Isofenphos-des-N-isopropyl

QC Standard 1

Tri-n-butyl phosphate, 1.2ml x 50ug/ml, toluene

Custom methyl-PAHs and trimethylbenzene Mixture 100µg/mL each in dichoromethane1x10mL 0289.17 1-Methylfluoranthene 1274.9 1,2,3-Trimethylbenzene 0712.11 1-Methyl napthalene