Paraoxon-ethyl, 10.0 µg/ml, Acetone, 10ml

p-n-Nonylphenol Monoethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

Te, 1000 µg/mL in 5% HNO3, 500ml

Valeraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml