Imidacloprid olefin, 10.0 µg/ml, Acetonitrile, 5

Method 429 Alternate Standard Stock Solution, 1.2ml, isooctane

D3-Ibuprofen, 100 µg/ml, Acetonitrile, 1ml

Trichlorfon, 100 µg/ml, Toluene, 1ml