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Organic chemicals, sampling and analytical requirements. § 141.24 Organic chemicals, sampling and analytical requirements. (a)-(d) [Reserved] (e) Analyses for the contaminants in this section shall be conducted using the methods listed in the following table, or the alternative methods listed in appendix A to subpart C of this part, or their equivalent as determined by EPA. standard opening Volatile Organic Chemical sampling vial online standard opening Volatile Organic Chemical sampling via...

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