EPA Method 1666Labeled Standard

Arochlor 1232, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11141-16-5

Chlormequat-1,1,2,2-d4 chloride, 100µg/ml in Water, 1ml

(+/-)-Cotinine-d3 (N-methyl-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 110952-70-0