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首頁 > 資料下載 > 石油和天然氣行業(yè)溫室氣體排放報告背景技術支持文件GREENHOUSE GAS EMISSIONS REPORTING FROM THE PETROLEUM AND NATURAL GAS INDUS
石油和天然氣行業(yè)溫室氣體排放報告背景技術支持文件GREENHOUSE GAS EMISSIONS REPORTING FROM THE PETROLEUM AND NATURAL GAS INDUS 石油和天然氣行業(yè)溫室氣體排放報告背景技術支持文件GREENHOUSE GAS EMISSIONS REPORTING FROM THE PETROLEUM AND NATURAL GAS INDUS

石油和天然氣行業(yè)溫室氣體排放報告背景技術支持文件GREENHOUSE GAS EMISSIONS REPORTING FROM THE PETROLEUM AND NATURAL GAS INDUS

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美國溫室氣體清單中低估的排放量被公開修訂。 除了原油 冷凝水儲存罐和火炬，以及洗滌器卸料閥。4.對 在EPA-HQ-OAR中發(fā)現的“油箱排放分析”中提供了儲油罐。 2009-0923-0002文檔，但修訂的排放量未包括在此分析中 （詳情見附錄C）。關于包括洗滌器的進一步討論 本規(guī)則制定中的自卸閥，請參閱EPA中的“洗滌自卸閥”分析。 總部-OAR-2009-0923文件。環(huán)境保護局只有有限的公開信息才能準確獲得。 修訂國家一級的燃燒和洗滌器自卸閥估算值。在岸上 燃燒排放，EPA使用溫室氣體清單的排放估計 基于環(huán)保署認為被低估的環(huán)評數據。參見 進一步的細節(jié)。這將在下面進一步解釋。附錄B提供了詳細信息 討論如何為四個被低估的每個開發(fā)新的估計 來源。表1提供了從EPA/GRI獲得的排放因子的比較 研究并在本文件中修改。表2提供了 美國溫室氣體清單中列出的天然氣工業(yè)的每個部分，以及 基于四個低估來源的修正估計計算。

The understatement of emissions in the U.S. GHG Inventory were revised using publicly available information for all sources and included in the analysis, except crude oil and condensate storage tanks and flares, and scrubber dump valves.4 The revised estimates for storage tanks are available in “Analysis of Tank Emissions”, found in the EPA-HQ-OAR- 2009-0923-0002 docket, but the revised emissions have not been included in this analysis (See Appendix C for further details). For further discussion on the inclusion of scrubber dump valves in this rulemaking please see the analysis “Scrubber Dump Valves” in EPA- HQ-OAR-2009-0923 docket. EPA has limited publicly available information to accurately revise estimates on a national level for flaring and scrubber dump valves. For onshore combustion emissions, EPA used emissions estimates from the GHG inventory which are based on EIA data which EPA believes to be underestimated. Refer to section 4(c)(iii) of the TSD for further details. This is explained further below. Appendix B provides a detailed discussion on how new estimates were developed for each of the four underestimated sources. Table 1 provides a comparison of emissions factors as available from the EPA/GRI study and as revised in this document. Table 2 provides a comparison of emissions from each segment of the natural gas industry as available in the U.S. GHG Inventory and as calculated based on the revised estimates for the four underestimated sources.

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