 A NO 0 0005 mg L 0 002 08 1806EPA 200 7 A NO 0 05 mg L 5 0 08 18 06

I

I

I

I

I

I

I

II

Notes MRL Minimum Reporting Limit NO Not Detected at theMRL N L No LimitTop 30 is aregistered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 ORo28

The current Arsenic limit for public water systems is 0 05 mglL All public water systems must comply by Jan 2006 to thenew Arsenic limitof 0010 mglL

I

2 IPlease Note fthe test results indicate a need for water treatment or conditioning additional testing may be required

NRC Page 4 of 20

I

I

I Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I Analysis Report ORELAP 100016

EPA OR00028

ICascade Earth Science

225 S Holly St

Medford OR 97501

I Sample Information

I2624019 BG 02 Helman Springs

I

II

I Analyses

IAlkalinity Bicarbonate As HC03

Alkalinity Carbonate As C03

Aluminum

AntimonyArsenic

Barium

BerylliumBoron

Cadmium

Calcium

Chloride

Chromium

CopperFluoride

HardnessIron

Lead

Lithium

Magnesium

ManganeseNickel

Nitrate NitrogenNitrite Nitrogen

pHPotassium

Selenium

Silver

Sodium

Specific ConductanceSulfate

I

I

I

I

I

I

I

I

I

I

Lab Order 0608470

NRC Sample ill 0608470o2A

Collection Date 08 16 06 1 30 00 PM

Received Date 08 17 06 8 45 00 AM

Reported Date 08 22 06 2 44 27 PM

Client Sample ill HS Spring 1

Collectors Name RAC

Sample Location HS Spring 1

SoWce Spring

TOP 30 ANALYSIS

NELACAccredited ResultMethod

SM 2320B

SM 2320B

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 7

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 7

EPA 200 7

EPA 200 8

EPA 3000

EPA 300 0

SM 4500 HB

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

SM 2510B

EPA 300 0

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

50 4

9 60

0 00980

NO

0 00116

NO

NO

441

NO

3 82

170

NO

NO

3 49

9 61

0 0328

0 000214

0 173

NO

NO

NO

NO

NO

9 07

1 17

0 00271

NO

144

606

5 15

Notes MRL Minimum Reporting Limit NO Not Detected at theMRL N L No LimitTM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028The current Arsenic limitfor public water systems is 0 05 mglL All public watersystems must comply by Jan 2006 to thenew Arsenic limitof 0 010 mglLPlease Note Ifthe test results indicate aneed for watertreatment orconditioning additional testing may be required

A

A

A

A

A

A

A

A

A

A

A

NRC Page 5 of 20

TM

Qual MRL

12

6

0 005

0 0002

00005

0 05

0 0001

0 05

0 0001

1

25

0 0005

001

0 2

3 8

0 015

0 0001

0 1

1

0 02

00005

0 2

0 05

0 1

1

0 0005

0 0001

10

1

0 5

Date IUnits EPA Limit Analyzed

mg L 08 21 06

mg L 08 21 06

mg L 0 05 0 2 08 18 06

mg L 0 006 0818 06

mg L 0 010 08 1806

mg L 2 0 08 18 06

mg L 0 004 08 18 06

mg L N L 08 18 06

mg L 0 005 08 18 06

mg L N L 0818 06

mg L 250 0818 06

mglL 0 1 08 1806

mg L 1 3 AL 08 18 06

mg L 2 4 08 17 06

mg L 250 08 18 06

mg L 0 3 08 18 06

mg L 0 015 AL 08 18 06

mg L N L 0818 06

mg L N L 0818 06

mg L 0 05 08 18 06

mg L 0 1 08 18 06

mg L 10 08 17 06

mg L 1 08 17 06

pH Units 6 5 8 5 08 17 06

mg L N L 08 18 06

mg L 0 05 08 18 06

mg L 0 1 08 18 06

mglL N L 0818 06

mhos cm N L 08 17 06

mg L 40 08 17106

3

j I

I

Analysis Report o

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

ILab Order 0608470

NRC Sample ID 0608470 02A

Collection Date 08 16 061 30 00 PM

Received Date 08 17 068 45 00 AM

ReportedDate 08 22 06 2 44 27PM

I

Sample Information I2624019 BG 02 Helman Springs

Client Sample ID HS Spring 1

Collectors Name RAC

Sample Location HS Spring I

Source SpringI

ITOP 30 ANALYSISTM

NELAC Datei Analyses Method Accredited Result Qual MRL Units EPA Limit AnalYzThallium EPA 200 8 A NO 0 0005 mg L 0 002 08 18 06Zinc EPA 200 7 A NO 0 05 mg L 5 0 08 18 06

