Atrazine-desisopropyl D5 (ethylamino D5), 100µg/ml in Acetone, 1ml

Ethanol standard in water,4.0g/L,water, 1.5mL

2-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-00-0

Metazachlor Metabolite 479M11, 10mg