Naphthalene-d8, 1000µg/ml in MeOH, 1ml

Perfluoro-n-[1,2-13C2]tetradecanoic acid, 1.2ml x 50ug/ml, methanol

EPA 1653 Chloroguaiacols 8 Analytes, each 100µg/mL in methanol; unit: 1x1mL 4-Chloroguaiacol [16766-30-6] 3,4-Dichloroguaiacol 4,5-Dichloroguaiacol 4,6-Dichloroguaiacol 3,4,5-Trichloroguaiacol 3,4,6-Trichloroguaiacol 4,5,6-Trichloroguaiacol Tetrach

EPA 8040A Phenol-Calibration Mixture S-4238 23 Components, 1mg/mL in isopropanol 4-Chloro-3-methylphenol 2-Chlorophenol 2-Methylphenol 3-Methylphenol 4-Methylphenol 2-Cyclohexyl-4,6-dinitrophenol 2,4-Dichlorophenol 2,6-Dichlorophenol 2