o,p'-DDT, 100µg/ml in MeOH, 1ml

EPA Method 551.1 Surrogate Standard

2-sec-Butyl-3-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 24168-70-5

Propachlor-oxalamic acid (OA), 10mg