EPA Method 555 Herbicide Standard Back Catalog number: 83600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96718 6-Methylchrysene Price on request 677477 Triphenylmethane, 250mg Price on request 8942.8-100-AN Bromophos methyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2104-96-3 Price on request