EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0235.16-200-T Pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 129-00-0 Price on request 673253 Desmedipham, 100 µg/ml, Acetonitrile, 5ml Price on request S-4056-0-10MX Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request