EPA Method 508 - Performance Check Solution

Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane

5H-5-Methyl-6,7-dihydrocyclopentapyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

N-Ethyl-N-phenylurethane, 50mg