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The U.S. AQI does not include recommendations for PM2.5 levels above 500, but levels are sometimes worse (“beyond index”).

La temporada de incendios forestales de California suele ser entre la primavera y el final del otoño. El Air District monitorea la calidad general del aire en el Área de la Bahía y notificará al público si el humo de los incendios forestales parece estar causando niveles elevados de contaminación por partículas en la región. 

Sep 22, 2008 ... Bay Area Air Quality Management District 939 Ellis Street San Francisco, CA 94109 (415) 749-5000 APPROVED MINUTES Advisory Council Regular Meeting 9:00 a.m., Thursday, May 15, 2008 ...

Feb 23, 2015 ... REGULATION 12 MISCELLANEOUS STANDARDS OF PERFORMANCE RULE 16 PETROLEUM REFINING EMISSIONS ANALYSIS, THRESHOLDS AND MITIGATION INDEX 12-16-100 GENERAL 12-16-101 Description 12-16-102 ...

Jan 28, 2015 ... REGULATION 12 MISCELLANEOUS STANDARDS OF PERFORMANCE RULE 16 PETROLEUM REFINING EMISSIONS ANALYSIS, THRESHOLDS AND MITIGATION INDEX 12-16-100 GENERAL 12-16-101 Description 12-16-102 ...

Oct 17, 2008 ... ADVISORY COUNCIL TECHNICAL COMMITTEE REVISED AGENDA TH FLOOR BOARD ROOM WEDNESDAY 7 OCTOBER 22, 2008 1:00 ...

ene. 13, 2014 ... REGULATION 12 MISCELLANEOUS STANDARDS OF PERFORMANCE RULE 15 PETROLEUM REFINING EMISSIONS TRACKING INDEX 12-15-100 GENERAL 12-15-101 Description 12-15-200 DEFINITIONS 12-15-201 Accidental Air ...

sep. 11, 2015 ... REGULATION 12 MISCELLANEOUS STANDARDS OF PERFORMANCE RULE 16 PETROLEUM REFINING EMISSIONS LIMITS ANALYSIS, THRESHOLDS AND MITIGATION AND RISK THRESHOLDS INDEX 12-16-100 GENERAL 12-16-101 ...

Oct 27, 2009 ... DRAFT – DO NOT CITE OR QUOTE – DRAFT October 20, 2009 REGULATION 2 PERMITS RULE 5 NEW SOURCE REVIEW OF TOXIC AIR CONTAMINANTS INDEX 2-5-100 GENERAL 2-5-101 Description 2-5-110 Exemption, Low ...

Jan 22, 2010 ... REGULATION 2 PERMITS RULE 5 NEW SOURCE REVIEW OF TOXIC AIR CONTAMINANTS INDEX 2-5-100 GENERAL 2-5-101 Description 2-5-110 Exemption, Low Emission Levels 2-5-111 Limited Exemption, Emergency ...

Apr 29, 2024 ... BAAQMD Regulation 11, Rule 18 Implementation Procedures April 2024 H:\Engineering\Rule 11-18\Implementation Plans\Implementation Procedures Document\Rule 11-18 ...

Jun 3, 2014 ... March  2014   1 ...

Jul 14, 2009 ... DRAFT – DO NOT CITE OR QUOTE – DRAFT 07/14/09 REGULATION 2 PERMITS RULE 5 NEW SOURCE REVIEW OF TOXIC AIR CONTAMINANTS INDEX 2-5-100 GENERAL 2-5-101 Description 2-5-110 Exemption, Low ...

Jan 28, 2016 ... Initial Study/Negative Declaration for the Bay Area Air Quality Management District BAAQMD Regulation 9, Rule 14 (Regulation 9-4): Petroleum Coke Calcining Operations ...

Aug 31, 2023 ... BAAQMD Regulation 11, Rule 18 Implementation Procedures August 2020 H:\Engineering\Rule 11-18\Implementation Plans\Implementation Procedures ...

Aug 31, 2023 ... BAAQMD Regulation 11, Rule 18 Implementation Procedures August 2020 H:\Engineering\Rule 11-18\Implementation Plans\Implementation Procedures ...

Mar 21, 2013 ... WORKSHOP REPORT PRELIMINARY DRAFT AIR DISTRICT REGULATION 12, RULE 15: PETROLEUM REFINING EMISSIONS TRACKING Prepared by the staff of the Bay Area Air Quality Management ...

Feb 23, 2015 ... WORKSHOP REPORT PROPOSED AIR DISTRICT REGULATIONS 12, RULE 15: PETROLEUM REFINING EMISSIONS TRACKING AND REGULATION 12, RULE 16: PETROLEUM REFINING EMISSIONS ANALYSIS, ...

Nov 30, 2009 ... RULE DEVELOPMENT STAFF REPORT DECEMBER 2009 Proposed Amendments to: Regulation 2: Permits, Rule 5: New Source Review of Toxic Air Contaminants Carol Allen, ...

Jan 9, 2017 ... Multi-Pollutant Evaluation Method Technical Document 2016 Update David Fairley, BAAQMD David Burch, BAAQMD Bay Area Air Quality Management District 375 Beale ...