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Passive Samplers for PPM-level Organic Vapors
Passive Sampler Downloads
A diffusion barrier maintains sample uptake by molecular diffusion independent of wind velocity. The sorbent is chosen to best collectthe chemical hazards of interest.
SKC Passive SamplersSKC passive samplers are small samplers that collect organic vapors without the use of a pump. Individual chemicals simply diffusefrom the atmosphere into the sampler at a fixed rate. SKC has scientifically validated the sampling rate of the 575 Series passivesamplers along with other critical sampling parameters to meet OSHA/ASTM/ANSI requirements. SKC 575 Series Passive Samplersare identified as a viable alternative to active sampling in seven OSHA methods.
Highly accurate and reliableProven performers in the laboratory and in the field
Save time and moneyCollect most compounds with one sampler for up to a full 8-hour workshift eliminating multiple trips to the worksiteOne sampler + one analysis = money savedEconomical solvent desorption and GC analysis
Variety of samplers availableOnly SKC offers a choice of sorbents to better target specific contaminantsProper sorbent selection means no reverse diffusion
Superior collection efficiency
SKC sorbents have a larger surface area for higher capacitiesSamplers contain >300 mg of sorbent — much more than other brands
Sampling flexibilityValidated for short-term and 8-hour samplingSuitable for 24-hour indoor air sampling for some compounds
Proven resultsExtensively tested and documentedResearch reports for 20 compounds available
So easy to use!No pump or training required
Meet ASTM D6246-08 and ANSI/ISEA 104-1998(r 2009) standards
Identified as viable alternative to active sampling in seven OSHA methods
Full-shift Sampling with only ONE sampler
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SKC 575 Series Passive Samplers are validated for a full 8 hours, that's TWICE the limit value! This assures the integrity of the sampler,so you only need ONE sampler to get a true 8-hour TWA!
Using an SKC Passive Sampler is as easy as 1, 2, 3.
1. Remove sampler from pouch.
2. Record start time, remove cap, and attach to a worker or at a location.
3. Stop sampling by replacing cap and record stop time. Send the sampler to an accredited laboratory for analysis.
575 Series Passive Samplers Validated to NIOSH Protocol 1
For compliance sampling, it is recommended that only passive samplers with full or bi-level validation be used. Passive samplers withlower levels of validation may be used only if verified by validated sorbent sample tube methods.
Validation
Passive sampling is quite different from active sampling with sorbent tubes. With this fact in mind, NIOSH established validationprotocols for evaluating the performance of passive samplers. 1 Protocol validation was developed so that manufacturers could produce
passive samplers that reliably assess airborne levels.
Validation Levels
FullPassive monitor has passed all NIOSH protocol validation requirements for sampling rate, desorption efficiency, humidity effects,reverse diffusion, storage stability test for reactive compounds whose stability is suspect, and a factorial study that includesinterfering compounds. This is the most rigorous test possible and includes all parameters that can affect sampling accuracy(formerly referred to as Level 5).
Bi-LevelA key member of an homologous series has passed full validation and all other members have passed partial. The validity of this
has been shown by Guild et al. 2 (formerly referred to as Level 5B).
PartialPassive monitor has passed NIOSH protocol requirements for sampling rate, desorption efficiency, humidity effects, reversediffusion, and storage stability test for reactive compounds. Partial validations are not recommended for compliance sampling.
CalculatedUptake rate that is calculated from the physical properties of the analyte and geometry of the sampler. Calculated rates are notbased upon direct laboratory testing of the analyte with the sampler. Calculated validations are not recommended for compliancesampling.
About OSHA TestingAfter extensive testing on the sampling rate variations among diffusive samplers, OSHA has released the following methods that specifydiffusive (passive) samplers including SKC Cat. No. 575-002:
Toluene — Method 111 (1998) Tetrachloroethylene and Trichloroethylene — Method 1001 (1999) Xylenes and Ethylbenzene — Method 1002 (1999) 2-Butanone (MEK) and Hexone (MIBK) — Method 1004 (2000) Benzene — Method 1005 (2002) Butyl acetates — Method 1009 (2007)Styrene — Method 1014 (2009)
OSHA continues its work on passive method development based on the premise that diffusive samplers are a viable alternative totube/pump sampling.
