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  • Proposed Thresholds of Significance (12/09)
    Proposed Thresholds of Significance (12/09)

    Dec 8, 2009 ... California Environmental Quality Act Guidelines Update Proposed Thresholds of Significance December 7, 2009 ...

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    Dec 8, 2009 ... California Environmental Quality Act Guidelines Update Proposed Thresholds of Significance December 7, 2009 ...

  • Draft BAAQMD CEQA Guidelines (12/09)
    Draft BAAQMD CEQA Guidelines (12/09)

    Dec 8, 2009 ... California Environmental Quality Act Air Quality Guidelines December 2009 ...

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    (3 Mb PDF, 160 pgs)

    Dec 8, 2009 ... California Environmental Quality Act Air Quality Guidelines December 2009 ...

  • 12/22/2022 Letter to Valero
    12/22/2022 Letter to Valero

    Dec 22, 2022 ... December 22, 2022 Taryn Wier Manager, Environmental Engineering - Benicia Refinery Valero Refining Company - California 3400 East Second Street Benicia, CA 94510-1097 RE: Refinery ...

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    Dec 22, 2022 ... December 22, 2022 Taryn Wier Manager, Environmental Engineering - Benicia Refinery Valero Refining Company - California 3400 East Second Street Benicia, CA 94510-1097 RE: Refinery ...

  • 12/22/2022 Letter to Tesoro
    12/22/2022 Letter to Tesoro

    Dec 22, 2022 ... December 22, 2022 Anne Partmann Environmental Supervisor – Martinez Refinery Tesoro Refining & Marketing Company LLC 150 Solano Way Martinez, CA 94553 RE: Refinery Fenceline H S TDL ...

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    (368 Kb PDF, 9 pgs)

    Dec 22, 2022 ... December 22, 2022 Anne Partmann Environmental Supervisor – Martinez Refinery Tesoro Refining & Marketing Company LLC 150 Solano Way Martinez, CA 94553 RE: Refinery Fenceline H S TDL ...

  • 12/22/2022 Letter to P66
    12/22/2022 Letter to P66

    Dec 22, 2022 ... December 22, 2022 Bud Ghosh Senior Environmental Consultant Phillips 66 San Francisco Refinery 1380 San Pablo Avenue Rodeo, CA 94572 S TDL Monitoring System Specifications RE: ...

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    (375 Kb PDF, 9 pgs)

    Dec 22, 2022 ... December 22, 2022 Bud Ghosh Senior Environmental Consultant Phillips 66 San Francisco Refinery 1380 San Pablo Avenue Rodeo, CA 94572 S TDL Monitoring System Specifications RE: ...

  • 12/22/2022 Letter to MRC
    12/22/2022 Letter to MRC

    Dec 22, 2022 ... December 22, 2022 Michael Marlowe Manager, Environmental Affairs Martinez Refining Company, LLC 3485 Pacheco Boulevard Martinez, CA 94553 RE: Refinery Fenceline H S TDL Monitoring ...

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    (375 Kb PDF, 9 pgs)

    Dec 22, 2022 ... December 22, 2022 Michael Marlowe Manager, Environmental Affairs Martinez Refining Company, LLC 3485 Pacheco Boulevard Martinez, CA 94553 RE: Refinery Fenceline H S TDL Monitoring ...

  • 12/22/2023 Letter to Chevron
    12/22/2023 Letter to Chevron

    Dec 22, 2022 ... December 22, 2022 Shawn Lee Manager, Health, Environment & Safety Chevron Products Company P.O. Box 1272 Richmond, CA 94802-0272 RE: Refinery Fenceline H S TDL Monitoring System ...

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    (376 Kb PDF, 9 pgs)

    Dec 22, 2022 ... December 22, 2022 Shawn Lee Manager, Health, Environment & Safety Chevron Products Company P.O. Box 1272 Richmond, CA 94802-0272 RE: Refinery Fenceline H S TDL Monitoring System ...

  • 2023 Reg 12-15 Amp Notice
    2023 Reg 12-15 Amp Notice

    May 30, 2023 ... NOTICE OF EXTENSION OF THE TIME PERIOD FOR THE AIR DISTRICT’S REVIEW OF FENCELINE AIR MONITORING PLANS FOR HYDROGEN SULFIDE UNDER REGULATION 12, RULE 15, SECTION 404 June 2, 2023 Among ...

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    May 30, 2023 ... NOTICE OF EXTENSION OF THE TIME PERIOD FOR THE AIR DISTRICT’S REVIEW OF FENCELINE AIR MONITORING PLANS FOR HYDROGEN SULFIDE UNDER REGULATION 12, RULE 15, SECTION 404 June 2, 2023 Among ...

  • 12/4/2019 Letter to EPA
    12/4/2019 Letter to EPA

    Dec 5, 2019 ... December 4, 2019 Ms. Elizabeth Adams Director, Air Division United States Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Adams: ...

