EPA Method 513 Calibration Kit, 6 x 500ul, nonane

4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml

2-Methoxy-1-propyl acetate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 70657-70-4

Endosulfan (alpha and beta), 100 ng/µl, 1ml