EPA Method 1666 Standard #2 Back Catalog number: 82450 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70593 Chlorpyrifos methyl Price on request S-4035-5K-IOX5 Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 0292.19-200-T 1-Methylchrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-28-8 Price on request