National Institute for Occupational Safety and Health

“ Resorcinol is a toxic irritant and is also air and light sensitive. Methanol is flammable and a dangerous fire risk. Wear appropriate protective clothing and work with these compounds in a well ventilated hood.
SAMPLING: 1. Calibrate each personal sampling pump with a representative sampler in line. 2. Remove front and rear caps from each tube immediately before sampling. Attach sampler to personal sampling pump with flexible tubing. 3. Sample at an accurately knownflow rate between 0.2 and 1.0 L/min for a total sample size of 5 to 160 L. 4. ”

“ A polyurethane foam plug Calibration stock: Dissolve mg amount of follows the back section. Tubes are resorcinol in 10 mL of solvent. Prepare commercially available (SKC # 226-57) . additional standards by serial dilution. 2. Personal sampling pump, 0.2 to 1.0 mL/min, with flexible connecting tubing. 3. ”

“ Vials, autosampler, with PTFE-lined caps. 6. Vials, 4-mL, with screw caps. 7. Microliter syringes, 10-μL and other sizes as needed, readable to 0.1 μL. 8. Flasks, volumetric, various sizes. 9. Pipets, various sizes. ”