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Air-Phase Petroleum Hydrocarbon APH Workgroup SAC Update 26 September 2008 Don Muldoon

History. APH Method Public Comment Draft Issued February 2000. Draft APH Method was designed to measure the gaseous-phase concentrations of volatile aliphatic and aromatic petroleum hydrocarbons that are collectively quantitated in air and soil gas in the ranges:

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Air-Phase Petroleum Hydrocarbon APH Workgroup SAC Update 26 September 2008 Don Muldoon

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    2. History

    3. History (continued)

    4. Workgroup Mission: Finalize the APH Method Develop a companion document to be included in the previously published Compendium of Analytical Methods (CAM). Companion document will describe an approved analyte list, and method-specific quality control requirements and performance standards to provide "Presumptive Certainty" criteria for APH data. The Workgroup will also establish guidelines for EPA methods TO-14 and TO-15 procedures to be included in the CAM.

    5. Revisions Under Consideration

    6. Revisions Under Consideration (continued)

    7. Revisions Under Consideration (continued)

    8. Next Steps

    9. Questions?

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