Metronidazole, 100 µg/ml, Acetonitrile, 1ml

1,3,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

cis-Nonachlor, 100 µg/ml, Cyclohexane, 1ml

Solids (Total Solids, TSS, & TDS)