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

Endosulfan , 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 115-29-7

1,2-Propanediol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 57-55-6

EPA Method 508 Surrogate Standard