Tris(3-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Hexachlorobenzene, 100 µg/ml, Ethyl acetate, 1ml

Pholcodine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 509-67-1

EPA Method 502/524 Surrogate Standard #3, 2000µg/ml in MeOH, 1ml