I

I

I

I

I

I

I

I

INotes MRL Minimum Reporting Limit ND Not Detected at theMRL NL No Limit

Top 30 is a registered trade mark ofNeilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR 028The current Arsenic limit forpublic watersystems is 005 mglL Allpublic water systems mustcomply by Jan 2006 to thenew Arsenic limitofO OlD mglLPlease Note Ifthe test results indicate a need forwater treatment or conditioning additional testing may be required

I

4I

NRC Page 6 of 20

I

INeilson Research Corporation

245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901I

Analysis Report ORELAP 100016

EPA ORooonI Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order

NRC Sample ill

Collection Date

Received Date

Reported Date

0608470

0608470 03A

08 16 06 10 30 00AM

08 17 068 45 00 AM

08 22062 44 27PM

I

I Sample InformationClient Sample ill SH W l

Collectors Name RAC

Sample Location SH W l

Source Spring

2624019 BG 02 Helman Springs

I

I TOP 30 ANALYSISTM

IAnalyses

NELAC

Accredited Result

Date

Analyz d I08 21 06

08 21 06

08 1806

08 18 06

08 18 06

0818 06

08 18 06

0818106

08 1806

08 1806

08 18 06

08 1806

08 18 06

0817 06

0818 06

08 18 06

08 18 06

08 18 06

08 18 06

08 18 06

08 18 06

0817 06

08 17 06

08 17 06

08 18 06

0818 06

08 18 06

08 18 06

08 17 06

08 17 06

I Method

SM 2320B

SM 2320B

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 8

EPA 200 7

EPA 300 0

EPA 200 7

EPA 200 7

EPA 200 8

EPA 200 7

EPA 200 7

EPA200 7

EPA 200 8

EPA 300 0

EPA 300 0

SM 4500 H B

EPA 200 7

EPA 200 8

EPA 200 8

EPA 200 7

8M 2510B

EPA 300 0

Qual MRL

12

6

0 005

0 0002

0 0005

0 05

0 0001

0 05

0 0001

1

10

0 0005

0 01

0 2

3 8

0 015

0 0001

0 1

1

0 02

0 0005

0 2

0 05

0 1

1

0 0005

0 0001

1

1

0 5

Units EPA Limit

Alkalinity Bicarbonate As HC03

Alkalinity Carbonate As C03

Aluminum

AntimonyArsenic

Barium

BerylliumBoron

Cadmium

Calcium

Chloride

Chromium

CopperFluoride

HardnessIron

Lead

Lithium

MagnesiumManganeseNickel

Nitrate NitrogenNitrite NitrogenpH

Potassium

SeleniumSilver

Sodium

Specific Conductance

Sulfate

mgL

mg L

mg L

mg L

mg L

mg L

mgL

mg L

mg L

mg L

mg L

mgL

mg L

mg L

mgL

mg L

mg L

mgL

mg L

mg L

mg L

mg L

mg L

pH Units

mg L

mgL

mg L

mg L

IJmhos cm

mgL

NO

39 6

A NO

A NO

A 0 00103

A NO

A NO

A 3 73

A NO

A 2 47

A 117

A NO

A NO

A 3 29

A 6 19

A NO

A NO

0 131

A NO

A NO

A NO

A NO

A NO

A 9 74

NO

A 0 00627

A NO

A 114

A 465

A 446

I0 05 0 2

0 006

0010

2 0

0 004

N L

0 005

N L

250

0 1

1 3AL

2 4

250

0 3

0 015 AL

N L

N L

0 05

0 1

10

1

6 5 8 5

N L

005

0 1

NL

N L

40

I

I

I

I

I

I

I

INotes MRL Minimum Reporting Limit ND NotDetected at the MRL N L No Limit

TM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028

The current Arsenic limit for public water systems is 0 05 mglL All public water systems mustcomply by Jan 2006 to the new Arsenic limit

of 0010 mglL

Please Note Ifthe test results indicate a need for water lreatment orconditioning additionallesting may be requiredI 5

