FAQs > Rule Subparts > Subpart FF. Underground Coal Mines > Q694. Are there any provisions for extended inaccessibility of remote sites (e.g., degasification or gob vent boreholes) due to inclement weather (e.g., deep snow) that may restrict site access for weeks or even months?
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Q694. Are there any provisions for extended inaccessibility of remote sites (e.g., degasification or gob vent boreholes) due to inclement weather (e.g., deep snow) that may restrict site access for weeks or even months?

A694. The “missing data” provisions of Section 98.325 in subpart FF define how emissions can be estimated if data are not available.


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