GROUNDWATER SAMPLING & ANALYSIS AT · 2.0 ON-SITE METHODOLOGY 2.1 Sampling Locations 2.2...
Transcript of GROUNDWATER SAMPLING & ANALYSIS AT · 2.0 ON-SITE METHODOLOGY 2.1 Sampling Locations 2.2...
For the Attention of:
Office of Environmental Enforcement
EPA
PO Box 3000
Johnstown Castle Estate
Co. Wexford
Report No: Ground Water Q4 2016
Date: November 2016
GROUNDWATER SAMPLING &
ANALYSIS AT
BORD NA MONA PLC
COMPOST FACILITY
KILBERRY, CO. KILDARE.
Q4 - 2016
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TABLE OF CONTENTS
1.0 INTRODUCTION
2.0 ON-SITE METHODOLOGY
2.1 Sampling Locations
2.2 Representative Groundwater Sampling
2.3 Analysis of Groundwater Samples
3.0 ACCREDITED QUALITY SYSTEM
3.1 INAB Accreditation
3.2 Interlaboratory Proficiency Schemes
3.3 EPA Quality Control Register
3.4 Quality Control Audits
3.5 Control Chain of Custody
4.0 RESULTS
5.0 COMMENTS
5.1 Groundwater Samples
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1.0 INTRODUCTION
Bord na Mona Plc Kilberry Compost facility undertook groundwater sampling
and analysis of five boreholes within their facility at Kilberry, County Kildare
as per requirements of waste licence W0198-01.
This report details the methodology and results of the annual groundwater
sampling event undertaken at the compost facility on the 16th of November
2016.
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2.0 ON-SITE METHODOLOGY
2.1 Sampling Locations
The location of the groundwater monitoring boreholes is given below in Table
2.1.
TABLE 2.1: BOREHOLE LOCATIONS
Location Easting Northing
MW 1 266,381 199,992
MW 2 266,265 200,113
MW 3 266,493 200,077
MW 4 266,463 199,891
MW 5 266,612 199,890
2.2 Representative Groundwater Sampling
2.2.1 Borehole Sampling
Groundwater in the well casing and in close proximity to the well is not
considered representative of the general groundwater at a given location. In
order to ensure groundwater samples extracted from the monitoring wells were
representative of the groundwater held in the subsurface strata and not water held
stagnant in the casing, it was necessary to evacuate the monitoring wells prior to
sampling.
A common procedure is to pump the well until between 2 and 5 bore volumes
have been removed (Marsh and Lloyd 1980 and Boating 1987). The purged
volumes were calculated on-site from the measured static water levels (measured
using an electronic well dipper) and the total depth of the well.
Samples were taken in 1 litre polypropylene containers (inorganics), PTFE
conditiond capped glass bottles (organic) and sterile bottles (Bacteriological) and
returned to the laboratory for immediate analysis. Sampling was in strict
accordance with recognised standard procedures.
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2.3 Analysis of Groundwater Samples
All samples returned to the laboratory were stored at 5°C. Subsequent
analysis of all samples was carried out in strict accordance with recognised
standard methods. Table 2.2 below outlines the methods used.
Table 2.2: Groundwater Analysis Details
Parameter Method of Analysis
pH G/05: Based on APHA,1998, 20TH Edition, Method 4500 H+B.
Conductivity Based on APHA,1998, 20TH Edition, Method 2510B. (G/06)
Ammonia G/67 Konelab colourimetric analysis
Chloride Konelab
Sulphate G/39: Based on APHA, 1998, 20TH Edition, Method 4110B.
Metals G57 Based on EPA Method 200.8
SVOC’c * GC-MS
Pesticides (OC suite)* GC-MS
E. Coli / Coliforms * Based on IDEXX’s patented Defined Substrate Technology
APHA American Public Health Association, Standard Methods for the Examination of Waters and
Waste Waters, 20th Edition, 1998
G/ INAB Accredited Method, Bord na Móna Environmental & Analytical Services Standard
Operating Procedures Manual * Subcontracted
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3.0 ACCREDITED QUALITY SYSTEM
3.1 INAB Accreditation
Bord na Móna Technical Services Analytical Laboratories were awarded
INAB accreditation by the National Accreditation Board (NAB) in 1997. It
has always been the policy of the laboratories to achieve and maintain a high
standard of quality consistent with client's requirements in all aspects of the
work carried out within the laboratory.
NAB as a member of the International Laboratory Accreditation Cooperation
(ILAC) and the European Co-operation for accreditation (EA) have adopted
ISO 17025 as the new standard for its laboratory accreditation programme
since January 2002.