NRC Page 7 of 20

IT I

I

Analysis Report O A

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

ILab Order 0608470

NRC Sample ID 0608470 03A

Collection Date 08 16 0610 30 00 AM

Received Date 08 17 068 45 00 AM

Reported Date 08 22 06 2 44 27 PM

I

Sllmple lnformlltion I2624019 BG 02 Helman Springs

Client Sample ID SH W 1

Collectors Name RAC

Sample Location SH W 1

Source SpringI

ITOP 30 ANALYSISTM

r

f

NELAC Date Ir Analyses Method Accredited Result Qual MRL Units EPA Limit AnalyzedThallium EPA 200 8 A NO 0 0005 mg L 0 002 08 18 06Zinc EPA 200 7 A NO 0 05 mg L 5 0 08118 06

I

I

I

I

I

I

I

II

Notes MRL Minimum Reporting Limit ND Not Detected at theMRL N L No LimitTM Top 30 is a registered trade mark ofNeilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028The current Arsenic limitfor public watersystems is 005 mglL Allpublic water systems must comply by Jan 2006 to thenew Arsenic limitof 0 010 mglLPlease Note Ifthe test results indicate aneed for water treatmentor conditioning additional testing maybe required

I

6 INRC Page 8 of 20

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I NEILSO REsEARCHICORPORATlONlliL1 l 1 l l J il l

Environmental Testing Laboratory

08 29 06

Mr Robert Coff n

Cascade Earth Science

225 S Holly St

Medford OR 97501

TEL 541 779 2280

FAX 541 773 4404

RE 2624019 BG002 Helman Springs

Dear Mr Robert CoffanOrder No 0608617

Neilson Research Corporation received 3 sample s on 08 23 06 for the analyses presented inthe following report

The results relate only to the parameters tested or to the sample as received by the laboratoryThis report shall not be reproduced except in full without the written approval ofNeilsonResearch Corporation If you have any questions regarding these test results please feel freeto call

SincerelyNeilson Research Corporation

74 JtwFay L Fowler

Project Manager

NRC Page 1 of 20245 South Grape Street Medford OR 97501 3123 541 770 5678 fax 541 770 2901

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Analysis Report o 6

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

CLIENT

ProjectLab Order

Cascade Earth Science

2624019 BG002 Helman Springs0608617

Date 29 Aug 06

CASE NARRATIVE

The analyses wereperformed according to the guidelines in the NeilsonResearch Corporation QualityAssurance Program This report contains analytical results for the sample s as received by the laboratory

Neilson Research Corporation certifies that this report is in compliance with the requirements ofNELAP Nounusual difficulties were experienced during analysis ofthis batch except as noted below or qualified withdata flags on the reports

NRC Page 2 of 20

I

IAnalysis Report ORELAP 100016

EPA OR00028

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

1

Cascade Earth Science

225 S Holly 81

Medford OR 97501

Lab Order 0608617

lTRC Sample ill 0608617 01A

Collection Date 08 22 06 2 40 00 PM

Received Date 08 23 06 8 47 00 AM

Reported Date 08 29 06 9 29 52 AM

I

I Sample Information

2624019 BG002 Helman Springs

Client Sample ill HS TP2

Collectors Name RC

Sample Location HS TP2

Source Helman SpringsI

I TOP 30 ANALYSIS TM

I

NELAC DateAnalyses Method Accredited Result Qual MRL Units EPA Limit Analyzed I

1

Alkalinity Bicarbonate As HC03 SM 2320B 16 8 12 mg L 08 23 06

Alkalinity Carbonate As C03 SM 2320B 42 0 6 mg L 08 23 06

Aluminum EPA 200 7 A 112 0 005 mg L 0 05 0 2 08 24 06

Antimony EPA 200 8 A 0 000292 0 0002 mg L 0 006 08 24 06

Arsenic EPA 200 8 A 0 00990 0 0005 mg L 0 010 0824 06Barium EPA 200 7 A 0 585 0 05 mg L 2 0 0824 06

