National Institute for Occupational Safety and Health, NIOSH Manual of Analytical Methods… (1994)
“ Carbon disulfide is toxic and an acute fire and explosion hazard (flash point = !30 °C) . W ork with it only in a hood. Benzene is a human carcinogen. SAMPLING: 1. 2. 3. 4. Calibrate each personal sampling pump with a representative sampler in line. Break the ends of the sampler imm ediately before sampling. Attach sampler to personal sampling pump with flexible tubing. ”
National Institute for Occupational Safety and Health, NIOSH Manual of Analytical Methods… (1994)
“ Prepare calibration graph (ratio of peak area of analyte to peak area of internal standard vs. g ME K) . Determine desorption efficiency (DE) at least once for each batch of sorbent used for sampling in the calibration range (step 8) . Prepare three tubes at each of five levels plus three media blanks. a. Rem ove and disca rd back sorbent sec tion of a med ia blank sam pler. b. Inject a known amount of MEK directly onto front sorbent section with a microliter syringe. c. Ca p the tube. Allow to stand overnight. ”
National Institute for Occupational Safety and Health, NIOSH Manual of Analytical Methods… (1994)
“ Sampler: glass tube, 7 cm long, 6-mm OD, 4-mm ID. Two sections of 20/40 mesh beaded carbon separated by 2-mm foam plug (front = ~15 0 m g, back = ~75 m g) . Tub es are com m ercially available: Anasorb 747 (SKC 226-81) , Anasorb CMS (SKC 226-121) , Carboxen-564 (Supelco ORBO90) , o r equ ivalent. Personal sampling pump, 0.01 to 0.2 L/min, with flexible connecting tubing. ”
