2-Butanone-2,4-DNPH, 100mg

2,6,7-Trichlorodibenzofuran, 1.2ml x 50ug/ml, toluene

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

California Gas Additive Standard