WS Chlorinated Pesticide Amp 1 - Cal Check Back Catalog number: 93511 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended HPCB-4009N 4-Hydroxy-2',3,5,5'-tetrachlorobiphenyl, 10mg Price on request X9122 Isodrin Price on request 19073 CLP - Acids Matrix Spiking Solution Price on request