SKC OSHA / NIOSH Sampling Guide for methylene chloride (Dichloromethane)
| Chemical Information | ||
methylene chloride (Dichloromethane) 75-09-2 | GC-FID | Limit of quantitation: 0.22 ppm (0.77 mg/m3, 8-Hour TWA), 3.6 ppm (12 mg/m3, 15-Minute STEL) Reporting limit: 0.48 ppm (1.7 mg/m3, 8-Hour TWA), 7.7 ppm (27 mg/m3, 15-Minute STEL) |
| Sampling Parameters | |||
TWA 25 ppm (12.5 ppm action level) | 12 L | 50 ml/min | 4 hr |
SKC Sampling Equipment
Sorbent Tube, Anasorb 747, 2 Tubes, Tube A: 8 x 110-mm size, 1 section tube, 400 mg sorbent, 20/40 mesh; Tube B: 8 x 110-mm size, 1 section tube, 200 mg sorbent, 20/40 mesh, 20 SetsPart Number: 226-82$116.00 /PKSorbent Tube, two Anasorb 747 tubes, both 8 x 110-mm size, 1-section tube 200 mg sorbent, 20/40 mesh, and 1-section tube 400 mg sorbent. Tube Ends: Glass Sealed Separators: Glass Wool/Foam
This SKC Air Sampling Guide is a reference only to assist users in finding the method, sampling equipment, and sampling media for a specific compound. This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. Users must consult the appropriate sampling method for the compound of interest before sampling. The sampling parameters shown here are suggestions based on the ranges or volume, flow, and time specified in the methods. It is the responsibility of the analyst performing the sampling and analysis steps to adjust the parameters so that the required detection limits can be obtained. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures.
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