EPA Method 502.2/624Mix Back Catalog number: 93600 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3337.12-100 Chlorfenson, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 80-33-1 Price on request 679257 D6-Metazachlor ESA sodium salt, 100 µg/ml, Aceton Price on request MOPCB-4009S 4-Methoxy-2',3,5,5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml Price on request