EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673293 Fluazifop, 100 µg/ml, Acetonitrile, 5ml Price on request 9284.17-10MG Sertraline hydrochloride, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 79559-97-0 Price on request 96626 Methadone/Methaqualone/Propoxyphene Price on request