This new standard contains all of the requirements that testing laboratories
have to meet if they wish to demonstrate that they operate a quality system, are
technically competent, and are able to generate technically valid results. ISO
17025 incorporates all those requirements of ISO 9000 that are relevant to the
scope of testing services that are covered by the laboratory's quality system.
Thus a laboratory that complies with ISO 17025 will therefore also operate in
accordance with ISO 9000.
Bord na Móna Technical Services Analytical Laboratory successfully
transferred to ISO 17025 on 16th of November 2001.
3.2 Interlaboratory Proficiency Schemes
To ensure the accuracy of the analytical testing Bord na Móna participate in
several external proficiency schemes. The ongoing competence of the
laboratory and its staff is assessed by participation in various inter-laboratory
proficiency testing schemes, such as Aquacheck and the EPA scheme
organised for environmental laboratories throughout Ireland.
3.3 EPA Quality Control Register
Bord na Móna Technical Services Analytical Laboratories performance in the
EPA intercalibration scheme has insured its listing on the EPA’s register of
Quality Controlled Laboratories. Both accredited and non-accredited test
methods are assessed by these schemes.
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3.4 Quality Control Audits
Bord na Móna Environmental Ltd. consistently strives to improve the quality
of the analytical work out in its laboratories. The laboratory has a full time
Quality Control Manager who assists in the organisation and execution of the
extensive programme of internal Quality Audits. These quality audits examine
all aspects of the laboratory’s Quality System, with particular focus on
auditing of test methods, and enable potential problems to be highlighted and
immediate corrective action to be taken.
3.5 Control Chain of Custody
As part of the Quality System in place in Bord na Móna, Environmental Ltd.,
measures are taken to ensure controlled chain of custody. An outline of the chain
of custody is given below.
CONTROLLED CHAIN OF CUSTODY
SITE TRANSPORT LABORATORY
Sampling and packaging
of all samples were
carried out by Bord na
Kilberry.
Transport
Document
Form
Transport to
laboratory by
Bord na Móna
Technical
Team.
Sample
Reception
Form
Receiving of samples at Bord na
Móna Environmental Laboratory
complex
(Secure laboratory complex
access to authorised personnel
only)
Storage of all samples for 1
month period after report issue.
Supervised Disposal
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4.0 RESULTS
Table 4.1 General Chemical Analysis
Parameter MW-01 MW-02 MW-03 MW-04 MW-05
pH 7.7 7.4 7.2 7.1 7.3
Conductivity uS/cm 530 628 860 1583 898
Ammonia as N mg/l 1.7 7.8 5.4 20 9
Chloride mg/l 24 20 21 26 20
Sulphate mg/l 11 19 9.2 0.7 <0.5
Magnesium mg/l 17.6 <0.02 8.22 43.7 6.4
Boron µg/l <135 <135 <135 <135 <135
Antimony µg/l 6.02 4.25 9.76 10.6 4.36
Arsenic µg/l 4.3 7.99 4.33 14.3 11
Aluminium µg/l <50 <50 <50 191 114
Berylium µg/l <1 <1 <1 <1 <1
Barium µg/l <0.5 380 <0.5 694 502
Chromium µg/l <3 <3 <3 <3 4.2
Cadmium µg/l <0.5 <0.5 <0.5 <0.5 <0.5
Cobalt µg/l <0.5 0.82 <0.5 139 2.71
Copper µg/l <4 <4 <4 4.84 <4
Iron mg/l 1.86 0.597 2.21 25.2 7.6
Potassium mg/l <2 2.33 2.25 39.5 12.8
Sodium mg/l 16.7 10.4 15.4 20.9 12.7
Calcium mg/l 71.6 107 167 267 193
Manganese µg/l <0.5 127 <0.5 839 247
Silver µg/l <2 <2 <2 <2 <2
Nickel µg/l <0.5 2.73 <0.5 42.2 23.9
Lead µg/l <0.5 <0.5 <0.5 1.31 0.836
Selenium µg/l 10.3 <1 10.3 2.87 <1
Tin µg/l <3 <3 <3 <3 <3
Zinc µg/l <3 6.67 <3 13.8 20.7
Mercury µg/l <0.02 <0.02 <0.02 <0.02 <0.02
.