Transferable Sorbent Passive SamplerSKC introduces a 575 Series passive sampler option. The new 579 Series passive samplers are designed to allow sorbent to betransferred from the sampler housing into a standard laboratory vial for solvent extraction and analysis. This design provides conveniencefor laboratories using gas chromatographs with auto samplers.
575 Passive Sampler Ordering Information
575 Series Passive Samplers include single-section sorbent tubes for desorption efficiency studies.
Complete instructions are included with each sampler package
DescriptionSorbent (Amount)
Qty. Cat. No.
Passive Sampler for Organic VaporCharcoal (350 mg)
5 575-001
25 575-001A
100 575-001B
500 575-001C
Passive Sampler for Organic VaporAnasorb® 747
(500 mg)
5 575-002
25 575-002A
100 575-002B
500 575-002C
Passive Sampler for Organic Vapor Anasorb® 727(300 mg)
5 575-003
Passive Sampler for StyreneAnasorb 747 coated with
tert-butyl catechol(500 mg)
5 575-006
SKC Passive Sampler for Ethylene Oxide
Uses same sorbent as active OSHA Method 1010Fully validated and documented performance 8-hour and 15-minute sampling Small. lightweight, and easy to use — no pump requiredIdeal for hospitals, veterinary clinics, and sterile instrument manufacturers
DescriptionSorbent (Amount)
Qty. Cat. No.
Passive Sampler for Ethylene OxideAnasorb 747 coated with hydrobromic acid
(500 mg)
5 575-005
25 575-005A
100 575-005C
See the Passive Sampling Guide for sampling rates.
Passive Sampling Guide
575 Series Passive Samplers for Organic Vapors Operating Instructions (PDF)
575 Series Passive Sampler Analysis Instructions (PDF)
575-006 Passive Sampler for Styrene Operating Instructions (PDF)
575-006 Passive Sampler for Styrene Operating Instructions (PDF)
Passive Sampler Research Reports
Long-term Indoor/Ambient Air Validation Report
Passive Samplers Meet CEN 838 Diffusive Sampler Evaluation Protocols
List of Laboratories for Analyzing 575 Passive Samplers
Monitor Pasivo para Vapores Orgánicos Español Folleto
575 Series Passive Samplers Specified in OSHA Diffusive MethodsOSHA specifies SKC 575 Series diffusive (passive) samplers as a viable alternative to active sampling in six OSHA diffusive methods.OSHA continues its work on diffusive method development.
OSHA Method 111 for Toluene
OSHA Method 1001 for Tetrachloroethylene and Trichlorethylene
OSHA Method 1002 for Xylenes and Ethylbenzene
OSHA Method 1004 for 2-Butanone (MEK) and Hexone (MIBK)
OSHA Method 1005 for Benzene
OSHA Method 1009 for Butyl Acetates
OSHA Method 1014 for Styrene
For a listing of laboratories in the U.S. and Canada that analyze Passive Samplers, see the 575 Series Passive Samplers AnalyticalLaboratories Reference List.
Custom Passive Samplers AvailableFor specific applications, SKC will manufacture samplers to meet your specific requirements. Download the Custom Passive SamplerOrder Form in PDF format. Complete the form and fax it to your SKC representative, contact your SKC representative, or call the SKCSales Department at 724-941-9701 for more information.
Custom Passive Sampler Order Form (PDF)
References
1.Cassinelli, M.E., Hull, R.D., Crable, J.V. and Teass, A.W., "Diffusive Sampling: An Alternative to Workplace Air Monitoring," A.Berlin, R.H. Brown and K.J. Saunders (Royal Society of Chemistry, London) (eds.), NIOSH Protocol for the Evaluation ofPassive Monitors, 1987, pp 190-202.
2.Guild, L.V., Myrmel, K.H., Myers, G. and Dietrich, D.F., "Bi-Level Passive Monitor Validation: A Reliable Way of AssuringSampling Accuracy for a Larger Number of Related Chemical Hazards" Appl. Occup. Environ. Hyg., Vol 7, No. 5, May 1992, pp.310-317. Reprints available from SKC! Email your mailing address to SKC Inc at [email protected].
This page was last modified February 6, 2013
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