Beryllium EPA 200 8 A 0 00147 0 0001 mg L 0 004 08 24 06Boron EPA 200 7 A 4 73 0 05 mg L N L 08 24106Cadmium EPA 200 8 A 0 000506 0 0001 mg L 0 005 08 24 06Calcium EPA 200 7 A 51 3 1 mg L N L 08 24 06Chloride EPA 300 0 A 178 20 mg L 250 08 23 06

Chromium EPA 200 8 A 0 0947 0 0005 mg L 0 1 08 24 06

Copper EPA 200 7 A 0 113 001 mg L 1 3AL 08 24 06

Fluoride EPA 300 0 A 3 66 0 2 mg L 2 4 08 2306

Hardness EPA 200 7 A 431 3 8 mg L 250 08 24 06

Iron EPA 200 7 A 113 0 15 mg L 0 3 08 24 06Lead EPA 200 8 A 0 0225 0 0001 mg L 0015 AL 08 24 06Lithium EPA 200 7 1 06 0 1 mg L N L 08 24 06

Magnesium EPA 200 7 A 73 6 1 mg L N L 08 24 06

Manganese EPA 200 7 A 2 09 0 02 mg L 0 05 0824 06Nickel EPA 200 8 A 0 0553 0 0005 mg L 0 1 08 24 06

Nitrate Nitrogen EPA 300 0 A NO 0 2 mg L 10 08 23 06Nitrite Nitrogen EPA 300 0 A NO 0 05 mg L 1 08 23 06

pH SM 4500 H B A 9 53 H 0 1 pH Units 6 5 8 5 08123106

Potassium EPA 200 7 28 4 1 mg L N L 08 24 06

Selenium EPA 200 8 A 0 00174 0 0005 mg L 0 05 08124 06

Silver EPA 200 8 A 0 000162 0 0001 mg L 0 1 08 24 06Sodium EPA 200 7 A 144 10 mg L NL 08 24 06

Specific Conductance SM 2510B A 676 1 mhos cm N L 08 23 06Sulfate EPA 300 0 A 2 03 0 5 mg L 40 08 23 06

Notes MRL Minimum Reporting Limit ND Not Detected at the MRL N L No LimitTM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028

The current Arsenic limitforpublic water systems is 0 05 mglL All public water systems mustcomply by Jan 2006 to the new Arsenic limitof0 010 mgL

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I Please Note Ifthe test results indicate a need for water treatment orconditioning additional testing may be required

NRC Page 3 of 20

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A I R ORE LAP 100016na YSIS eportEPA OR00028

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order 0608617

NRC Sample ID 060861701A

Collection Date 08 2206 2 40 00 PM

Received Date 08 23 06 8 47 00 AM

Reported Date 0829 06 9 29 52 AM

I

ISample Information I2624019 BG002 Helman Springs

Client Sample ill HS TP2

Collectors Name RC

Sample Location HS TP2

Source Helman SpringsI

TOP 30 ANALYSIS TM INELAC Date IAnalyses Method Accredited Result QuaJ MRL Units EPA Limit Analyzed

Thallium EPA 200 8 A 0 000674 0 0005 mg L 0 002 08 24 06Zinc EPA 200 7 A 0 258 0 05 mg L 5 0 08124 06

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INotes MRL Minimum Reporting Limit ND NotDetected at theMRL N L No Limit

TM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028The current Arsenic limit torpublic watersystems is 0 05 mglL Allpublic water systems must comply by Ian 2006 to the new Arsenic limitof 0 01 0 mglL

IPlease Note Ifthe test results indicate a need for water treatment orconditioning additional testing may be required

2 INRC Page 4 of 20

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I Analysis Report ORELAP 100016

EPA OR0002B

Neilson Research Corporation245 South Gr pe Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order 0608617

