EPA Method 507 Nitrogen Phosphorus Pesticide Back Catalog number: 31882 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10142.19-10MG Dehydroepiandrosterone sulfate sodium salt hydrate (DHEA sulfate sodium hydrate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1099-87-2 Price on request 2129.12-10-IO Arochlor 1260 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5 Price on request C10080100 Aldicarb-sulfone D3, 10mg Price on request