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Table 4.2 – Pesticide Suite
Pesticides (g/l) MW-01 MW-02 MW-03 MW-04 MW-05
Dichlorvos <0.01 <0.01 <0.01 <0.01 <0.01
Mevinphos <0.01 <0.01 <0.01 <0.01 <0.01
Alpha - HCH <0.01 <0.01 <0.01 <0.01 <0.01
Diazinon <0.01 <0.01 <0.01 <0.01 <0.01
Gamma - HCH <0.01 <0.01 <0.01 <0.01 <0.01
Beta - HCH <0.01 <0.01 <0.01 <0.01 <0.01
Methyl Parathion <0.01 <0.01 <0.01 <0.01 <0.01
Malathion <0.01 <0.01 <0.01 <0.01 <0.01
Heptachlor <0.01 <0.01 <0.01 <0.01 <0.01
Heptachlor Epoxide <0.01 <0.01 <0.01 <0.01 <0.01
Aldrin <0.01 <0.01 <0.01 <0.01 <0.01
Fenitrothion <0.01 <0.01 <0.01 <0.01 <0.01
Heptachlor Epoxide <0.01 <0.01 <0.01 <0.01 <0.01
Endosulphan I <0.01 <0.01 <0.01 <0.01 <0.01
Parathion <0.01 <0.01 <0.01 <0.01 <0.01
p,p - DDE <0.01 <0.01 <0.01 <0.01 <0.01
o,p - DDE <0.01 <0.01 <0.01 <0.01 <0.01
Endosulphan II <0.01 <0.01 <0.01 <0.01 <0.01
Azinphos Methyl <0.01 <0.01 <0.01 <0.01 <0.01
Ethion <0.01 <0.01 <0.01 <0.01 <0.01
Endrin <0.01 <0.01 <0.01 <0.01 <0.01
Endosulfan Sulphate <0.01 <0.01 <0.01 <0.01 <0.01
p,p - DDT <0.01 <0.01 <0.01 <0.01 <0.01
o,p - DDT <0.01 <0.01 <0.01 <0.01 <0.01
p,p – TDE <0.01 <0.01 <0.01 <0.01 <0.01
o,p – TDE <0.01 <0.01 <0.01 <0.01 <0.01
Dieldrin <0.01 <0.01 <0.01 <0.01 <0.01
p,p - Methoxychlor <0.01 <0.01 <0.01 <0.01 <0.01
o,p - Methoxychlor <0.01 <0.01 <0.01 <0.01 <0.01
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Table 4.4 – SVOC Analysis
SVOC’s (g/l) MW-01 MW-02 MW-03 MW-04 MW-05
Phenol <1 <1 <1 <1 <1
2-Chlorophenol <1 <1 <1 <1 <1
2-Methylphenol <1 <1 <1 <1 <1
4-Methylphenol <1 <1 <1 <1 <1
2-Nitrophenol <1 <1 <1 <1 <1
4-Nitrophenol <1 <1 <1 <1 <1
2,4-Dichlorophenol <1 <1 <1 <1 <1
2,4-Dimethylphenol <1 <1 <1 <1 <1
4-Chloro-3-methylphenol <1 <1 <1 <1 <1
2,4,6-Trichlorophenol <1 <1 <1 <1 <1
2,4,5-Trichlorophenol <1 <1 <1 <1 <1
Pentachlorophenol <1 <1 <1 <1 <1
1,3-Dichlorobenzene <1 <1 <1 <1 <1
1,4-Dichlorobenzene <1 <1 <1 <1 <1
1,2-Dichlorobenzene <1 <1 <1 <1 <1
1,2,4-Trichlorobenzene <1 <1 <1 <1 <1
Nitrobenzene <1 <1 <1 <1 <1
Azobenzene <1 <1 <1 <1 <1
Hexachlorobenzene <1 <1 <1 <1 <1
Naphthalene <1 <1 <1 <1 <1
2-Methlyphenol <1 <1 <1 <1 <1
Acenaphthene <1 <1 <1 <1 <1
Flourene <1 <1 <1 <1 <1
Phenanthrene <1 <1 <1 <1 <1
Anthracene <1 <1 <1 <1 <1
Bis(2-Chloroethyl)ether <1 <1 <1 <1 <1
4-Bromophenylphenylether <1 <1 <1 <1 <1
4-Chlorophenylphenylether <1 <1 <1 <1 <1
Pyrene <1 <1 <1 <1 <1
Benzo(a)anthracene <1 <1 <1 <1 <1
Chrysene <1 <1 <1 <1 <1
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Table 4.4 Cont’d – SVOC Analysis
SVOC’s (g/l) MW-01 MW-02 MW-03 MW-04 MW-05
Benzo(a)pyrene <1 <1 <1 <1 <1
Indenol(1,2,3-cd)pyrene <1 <1 <1 <1 <1
Dibenzo(a,h)anthracene <1 <1 <1 <1 <1
Benzo(ghi)perylene <1 <1 <1 <1 <1
2-Chloronaphthalene <1 <1 <1 <1 <1
Carbazole <1 <1 <1 <1 <1
2-Methylnaphthalene <1 <1 <1 <1 <1
Isophorone <1 <1 <1 <1 <1
Dibenzofuran <1 <1 <1 <1 <1
Dimethyl phthalate <1 <1 <1 <1 <1
Diethyl phthalate <3 <3 <3 <3 <3
Bis(2-ethylhexyl)phthalate <1 <1 <1 <1 <1
Butylbenzylphthalate <1 <1 <1 <1 <1
4-Chloroaniline <1 <1 <1 <1 <1
2-Nitroaniline <1 <1 <1 <1 <1
3-Nitroaniline <1 <1 <1 <1 <1
4-Nitroaniline <1 <1 <1 <1 <1
Hexachloroethane <1 <1 <1 <1 <1
Hexachlorobutadiene <1 <1 <1 <1 <1
Hexachlorocyclopentadiene <1 <1 <1 <1 <1
Bis(2-chloroethoxy)methane <1 <1 <1 <1 <1
N-nitrosodi-n-propylamine <1 <1 <1 <1 <1
Table 4.5 Microbiological Analysis