NRC Sample ill 0608617 02A

Collection Date 08 22 062 55 00 PM

Received Date 0823 06 8 47 00 AM

Reported Date 08 29 06 9 29 52 AM

I Sample l ljormatioll

2624019 BG002 Helman SpringsClient Sample In HS TP4

Collectors Name RC

Sample Location HS TP4

Source Helman SpringsI

I TOP 30 ANALYSIS TM

I

iNELAC Date

Analyses Method Accredited Result Qual MRL Units EPA Limit AnalyzedlAlkalinity Bicarbonate As HC03 SM 2320B 155 12 mg L 08 2306

Alkalinity Carbonate As C03 SM 2320B NO 6 mg L 08 23 06Aluminum EPA 200 7 A 19 6 0 005 mg L 0 05 0 2 0824 06

Antimony EPA 200 8 A NO 0 0002 mg L 0 006 08 24 06Arsenic EPA 200 8 A 0 00292 0 0005 mg L 0 010 08 24 06Barium EPA 200 7 A 0 192 0 05 mg L 2 0 0824 06

Beryllium EPA 200 8 A 0 000308 0 0001 mg L 0 004 08 24 06Boron EPA 200 7 A 0 702 0 05 mg L N L 08 24 06Cadmium EPA 200 8 A 0 000161 0 0001 mg L 0 005 08 24 06Calcium EPA 200 7 A 40 5 1 mg L N L 08 24 06Chloride EPA 300 0 A 21 1 1 mg L 250 08 23 06

Chromium EPA 200 8 A 0 0173 0 0005 mg L 0 1 08 24 06

Copper EPA 200 7 A 0 0264 0 01 mg L 1 3AL 08 24 06Fluoride EPA 300 0 A 0 438 0 2 mg L 2 4 08 23 06

Hardness EPA 200 7 A 184 3 8 mg L 250 0824 06Iron EPA 200 7 A 17 2 0 015 mg L 0 3 08 24 06Lead EPA 200 8 A 0 00286 0 0001 mg L 0 015 AL 08 2406Lithium EPA 200 7 NO 0 1 mg L N L 08 2406

Magnesium EPA 200 7 A 20 1 1 mg L N L 08 24 06

Manganese EPA 200 7 A 0 923 0 02 mg L 0 05 08 24 06Nickel EPA 200 8 A 0 0208 0 0005 mgL 0 1 08 24 06Nitrate Nitrogen EPA 300 0 A 3 94 0 2 mg L 10 0823 06Nitrite Nitrogen EPA 300 0 A NO 0 05 mg L 1 08 23 06

pH SM 4500 H B A 6 99 H 0 1 pH Units 6 5 8 5 0823 06

Potassium EPA 200 7 8 36 1 mg L N L 08 24 06

Selenium EPA 200 8 A 0 000637 0 0005 mg L 0 05 0824 06Silver EPA 200 8 A NO 0 0001 mg L 0 1 08 24 06Sodium EPA 200 7 A 23 0 1 mg L N L 08 24 06

Specific Conductance SM 2510B A 342 1 Ilmhos cm N L 08 23 06Sulfate EPA 300 0 A 35 2 0 5 mg L 40 08 23 06

Notes MRL Minimum Reporting Limit ND Not Detected at the MRL N L No LimitTM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028

The current Arsenic limit for public water systems is 0 05 mgIL All public water systems must comply by Jan 2006 to thenew Arsenic limitof0 010 mg L

Please Note Ifthe test results indicate a need forwater treatmentorconditioning additional testing may be required3

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A I R ORELAP 100016na YSIS eportEPA OR00028

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade EarthScience

225 S Holly St

Medford OR 97501

Lab Order 0608617

NRC Sample ill 060861702A

Collection Date 08 22 06 2 55 00 PM

Received Date 08 23 06 8 47 00 AM

Reported Date 08 29 06 9 29 52 AM

I

I

2624019 BG002 Helman SpringsClient Sample ill HS TP4

Collectors Name RC

Sample Location HS TP4

Source Helman Springs

ISample Information

I

ITOP 30 ANALYSISTM

AnalysesNELAC

Accredited Result Qual MRLD te i

Units EPA Limit Analyzed IThallium

Zinc

Method

EPA 200 8

EPA 200 7

A

A

ND

ND

0 0005

0 05

mglL

mglL

0 002

5 0

08124106

08124 06

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INote5

0

MRL Minimum Reporting Limit ND Not Detected at the MRL N L No LimitTM Top 30 is a registered trade mark of Neilson Researeh Corporation Oregon Accredited Laboratory ORELAP 100016 OR 028The current Arsenic limit for public water systems is 0 05 mgIL Allpublic water systems mustcomply by Jan 2006 to thenew Arsenic limitof0 010 mglL

