2-Ethylhexyl-2,3,4,5-tetrabromobenzoate

Butoxycarboxim, 100 µg/ml, Acetonitrile, 5ml

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 8240B - Purgeable Internal Standard