NSR = Issuance of a permit for New Major Facility or Modification of a Major Facility pursuant to District Regulation XIII.

PSD = Issuance of a permit under the Prevention of Significant Deterioration (PSD) program.

MACT = A case by case MACT analysis pursuant to District Rule 1320

ERC = Issuance of Emission Reduction Credits

ATHS = Air Toxics “Hot Spots” Information and Assessment Act Notices pursuant to District Rule 1520 and Health & Safety Code 44362 et seq.

CEQA = California Environmental Quality Act notices for projects triggering an environmental review for which the MDAQMD is the lead agency.

RULE = Rule Adoption/Amendments

Title V= Issuance, Renewal, or Modification of a Title V Permit pursuant to Regulation XII- Federal Operating Permits

Advisories = Notices to the public and or regulated industry to advise of a potential change, hazard, or other pertinent information in regards to the Districts business and or function.