National Institute for Occupational Safety and Health

“ Working standards can be stored at -20 °C for at least three days. b. Analyze together with samples and blanks (steps 12 and 13) . c. Prepare calibration graphs of peak area vs. quantity (μg) of vinyl chloride per tube and peak area vs. quantity (ng) per injection. Determine desorption efficiency (DE) at least once for each lot of charcoal used in the calibration range (step 9) . Prepare three tubes at each of five levels plus three media blanks. a. Prepare three atmospheres of vinyl chloride in air by injecting 0.01, 0.08, and 0.2 mL vinyl chloride gas into 10 L air in Tedlar bags. ”

“ Attach two tubes, with ends touching, with a short piece of tubing. Label one tube as the back tube and insert the back tube into the flexible tubing attached to the personal sampling pump. Sample at 0.05 L/min for 15 to 100 min. Do not sample more than 5 L of air. Separate the primary and backup tubes and cap each tube for shipment.
Vinyl chloride is a human carcinogen [3] .
3. 4.
1.
NIOSH Manual of Analytical Methods (NMAM) , Fourth Edition, 8/15/94 VINYL CHLORIDE: METHOD 1007, Issue 2, dated 15 August 1994 - Page 3 of 4 SAMPLE PREPARATION: 5. 6. 7. 8.
Add 1.0 mL CS 2 to an empty vial. ”

“ TLVs - Threshold Limit Values for Chemical Substances and Physical Agents in the Work Environment 1993-94 , ACGIH, Cincinnati, OH (1993) . Cuddeback, J. E., W. R. Burg, and S. R. Birch, Environ . Sci. ”