D4-Diclofenac, 100 µg/ml, Acetone, 1ml

beta-HCH, 10.0 µg/ml, Ethyl acetate, 10ml

EPA Method 8260B Internal Standard

3-Methyl-2-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 4920-77-8