EPA Method 507 Nitrogen Phosphorus Pesticide Back Catalog number: 31882 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2026.6-100MG gamma-HCH (BHC),neat,neat,100mg, Price on request S-4412-ASS-10IP S-4412 OrganoTin Special Mixture 1981,12 Tri-n-butyltin chloride 1000mg/L 1982,8 Di-n-butyltin dichloride 100mg/L 1983,4Monobutyltin trichloride 50mg/L Solvent: Isopropanol Units: 1L screwcap-bottles Price on request 50651 6020Low Intermediate Standard - Parent Price on request