EPA Method 502/524 High Conc VOC Mixes

Metazachlor methylsulfoxide,100 µg/mL,acetonitrile,1mL,

Ca, 1000 µg/mL in 2% HNO3, 100ml

F-BTEX ISTD Mixture 4 Analytes, each 2000 µg/mL in methanol; units: 1x 4.5mL, 1x10mL 2017.6 Fluorobenzene [462-06-6] 2018.7 2-Fluorotoluene