Alachlor mercapturate, 50mg

1-Ethyl-4-methylbenzene (4-ethyltoluene, p-ethyltoluene), 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 622-96-8

2,2',3,3',4,5,6'-Heptachlorobiphenyl (174)

Whole Oil Separation Control Set (S-4015 - S-4017 + S-4012) Neat mixtures (0.25mL) of the Control mixtures 1-3, 1mL solution of the Control mixture 4 in isooctane solution