Etrimfos, 100 µg/ml, Toluene, 1ml

CLP Surr. Standard #2, 200ug/mL in Acetone, 1ml

(13C10)Mirex, 1.2mL x 100ug/mL, nonane

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