EPA Method 8060 QC Check Solution

m-Cresol-d8, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 302911-90-6

Di-iso-butyl phthalate-3,4,5,6-d4, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 358730-88-8

1,2,4,5,8-Pentachloronaphthalene, 1.2mL x 50ug/mL, nonane