SPOTLIGHT ON THE LELAND LEGACY ® PUMP FROM THE LELAND LEGACY PUMP Provides answers to particulate...
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Transcript of SPOTLIGHT ON THE LELAND LEGACY ® PUMP FROM THE LELAND LEGACY PUMP Provides answers to particulate...
![Page 1: SPOTLIGHT ON THE LELAND LEGACY ® PUMP FROM THE LELAND LEGACY PUMP Provides answers to particulate sampling problems. High flow rates + 24-hr run times.](https://reader036.fdocuments.us/reader036/viewer/2022070308/551c04a8550346ad4f8b4de2/html5/thumbnails/1.jpg)
SPOTLIGHT ON THE LELAND LEGACY® PUMP
FROM
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THE LELAND LEGACY PUMP
Provides answers to particulate
sampling problems.
High flow rates
+ 24-hr run times • More contaminant mass
• Increased sensitivity• Meaningful data
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U.S. EPA REGULATIONSFOR PARTICULATE MATTER
Regulations for total
suspendend particulate
(TSP) have been
replaced with standards
for PM10 and PM2.5.
PM10-referred to as coarse particulate matter
PM2.5-referred to
as fine particulate matter
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PUBLIC HEALTH CONCERNS FROM FINE PM
Increase in respiratory symptoms and related hospital visits for illnesses Asthma and chronic
bronchitis
Premature death
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THE NATIONAL ACADEMY OF SCIENCE
Issued a mandate to the EPA to begin monitoring microenvironments (personal exposures)
of PM to obtain better epidemiological data of the actual health effects.
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WHY SAMPLE MICROENVIRONMENTS?
Traditional stationary ambient PM monitors are poor estimators of the actual exposures to susceptible subpopulations.
Traditional stationary ambient PM monitors do not permit researchers to assess the health effects of PM on vulnerable individuals.
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UNIQUE CHALLENGES SAMPLING PM INDOORS
Enhanced sensitivity is required since mass concentrations are low.
Small, quiet samplers are required for sampling individuals in microenvironments.
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THE MICKEY LELAND NATIONAL URBAN AIR TOXICS
RESEARCH CENTER
Recognized the need for technology to address PM concerns indoors
Funded the development of a sampling pump and a personal impactor
SKC received the grant for the sampling pump!
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LELAND LEGACY SAMPLING PUMP
HIGH FLOWS
Up to 15 L/min LONG RUNS
Up to 24 hours FOR LOW LEVELS
In indoor or ambient air
SKC Cat. No. 100-3002
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LELAND LEGACYPERFORMANCE PROFILE
24 hour run time with impactors and similar samplers for PM sampling
17 hour run time at 5 L/min with 25-mm, 0.8 µm MCE asbestos cassette
Alternative AC operation Flow accuracy ± 3% of set-point after
calibration Flow fault with auto restart Rechargeable li-ion battery
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LELAND LEGACYPERFORMANCE PROFILE
Pump serial number Flow rate Air volume Temperature Atm. pressure Time of day Run time
Display Options
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LELAND LEGACYPERFORMANCE PROFILE
Noise levels55 db in noise reducing pouch at 10 L/min and 12 inches H20
RuggednessImpact, dust, and water resistant
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LELAND LEGACY PERFORMANCE PROFILE
High-power lithium-ion battery pack Patented* internal flow sensor Automatically compensates for changes in temp. and
atm. pressure 3-button manual operation PC programmable using SKC DataTrac® software History downloadable
* U.S. Patent No. 5,892,160
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LELAND LEGACY PUMP FEATURES
Rubber “boot” molded onto the case for impact resistance
Keyboard and LCD window are water resistant.
Optional pump pouch with sound reducing material reduces sound to 55 db at 10 L/min.
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APPLICATIONS FOR EXPOSURE ASSESSMENTS
USING THE LELAND LEGACY SAMPLING PUMP
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PM IN INDOOR AIRUSING THE SIOUTAS IMPACTOR
Developed by researchers at the University of S. California to collect data on the relationship between outdoor and indoor PM levels and to assess personal exposures.
Allows for measurement of mass, particle size, and chemical composition.
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SIOUTAS PERSONAL CASCADE IMPACTOR
Four impaction stages
and after-filter: 2.5-10 µm 1.0-2.5 µm 0.5-1.0 µm 0.25-0.5 µm <0.25 µm
SKC Cat. No. 225-370
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ENVIRONMENTAL TECHNOLOGY VERIFICATION
U.S. EPA Environmental Technology Verification (EPA-ETV) is a program designed to accelerate acceptance of new, improved technologies through performance verification.
The SKC Leland Legacy Pump with the Sioutas Impactor received EPA-ETV verification.
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SAMPLE ANALYSISSIOUTAS IMPACTOR
TOTAL MASS
Gravimetric analysis
CHEMICAL SPECIES
See EPA IO-3 for a variety of methods including AA, XRF, ICP, proton induced X-ray emission spectroscopy, and neutron activation.
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PM IN INDOOR AIRSINGLE-STAGE IMPACTORS
Method IP-10A in the U.S. EPA Compendium of Methods for Indoor Air specifies the use of a personal single stage impactor for particulates.
The method describes the Personal Environmental Monitor (PEM) available from SKC.
The PEM has various models for collection of PM10 or PM2.5 at 2, 4, or 10 L/min.
SKC 761-SERIES
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LELAND LEGACY PUMP WITH THE PEM
The PEM designed for PM10 or PM2.5 at 10 L/min can be partnered with the Leland Legacy pump to enhance the amount of contaminant mass collected.
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PM MEASUREMENTSUSING THE IMPACT SAMPLER
The Leland Legacy pump can be also be partnered with the SKC IMPACT single-stage inertial impactor for collection of PM10 or PM2.5 at 10 L/min.
The IMPACT Sampler offers the advantage of pre-oiled impaction substrates. SKC Cat. Nos.
225-390 and 225-392
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DPS SYSTEMWITH THE LELAND LEGACY PUMP
The Leland Legacy
pump and the IMPACT
Sampler have been
incorporated into the
Deployable Particulate
Sampler System for
PM10 or PM2.5.
SKC Cat. No. 100-3901/2
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DPS SYSTEMWITH THE LELAND LEGACY PUMP
The DPS System
has been widely used
by the U.S. Dept of
Defense for measuring
PM exposures of
deployed soldiers from
sand storms, but also has an application for
indoor air.
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PESTICIDES AND PCBs IN INDOOR AIR
USING SORBENT CARTRIDGES WITH PUF ASTM D4861-94a
specifies a flow rate from 1-5 L/min from 4 to 24 hours
Partnering PUF sorbent cartridges with the Leland Legacy pump at 5 L/min for 24 hours can greatly improve sensitivity.
SKC Cat. No. 226-92
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LELAND LEGACYHIGH TECH OPTIONS
DATATRAC SOFTWARE CALCHEK® CAPABLE
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LELAND LEGACY PUMP PROGRAMMABILITY
Keyboard control, Real-time data display Start and stop date and
time Total sample time Flow rate and air volume Temperature and atm.
pressure Battery status
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LELAND LEGACY PUMP PROGRAMMABILITY
Optional SKC
DataTrac software
provides the ultimate
flexibility in
scheduling
and record keeping
capabilities.
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SKC DATATRAC SOFTWAREREAL-TIME SAMPLE SETUP
View, Set, or Reset: Hold/run status Accumulated run time
and air volume Temperature and atm.
pressure Flow correction factors
based on external calibration
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SKC DATATRAC SOFTWARESAMPLE SETUP WINDOW
Record: Sample
identification Method/media Calibration data Environmental
conditions Analysis results
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SKC DATATRAC SOFTWAREPUMP SCHEDULER WINDOW
Program: Sampling
intervals Start/stop date,
time, and flow rates
Create a sampling schedule
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SKC DATATRAC SOFTWARESAMPLE HISTORY WINDOW
Record, View, Save, or Print: Run times Flow rates Air volumes Changes in operational status
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LELAND LEGACY WITH SKC CALCHEK
This SKC patented† feature allows the Leland Legacy pump and Defender primary flow calibrator to communicate directly.
When connected, the pump adjusts the flow until the displayed values of both agree.
Fast, easy, and accurate with no manual adjustments.
† U.S. Patent No. 6,227,031 and 6,363,769
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RACE TO SKC FOR THE LELAND LEGACY
PUMP
www.skcinc.com