EPA Method 502/524 Volatile Standard, 2000µg/ml in MeOH, 1ml

1-Chloro-4-nitrobenzene

Bis(1,3-dichloro-2-propyl) phosphate-d10, 1.2ml x 50ug/ml, acetonitrile

Alachlor ESA-d13 Sodium Salt, 0,5mg