VOC Gas Mixture - 6 components in Methanol

Method: Volatile Organic Componds in Water. EPA Method 502.1 identifies volatile halogenated organic compounds, in water, by purge and trap gas chromatography.
EPA Method 502.2 is an enhanced and expanded version 502.1. It is a general purpose method for the identification and measurement of purgeble volatile organic compounds in finished drinking water, raw source water, or drinking water in any treatment stage.
Composition:
Bromomethane 2000µg/ml [74-83-9]
Chloroethane 2000µg/ml [75-00-3]
Chloromethane 2000µg/ml [74-87-3]
Dichlorodifluoromethane 2000µg/ml [75-71-8]
Fluorotrichloromethane (Trichlorofluoromethane) 2000µg/ml [75-69-4]
Vinylchloride 2000µg/ml [75-01-4]