Emission Limits for Kentucky's Mill Creek Facility: A Regulatory Overview

Strategic Insights -

The Kentucky Public Service Commission has released a document outlining the emission limits for Mill Creek, a facility that must comply with the regulations set by the Los Angeles County Municipal Pollution Control District (LMAPCD). The document specifies parameter emission limits, reasons for these limits, and the company's plans to meet them. The limits are enforced through semi-annual monitoring reports and annual compliance certifications.

Key Takeaways:

  • Mill Creek has emission limits for various pollutants, including naphthalene, formaldehyde, hydrogen fluoride, arsenic compounds, and chromium VI, among others.
  • The limits are set at the following rates (lbs/yr): 22.6 for naphthalene, 95.8 for formaldehyde, 18240 for hydrogen fluoride, and 363 for arsenic compounds.
  • The company must submit an Environmental Acceptability Demonstration to the LMAPCD, which requires the submission of semi-annual monitoring reports and annual compliance certifications.
  • The title V Operating Permit for Mill Creek (Attachment 1 to AG-KIUC-2 Question No. 33(a)) contains requirements for meeting the emission limits.
  • The company plans to be in compliance with the permit requirements, and inspections are carried out to enforce these limits.
  • The facility has separate emission limits for day and nighttime conditions, with the highest limits for nighttime emissions: 27 lbs/yr for naphthalene, 21802 lbs/yr for hydrogen fluoride, and 434 lbs/yr for arsenic compounds.

Statistics:

  • Naphthalene emission limit: 22.6 lbs/yr
  • Formaldehyde emission limit: 95.8 lbs/yr
  • Hydrogen fluoride emission limit: 18240 lbs/yr
  • Arsenic compounds emission limit: 363 lbs/yr
  • Chromium VI emission limit: 128.7 lbs/yr
  • Sulfuric acid emission limit: 161726 lbs/yr
  • Benzene emission limit: 216 lbs/yr

Sources:

  • Kentucky Public Service Commission: Parameter Emission limit (lbs/yr) Document
  • LMAPCD STAR regulations: Environmental Acceptability Demonstration
  • Mill Creek Title V Operating Permit: Attachment 1 to AG-KIUC-2 Question No. 33(a)