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GC Columns
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Environmental Analysis Columns: Pesticides, PCBs, & Herbicides
624 Internal Standard Mix
Also available:
VOA Individual Internal Standards and Surrogates
These mixtures are suitable for instrument calibration for each method specified by the EPA. The most volatile gases are included in a separate mix because these working solutions degrade most rapidly.
bromochloromethane
2-bromo-1-chloropropane
1,4-dichlorobutane
For Method 8010 Internal Standards,
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