EPA Method 508 Pesticide Standard Back Catalog number: 92949 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93977 PAH Standard, 100µg/ml in Acetonitrile, 1ml Price on request A634960 Ammonium Perfluoro(2-methyl-3-oxahexanoate), 100mg Price on request 673991 Picloram, 250mg Price on request