Hilcorp Grayling Platform PSD Construction Permit H2S Increase Project
Hilcorp Alaska, LLC (Hilcorp) owns and operates the Grayling Platform (Grayling) located in Upper Cook Inlet, Alaska. Grayling is an offshore oil and gas production platform, producing gas and oil with some residual water in the oil. The platform currently burns all its produced gas in platform combustion devices in addition to gas imported from Steelhead Platform.
Hilcorp is requesting an increase of the short-term permitted fuel gas H2S limit to from 400 ppmv to 1,250 ppmv to protect ambient air quality and proposes to establish a BACT limit of 98 tons per year (tpy) of sulfur dioxide (SO2) emissions based on an annual average fuel gas H2S concentration of 650 ppmv.
For additional information please contact Scott Faber at 907-269-6883 or at scott.faber@alaska.gov
| Date | Title and Document Download | Category | Program |
|---|---|---|---|
| 12/4/2023 | AQ0069CPT02A Application (PDF 9.6M) | ||
| 12/5/2023 | Grayling Fuel Gas H2S Increase Project AQ Modeling Files (ZIP 8.1M) | ||
| 12/4/2023 | Attachment A 2 Grayling H2S Increase Project Potential Emissions Update (XLS 165K) | ||
| 3/14/2024 | AQ0069CPT02 Info Request (PDF 296K) | Information Request | ADEC |
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