Hopane and Sterane Biomar Mix, 10µg/ml in IO, 1ml

CLP Surr. Standard #2, 200ug/mL in Acetone, 1ml

2,2',3,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36559-22-5

EPA Method 528 Internal Standard