PAH IS/S Standard, 4000µg/ml in MeChl., 1ml

4,4'-DDT, 100 µg/ml, Ethyl acetate, 5ml

Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg

EPA Method 23 Calibration Kit, 5 ampoules, nonane