(-)-trans-11-Nor-9-carboxy-Δ9-THC, 1000µg/ml in MeOH, 1ml

Theobromine-d3 (1-methyl-d3),100 µg/mL,MeOH,1mL

EPA-1613CS3 + Window Defining/2378-TCDD Resolution Mix, 500ul, nonane

EPA 604, Surrogate Standard as PFB derivatives S-4375 1 Analyte, 200 µg/mL in methanol, 5mL or 1mg/mL in isopropanol, 1mL 2,4,6-Tribromophenol-PFB