Ultra II Passive Samplers 590-259 Operating Instructions 40061
Contents
1. com Preparation and Sampling Open resealable pouch and remove sampler Write start time and sample ID number on pouch label In a clean organic solvent free environment remove plug from vial adapter on back of sampler housing side without holes Remove cap from sorbent vial Hold housing vial adapter down over the open end of the vial Screw open end of vial into the adapter see inset 3A Rotate assembly until sorbent is draining from vial to sampler Tap vial lightly before removing from adapter Replace plug on adapter Sorbent Vial Vial Adapter Remove cover from face of sampler housing side with holes immediately before sampling Store cover for reuse Clip sampler in the area to be sampled Ensure diffusion holes are not covered After desired sampling period unclip sampler and seal with cover write stop time on pouch label Inaclean organic solvent free environment care fully remove plug from vial adapter on back of sampler housing Screw open end of sorbent vial into adapter see inset 7A Rotate assembly until sorbent is draining from sampler to vial Tap sampler lightly Ensure all sorbent is recovered in the vial Screw cap onto vial Mark sample vial as appropriate and insert into the pouch Carefully package sample vial and a blank sorbent vial Send to a laboratory for analysis Factors for Determining Application and Storage Prior to purchasing Ultra II Samp2. 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 Il Passive Samplers for Thermal Desorption Introduction SKC Ultra II Passive diffusive Samplers provide reliable sampling and highly sensitive detection of ppt and low ppb level volatile organic compounds VOCs through thermal desorption and GC analysis Ultra II Samplers are packaged as empty sampler housings that the user fills with cleaned purged sorbent provided in glass vials with PTFE lined caps This method of packaging maintains low sorbent background and allows for reuse of the sorbent with care in handling Vial containing purged sorbent sold separately Front View Back View of Housing of Housing Specifications for Ultra II Dimensions 1 4 in 3 5 cm dia x 2 5 in 6 3 cm x 0 6 in 1 5 cm Sorbents Tenax TA Chromosorb 106 Anasorb GCB1 or Carbopack X Sorbent is sold separately and supplied in glass vials with PTFE lined caps Select the sorbent appropriate for the target compound Analysis Thermal desorption using a 0 25 in OD 0 194 in ID x 3 5 in L thermal desorption tube Perkin Elmer and gas chro matography GC Shelf life Sorbent must be used or repurged 30 days from date of manu facture Store at lt 39 2 F 4 C Sampling Rates Go to www skcinc com and click on Sampling Guides Select Passive Diffusive Sampling Guide www skcinc
3. lers evaluate specific compounds of interest and expected levels A factor that should be considered is the sorbent Polymetric sorbents such as Tenax TA can increase in background during storage Refrigerated storage can reduce but not eliminate off gassing Storage Before Sampling Up to 30 days at lt 39 2 F 4 C ina clean organic solvent free environment After Sampling 21 days at lt 39 2 F 4 C ina clean organic solvent free environment Analysis 1 Remove cap from vial pour sorbent from vial into a 0 25 inch OD 0 194 inch ID x 3 5 inch L thermal desorption tube and thermally desorb the sample The Transfer Funnel accessory can facilitate the pouring process see Ordering 2 Analyze samples using a gas chromatograph GC with the detector specified in the method for the target compound The thermal desorption process automatically purges the sorbent so that it is ready for reuse If desired employ additional in house purging procedures Validation Ultra I Passive Samplers were evaluated by the U S Military OSHA Techni cal Center Salt Lake Swedish researchers and SKC R amp D Laboratories Samplers with 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 3 Ultra Passive Samplers use the same sorbents and analysis as specified in
4. ng 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 Air presented at AirMon 02 Lillehammer Norway 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 7 SKC Update to EPA Method TO 17 available at www skcinc com Ordering Description Catalog No Ultra II Sampler empty housing only packaged in reusable pouch requires sorbent in vial listed below 590 259 Sorbent in Vial with PTFE lined Cap Catalog No Select the sorbent appropriate for the target compound Tenax TA Sorbent 265 mg 590 260 Chromosorb 106 Sorbent 285 mg 590 261 o0 Anasorb GCB1 Sorbent 370 mg 590 262 Carbopack X Sorbent 500 mg 590 265 Use within 30 days or repurge to ensure low background storage at lt 39 2 F 4 C recommended Comparable to Carbopack B coSee Reference 3 for additional information on Chromosorb 106 sampling rates Analysis Accessories Catalog No Transfer Funnel aluminum facilitates transfer of sorbent from vial to 0 25 inch OD thermal desorption tubes 590 264 Thermal Desorption Tube Perkin Elmer includes screens and end caps P226530 SKC Limited Warranty and Return Policy SKC products are subject to the SKC Limited Warranty and Return Policy which p
5. rovides 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 40061 Rev 1005
6. the active method EPA TO 17 Ultra samplers provide comparable low limits of detection in the low ppb to ppt concentration range for some chemicals while offering the benefits of economy and convenience t Uptake rates for 1 3 butadiene were found to decline over a one week period Ultra I Samplers were used in these studies However Ultra II Samplers utilize the same housing and sorbents The difference is sorbent storage Ultra II sorbent is stored in glass vials instead of the housing before and after sampling to ensure low sorbent background References 1 Hendricks W D et al Feasibility of Diffusive Sampling to Monitor U S Military Personnel for Exposure to Toxic Chemical Substances 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 Chromo sorb 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 Measuri
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