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    (152 Kb PDF, 1 pg)

    Dec 5, 2019 ... December 4, 2019 Ms. Elizabeth Adams Director, Air Division United States Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Adams: ...

  • 12/23/2020 Letter to EPA
    12/23/2020 Letter to EPA

    Dec 23, 2020 ... December 23, 2020 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr. Rios: ...

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    (188 Kb PDF, 1 pg)

    Dec 23, 2020 ... December 23, 2020 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr. Rios: ...

  • Statement of Basis 12-6-2016
    Statement of Basis 12-6-2016

    Dec 8, 2016 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 771-6000 Permit Evaluation and Statement of Basis for RENEWAL of MAJOR FACILITY REVIEW ...

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    (1 Mb PDF, 87 pgs)

    Dec 8, 2016 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 771-6000 Permit Evaluation and Statement of Basis for RENEWAL of MAJOR FACILITY REVIEW ...

  • 12/14/2020 Letter to EPA
    12/14/2020 Letter to EPA

    Dec 16, 2020 ... December 14, 2020 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr.

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    (112 Kb PDF, 1 pg)

    Dec 16, 2020 ... December 14, 2020 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr.

  • 12/14/2020 Statement of Basis
    12/14/2020 Statement of Basis

    Dec 16, 2020 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 771-6000 Permit Evaluation and Statement of Basis For the Initial MAJOR FACILITY ...

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    (10 Mb PDF, 79 pgs)

    Dec 16, 2020 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 771-6000 Permit Evaluation and Statement of Basis For the Initial MAJOR FACILITY ...

  • 12/21/2017 Letter to EPA
    12/21/2017 Letter to EPA

    Dec 21, 2017 ... December 21, 2017 Ms. Elizabeth Adams Acting Director, Air Division United States Environmental Protection Agency 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Adams: ...

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    (152 Kb PDF, 1 pg)

    Dec 21, 2017 ... December 21, 2017 Ms. Elizabeth Adams Acting Director, Air Division United States Environmental Protection Agency 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Adams: ...

  • 12/15/2022 Letter to EPA
    12/15/2022 Letter to EPA

    Dec 19, 2022 ... December 15, 2022 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 ALAMEDA ...

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    (137 Kb PDF, 1 pg)

    Dec 19, 2022 ... December 15, 2022 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 ALAMEDA ...

  • Letter to EPA 12-6-2016
    Letter to EPA 12-6-2016

    Dec 8, 2016 ... December 6, 2016 Ms. Deborah Jordan Director, Air Division United States Environmental Protection Agency 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Jordan: ...

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    (81 Kb PDF, 1 pg)

    Dec 8, 2016 ... December 6, 2016 Ms. Deborah Jordan Director, Air Division United States Environmental Protection Agency 75 Hawthorne Street San Francisco, CA 94105 Dear Ms. Jordan: ...

  • Draft Rule 12-13: Workshop Report
    Draft Rule 12-13: Workshop Report

    Jun 22, 2011 ... Bay Area Air Quality Management District 939 Ellis Street San Francisco, California 94109 Workshop Report BAAQMD Regulation 12, Rule 13: Metal Melting and Processing ...

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    (180 Kb PDF, 39 pgs)

    Jun 22, 2011 ... Bay Area Air Quality Management District 939 Ellis Street San Francisco, California 94109 Workshop Report BAAQMD Regulation 12, Rule 13: Metal Melting and Processing ...

  • Comments From EPA 3/23/12
    Comments From EPA 3/23/12

    Mar 23, 2012 ... UNITED STATES ENVIRONMENTAL PROTECTION AG.ENCY REGION IX 75 Hawthorne Street San Francisco, CA 94105 March 23,2012 .. Dennis T. Jang; Senior Air Quality Engineer Bay Area Air Quality Management ...

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    (1 Mb PDF, 3 pgs)

    Mar 23, 2012 ... UNITED STATES ENVIRONMENTAL PROTECTION AG.ENCY REGION IX 75 Hawthorne Street San Francisco, CA 94105 March 23,2012 .. Dennis T. Jang; Senior Air Quality Engineer Bay Area Air Quality Management ...

  • Letter to EPA 5/12/2026
    Letter to EPA 5/12/2026

    May 18, 2026 ... May 12, 2026 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr. Rios: This is to advise you ...

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    (388 Kb PDF, 1 pg)

    May 18, 2026 ... May 12, 2026 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr. Rios: This is to advise you ...

  • 12/28/2018 Letter to EPA
    12/28/2018 Letter to EPA

    Jan 10, 2019 ... December 28, 2018 Ms. Elizabeth Adams Acting Director, Air Division United States Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, CA 94105 Dear ...

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    (148 Kb PDF, 1 pg)

    Jan 10, 2019 ... December 28, 2018 Ms. Elizabeth Adams Acting Director, Air Division United States Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, CA 94105 Dear ...

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