Acetochlor ESA, 1000µg/ml in MeOH, 1ml

Recovery ISTD - PAH 3 Analytes each 100µg/mL in xylene; unit: 1x1mL 1534.20 d12-Perylene [1520-96-3] 1524.12 d10-Acenaphthene [15067-26-2] 1530.13 d10-Fluorene [81103-79-9]

2,2-Dimethylbutane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-83-2

Vamidothion-sulfoxide, 100 µg/ml, Acetonitrile,