IPlease Note Ifthe test results indicate aneed for water treatment orconditioning additional testing may be required

4 INRC Page 6 of 20

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I Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

IAnalysis Report O A

I

Cascade Earth Science Lab Order 0608617

225 S Holly St NRC Sample ill 0608617 03A

Medford OR 97501 Collection Date 08 2206 5 50 00 PM

Received Date 08 23 06 8 47 00 AM

Reported Date 0829 06 9 29 52 AM

Sample In tJrmatioll

Client Samp1e ill HS Seep 3

2624019 BG002 Helman Springs Collectors Name RC

Sample Location HS Seep 3

Source HeIman Springs

TOP 30 ANALYSISTM

I NELAC DateIi Analyses Method Accredited Result Qual MRL Units EPA Limit nalyzed

Alkalinity Bicarbonate As HC03 SM 2320B 39 6 12 mg L 0823 06

Alkalinity Carbonate As C03 SM 2320B 14 4 6 mg L 08 23 06

Aluminum EPA 200 7 A 0 987 0 005 mg L 0 05 0 2 08 2406

Antimony EPA 200 8 A NO 0 0002 mg L 0 006 08 24 06

Arsenic EPA 200 8 A 0 00155 0 0005 mg L 0 010 08 24 06

Barium EPA 200 7 A NO 0 05 mg L 2 0 08124 06

Beryllium EPA 200 8 A NO 0 0001 mg L 0 004 08 24 06

Boron EPA 200 7 A 427 0 05 mglL N L 08 24 06

Cadmium EPA 200 8 A 0 000124 0 0001 mg L 0 005 08 24 06

Calcium EPA200 7 A 3 59 1 mg L N L 08 24 06

Chloride EPA 300 0 A 172 20 mg L 250 08 23 06

Chromium EPA 200 8 A 0 00140 00005 mg L 0 1 08 24 06

Copper EPA 200 7 A NO 0 01 mg L 1 3AL 08 24 06

Fluoride EPA 300 0 A 3 73 0 2 mg L 2 4 08 23 06

Hardness EPA 200 7 A 9 83 3 8 mg L 250 08 24 06

Iron EPA 200 7 A 0 976 0 015 mg L 0 3 08124 06

Lead EPA 200 8 A 0 0375 0 0001 mg L 0 015 AL 08 24 06

Lithium EPA 200 7 0 171 0 1 mg L N L 08 24 06

Magnesium EPA 200 7 A NO 1 mglL N L 08 24 06

Manganese EPA 200 7 A NO 0 02 mg L 0 05 08 24 06

Nickel EPA 200 8 A 0 000885 0 0005 mg L 0 1 08 24 06

Nitrate Nitrogen EPA 300 0 A NO 0 2 mg L 10 0823 06

Nitrite Nitrogen EPA 300 0 A NO 0 05 mg L 1 0823 06

pH SM 4500 H B A 8 91 0 1 pH Units 6 5 8 5 08 23 06

Potassium EPA 200 7 1 75 1 mg L N L 08 24 06

Selenium EPA 200 8 A 0 00145 0 0005 mglL 0 05 0824 06

Sliver EPA 200 8 A NO 0 0001 mg L 0 1 08 24 06

Sodium EPA 200 7 A 135 10 mg L N L 08 24 06

Specific Conductance SM 2510B A 654 1 mhos cm N L 08 23 06

Sulfate EPA 300 0 A 9 32 0 5 mg L 40 08 23 06

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INotes MRL Minimum Reporting Limit ND Not Detected at the MRl N L No limit

TM Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028

The current Arsenic limit forpublic water systems is 0 05 mglL All public water systems must comply by Ian2006 to the new Arsenic limitof 0010 mglL

