Hexachloro-1,3-butadiene-13C4,neat,neat,10mg,

2,3,4,6-Tetrachlorophenol, 100 µg/ml, Methanol,

Ethanol standard in water,0.2g/L,water, 1.5mL

Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml