EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0355.26-10MG 9,10-Diphenylanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1499-10-1 Price on request 90611 525/526 Internal Standard Price on request 682642 Diphenylacetic acid, 1000mg Price on request