2-Chloro-1,3-propanediol-dipalmitate, PP-2-MCPD

17 alpha(H),21ß(H)-Hopane, 100µg/mL in Isooctane, 1ml

Triphenyl phosphate, 10.0 µg/ml, , 10ml

2,4'-DDE, 100 µg/ml, Methanol, 1ml