Ultra Passive Samplers 590-100 Operating Instructions 40074 PDF
Contents
1. ina clean organic solvent free environment Analysis 1 Remove sampler from resealable pouch and lay flat with capped aluminum cone facing upward 2 Slowly remove back plate Rotate plate a couple of revolutions to help loosen seal before attempting to remove it Caution Avoid popping off back plate and keep sampler level to prevent sorbent spillage 3 Place a thermal desorption tube over the opening of the cone Ensure that the end of the tube facing upward contains a stainless steel screen and glass wool separator to hold sorbent in place 4 Transfer sampler sorbent to tube by tipping sampler upside down while holding tube in place Gently tap cone to remove any remaining sorbent 5 Remove sampler from tube and place a stainless steel screen and glass wool separator in the other end of the tube 6 Seal tube with PTFE caps or Swagelok fittings The tube is ready for thermal desorption 7 Analyze using a gas chromatograph GC with the detector specified in the method for the compound of interest Thermal desorption tubes must be 0 25 inch O D 0 194 inch I D and a minimum length of 3 5 inches Perkin Elmer Thermal Desorber Thermal desorption tube blanks that meet these specifications are available from SKC Cat No P226350 Validation Ultra I Passive Samplers were evaluated by the U S Military OSHA Technical Center Salt Lake Swedish researchers and SKC R amp D Laboratories Samplers with2. Operating Instructions 863 Valley View Road Eighty Four PA 15330 USA Tel 724 941 9701 Fax 724 941 1369 e mail skctech skcinc com Ultra Passive Samplers Introduction SKC Ultra I Passive diffusive Samplers are small badges prefilled with cleaned purged sorbent for the reliable sampling and highly sensitive detection of low ppb level volatile organic compounds VOCs using thermal desorption for analysis Collar Clip Collar Clip Back Plate Bar Code Diffusion Barrier JEAN Aluminum Cone HN Cover lock and Cover Front View Back View Specifications for Ultra Sorbent Tenax TA Chromosorb 106 Anasorb GCB1 or Carbopack X Diameter 1 4 in 3 5 cm Length including clip 2 5 in 6 3 cm Depth 0 6 in 1 5 cm Analysis Thermal desorption gas chromatography GC Shelf life 30 days from date of manufacture Storage at lt 39 2 F 4 C is recommended Sampling Rates Goto www skcinc com click on Sampling Guides and select Passive Diffusive Sampling Guide www skcinc com Sampling Open aluminized resealable pouch and remove sampler y W EZ Write start time and date on label on the reseal able pouch The barcode on the sampler matches the barcode on the pouch label Remove cover lock and cover from face of sampler i e side containing diffusion holes Do NOT remove back plate that covers aluminum cone Place cover lock and cover in re
3. sealable pouch for use at end of sampling Clip sampler to a worker s collar near the breathing zone The small diffusion holes must face outward After desired sampling period unclip sampler from worker s collar and seal sampler with cover and cover lock O write stop time on label on the pouch Ensure barcode on the sampler matches the barcode on the pouch label Place sealed sampler into the resealable pouch Carefully package sampler and send to a laboratory for analysis Factors for Determining Application and Storage Prior to purchasing Ultra I Samplers evaluate specific compounds of interest and expected levels Factors that should be considered include e The sampler housing Small quantities of VOCs may off gas from the housing over time which may be a problem for ppt level applications e The sorbent Polymeric sorbents such as Tenax TA can increase in back ground during storage Remedies may include e Storing in refrigerator to reduce off gassing e Transferring sorbent from the badge to a thermal desorption tube purging the sorbent and reloading it into the badge prior to use e Selecting the Ultra II Passive Sampler which is filled by the user with purged sorbent just prior to sampling Sorbent is provided in glass vials with PTFE lined caps Storage Before Sampling Up to 30 days at lt 39 2 F 4 C in a clean organic solvent free environment After Sampling 21 days at lt 39 2 F 4 C
4. specific sorbents were found to be suitable for 8 hour workshift sampling 24 hour indoor air studies targeting medium to high boiling point compounds and for 24 hour or 7 day sampling of benzene and 1 3 butadiene t Uptake rates for 1 3 butadiene were found to decline over a one week period References 1 Hendricks W D et al Feasibility of Diffusive Sampling to Monitor U S Military Personnel for Exposure to Toxic Chemical Substances U S Dept of Labor OSHA SLTC Salt Lake City UT 2002 2 Hendricks W The Marines Project A Laboratory Study of Diffusive Sampling Thermal Desorption Mass Spectrometry Techniques for Monitoring Personal Exposure to Toxic Industrial Chemicals Industrial Hygiene Division OSHA SLTC Salt Lake City UT Apr 2002 3 Hendricks W Performance of SKC Ultra Passive Samplers Containing Carboxen 1016 Carbotrap Z or Chromosorb 106 When Challenged With a Mixture Containing Twenty of OSHA SLTC s Top Solvent Analytes Methods Development Team Industrial Hygiene Chemistry Division OSHA SLTC Salt Lake City UT Feb 2003 www osha gov search on Ultra 4 Strandberg B et al Evaluation of Two Types of Diffusive Samplers and Adsorbents for Measuring 1 3 butadiene and Benzene in Air Atm Environ Vol 39 July 2005 pp 4104 4110 5 Coyne L et al Using Diffusive Samplers for Monitoring for Ppb Levels of Volatile Organic Compounds in Indoor Atr presented at AirMon 02 Lillehammer Nor
5. way Feb 2002 6 Coyne L et al Using Diffusive Samplers for Monitoring for Ppb Levels of Volatile Organic Compounds in Air presented at AlHce 2002 San Diego CA June 2002 Ordering Ultra Passive Samplers Cat No Qty Tenax TA 265 mg 590 100 5 Chromosorb 106 285 mg 590 200 5 Anasorb GCB1 370 mg 590 102 5 Carbopack X 500 mg 590 103 5 Use within 30 days storage at lt 39 2 F 4 C recommended Comparable to Carbopack B co See Reference 3 for additional information on sampling rates for Chromosorb 106 Analysis Accessory Thermal Desorption Tube Perkin Elmer 0 25 x 3 5 inch includes screens and end caps P226530 ea SKC Limited Warranty and Return Policy SKC products are subject to the SKC Limited Warranty and Return Policy which provides SKC s sole liability and the buyer s exclusive remedy To view the com plete SKC Limited Warranty and Return Policy go to http www skcinc com watranty asp Form 40074 Rev 1005
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