Chlorpyriphos-ethyl, 100µg/ml in Acetonitrile, 5ml

3-Methyl-2,2',4,6'-tetrachlorodiphenylmethane

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

1-Methoxy-2-propyl acetate,1000 µg/mL,MeOH,1mL,