EPA Method 551 Analytes Back Catalog number: 32052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4036-K-10IO 3-Chlorothiophene in isooctane Units: 10mL screw-capped bottle Price on request 10710.2-100-ME O,O-Dimethyldithiophosphate-13C2, sodium salt Price on request 673511 Chlorpyrifos-methyl, 10.0 µg/ml, Ethyl acetate, Price on request