Chlorpyrifos-methyl, 100 µg/ml, Toluene, 1ml

Endosulfan-sulfate, 100 µg/ml, Methanol, 1ml

EPA Method 552.1 - Haloacetic acids

2-Acetyl-3,5- and 2-acetyl-3,6-dimethylpyrazine, isomer mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.