https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-title-11-part-2-chapter-5-regulations-prevention-significant-deterioration_.html monthly 1.00 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-article-4-section-109-mississippi-ethics-commission-advisory-opinion-no-95_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-title-11-part-2-chapter-3-regulations-prevention-air-pollution-emergency_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-title-11-part-2-chapter-2-permit-regulations-construction-andor-operation_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-ms-ethics-commission-title-25-public-officers-and-employees-public-records_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-title-11-part-2-chapter-11-ms-deq-regulations-ambient-air-quality_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/epa-approved-nonregulatory-provisions-and-quasi-regulatory-measures-mississippi-sip_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/mississippi-sip-title-11-part-2-chapter-1-air-emission-regulations-prevention-abatement-and_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/epa-approved-statutes-and-regulations-mississippi-sip_.html monthly 0.80 https://19january2021snapshot.epa.gov/sips-ms/forms/contact-us-about-mississippi-air-quality-implementation-plans_.html monthly 0.80