FAQ > Rule Subparts > Subpart W. Petroleum and Natural Gas Systems > Subpart W - General > Q614. The applicability tool for Onshore Petroleum and Natural Gas has an operating factor for associated gas venting from produced hydrocarbons. How does this operating factor correlate with the barrels of crude oil produced?
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Q614. The applicability tool for Onshore Petroleum and Natural Gas has an operating factor for associated gas venting from produced hydrocarbons. How does this operating factor correlate with the barrels of crude oil produced?

A614. EPA has provided guidance on the operating factor in the Notes section, where it states, “This is defined as the fraction of time the process unit is operating in a calendar year.  For example, a 90% operating factor would be entered as 0.9 because the unit is in operation for 90% of the year.”


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