Surrogate Standard

2,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

4-Chloromethyl-2,2-dimethyl-1,3-dioxolane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 4362-40-7

O,O-Diethyldithiophosphate, ammonium salt