EPA Method 507 Pesticides Back Catalog number: 95463 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8203.16-5MG 2-Hydroxypyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 78751-58-3 Price on request 681733 MCPA-glucoside, 10mg Price on request 30621 4-Nitroanisole Price on request