EPA Method 8240A Calibration Check Compounds

2,6-TDI Derivative, 1000µg/mL in DMSO, 1ml

Di-tert-butyldisulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-06-5

1,2,3,5,7-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane