Q580. For onshore petroleum and natural gas facility dehydrator vents at glycol dehydrators with throughputs less than 0.4 million standard cubic feet per day, can GRI-GLYCalc be used instead of Method 2 in §98.233(e)(2)?

A580. Emissions from glycol dehydrators with annual average daily throughputs less than 0.4 million standard cubic feet per day must be reported using the requirements of §98.233 (e)(2), Calculation Methodology 2.