WP PCBs in Water Back Catalog number: 38091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3382.12-100 Dioxathion , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 78-34-2 Price on request 673560 alpha-Endosulfan, 100 µg/ml, Ethyl acetate, 5ml Price on request 79089 Propylene glycol Price on request