I Please Note Ifthe test results indicate aneed for water treatmentorconditioning additional testing may be required5

NRC Page 7 of 20

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Analysis Report O A

Neilson Research Corporation245 South Grape Street Medford Oregon 97501 541 770 5678 Fax 541 770 2901

I

Cascade Earth Science

225 S Holly St

Medford OR 97501

Lab Order 0608617

NRC Sample ID 060861703A

Collection Date 08 2206 5 50 00PM

Received Date 08 23 068 47 00 AM

Reported Date 0829 06 9 29 52 AM

I

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2624019 BG002 Helman SpringsClientSample ill HS Seep 3

Collectors Name RC

Sample Location HS Seep 3

Source Helman Springs

ISample In ormariol

I

ITOP 30 ANALYSISTM

NELAC DateI Analyses Method Accredited Result Qual MRL Units EPA Limit AnalyzedThallium EPA 200 8 A ND 0 0005 mg L 0 002 08 24 06Zinc EPA 200 7 A ND 0 05 mg L 5 0 08 24 06

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INotes MRL Minimum Reporting Limit NO Not Detected at theMRL N L No Limit

Top 30 is a registered trade mark of Neilson Research Corporation Oregon Accredited Laboratory ORELAP 100016 OR028The current Arsenic limit forpublic watersystems is 0 05 mglL All public watersystems must comply by Jan 2006 to the new Arsenic limitofa OIO mglL

Please Note Ifthe test results indicate a need for water treatment orconditioning additional testing may be required6 I

NRC Page 8 of 20

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Neilson Research Corporation

DATA FLAGS

B Analyte detected in the associated Method BlankC Sample s does not meet NELAC ORELAP sample acceptance criteria See Case Narrative

CU Cleanup performed prior to analysis either H2SOJSilica Gel or Florosil01 The diesel elution pattern for the sample is not typical02 The sample appears to be a heavier hydrocarbon range than diesel

03 The sample appears to be a lighter hydrocarbon rang than diesel

D4 Detected hydrocarbons do not have pattem and range consistent with typical petroleum productsand may be due to biogenic interference

05 Detected hydrocarbons in the diesel range appear to be weathered diesel

E Estimated valueER Elevated reporting limit due to matrix

G1 The gasoline elution pattern for the sample is not typicalG2 The sample appears to be a heavier hydrocarbon range than gasolineG3 The sample appears to be a lighter hydroCarbon range than gasolineG4 Detected hydrocarbons in the gasoline range appear to be weathered gasoline

HP Sample re analysis performed outside of method specified holding time

HR Sample received outside of method specified holding timeHS Sample analyzed for volatile organics contained headspace

HT At the client s request the sample was analyzed outside of method specified holding time

H Analysis performed outside of method specified holding timeJ Analyte detected below the Minimum Reporting Limit MRL and above the Method Detection

Limit MOLMI Surrogate or Matrix Spike recovery is out of control limits due to matrix interference

N See Case NarrativeNI Some QA criteria may be outside control limits Insufficient sample remains for reanalysis

R RPD outside accepted recovery limitsR1 Analyses are not controlled on RPD values from sample concentration less than 10 times the

reporting limitR2 Analyses are not controlled on RPD values from samples concentrations less than 5 times the

reporting limitR3 The RPD and or recovery for the OUP or QC spike sample cannot be accurately calculated

due to the high concentration ofanalyte already present In the sampleR4 Duplicate analysis failed due to result being at or near method reporting limit

RPD Relative percent difference

Reporting Limits Report limits MDLs MRLs are adjusted based on variatiqns in sample preparationamounts analytical dilutions and percent solids where applicable

S

81Spike recovery outside accepted recovery limits

Surrogate or Matrix Spike recovery is outside of control limits due to dilution necessary for

analysisSub contracted to another laboratory for analysisToxicity Characteristic Leaching Procedure Sample submitted contained 0 5 solids

The motor oil elution pattern for the sample is not typicalThe sample appears to be a heavier hydrocarbon range than motor oil

The sample appears to be a lighter hydrocarbon range than motor oil

Value exceeds Maximum Contaminant Level

Value Exceeds Regulatory Leve RC Page 9 of 20

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