EPA Method 627 - Analytes Back Catalog number: 40022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677973 Diazinon, 100 µg/ml, Toluene, 1ml Price on request 66141 PCB No. 141, 100µg/ml in Isooctane, 1ml Price on request 677950 Tetrachlorvinphos, 250mg Price on request