Quinalphos, 10.0 µg/ml, Ethyl acetate, 10ml

Metazachlor ethane sulfonic acid (ESA), 10mg

2,2',3,4,4',5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-69-1

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