2,3,7-Trichlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane

Dimethyl trisulfide, 1ml

N-Acetyl-S-(carbamoylethyl-d4)-L-cysteine , 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81690-92-8 (unlabelled compound)

EPA Method 8141 Surrogate Standard