gamma-HCH (BHC),neat,neat,100mg,

Ethanol in serum control EtOH SE (0.5g/L), 10x3ml

17 alpha(H),21ß(H)-(22S)-Tetrakishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 67069-13-0

Arsenic (As)