Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml

EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3]

2,6-Dimethylnaphthalene-d12,neat,neat,50mg

Chlorbenside, 100 µg/ml, Acetonitrile, 5ml