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

Diisopentyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 2051-04-9

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

1,1-Dichloro-2,2-bis[4-chloro(13C6)phenyl]ethene, 1.2mL x 100ug/mL, nonane