oxy-Chlordane, 100 µg/ml, Cyclohexane, 1ml

Tris(2-chloroethyl)phosphate

4-Chloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL