Methoxychlor, 100 µg/ml, Acetone, 5ml

Chrysene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

17 alpha(H),21ß(H)-(22S)-Homohopane, 50µg/mL in Isooctane, 1ml

pH 4.01 buffer solution (box of 25x20mL sachet)