Cfu/100mls MW-01 MW-02 MW-03 MW-04 MW-05
E.Coli <1 <1 <1 <1 <1
Total Coliforms <1 >100 <1 <1 8
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5.0 COMMENTS
Bord na Mona Plc Kilberry Compost facility undertook groundwater sampling
of four boreholes within their facility at Kilberry, County Kildare as per
requirements of waste licence W0198-01 on the 16th of November 2016 to
conduct the monitoring event. Five groundwater borehole well samples were
obtained. Samples were returned to the laboratory for subsequent analysis. The
results for the analysis are presented in Table 4.1.
5.1 Groundwater Samples
Borehole (MW 1)
Ammonia @ 1.7 mg/l is considered to be elevated, however this result shows a
similar trend to previous results. The remaining results show similar trends to
previous annual monitoring results. The SVOC and Pesticide suite results are all
below the limit of detection. No E.coli and Total coliforms were detected.
Borehole (MW 2)
Ammonia @ 7.8 mg/l is consistent with the results obtained for previous years
however it exceeds the trigger level of 7.66 mg/l for this well. Trends will be
assessed following the next round of sampling in Q1 2016. The Arsenic result
of 7.99 ug/l is in excess of the threshold value of 7.5 ug/l as detailed in SI 9 of
2010 however it is below the IGV value of 10 ug/l and similar to previous
years. The remaining results show similar trends to previous annual
monitoring results. The SVOC and Pesticide suite results are all below the limit
of detection. Low levels of Total coliforms were detected which again exceeded
the trigger level of 42 cfu/100mls, additional analysis will be carried out in Q1
2017 to assess this trend. No E.coli was detected.
Borehole (MW 3)
Ammonia @ 5.4 mg/l is consistent with the results obtained throughout 2016
and for previous years. The remaining results show similar trends to previous
annual monitoring results. The SVOC and Pesticide suite results are all below
the limit of detection. No E.coli and Total coliforms were detected.
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Borehole (MW 4)
Ammonia @ 20 mg/l is the same result as recorded in Q3 2016. The remaining
results show similar trends to previous annual monitoring results. The
aluminium concentration of 191 ug/l exceeds the threshold value of 150 ug/l in
SI 9 of 2010 but is below the IGV value of 200 ug/l. The Arsenic result of 14.3
ug/l is in excess of the threshold value of 7.5 ug/l as detailed in SI 9 of 2010
however this result is similar to previous years. The calcium concentration of
267 mg/l exceeds the IGV value of 200mg/l. This level is similar to previous
years. SVOC and Pesticide suite results are all below the limit of detection. No
E.coli and Total coliforms were detected.
Borehole (MW 5)
Ammonia @ 9 mg/l shows a slight increase when compared to the Q3 2016
result of 8.7 mg/l. The remaining results show similar trends to previous
annual monitoring results. The SVOC and Pesticide suite results are all below
the limit of detection. Low levels of Total coliforms were detected at 8
cfu/100mls, this result is well below the trigger level of 1929 cfu/100mls. No
E.Coli was detected.
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0
5
10
15
20
25
30
Co
nc
mg
/l
Date
Ammonia Concentrations GW
GW1
GW2
GW3
GW4
GW5
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