Laws & Regulations
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TRI EZ Search
The Toxics Release Inventory (TRI) contains information about more than 650 toxic chemicals that are being used, manufactured, treated, transported, or released into the environment.
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LCRI Questions and Answers
A list of questions about the LCRI
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Ozone (O3) Standards - Policy Assessments from Current Review
The policy assessment (PA) presents an analysis of the scientific basis for policy options for consideration by senior EPA management prior to rulemaking
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Managing Air Quality - Human Health, Environmental and Economic Assessments
Human health and environmental assessments characterize health and environmental risks associated with exposure to pollution. Economic assessments evaluate the cost and economic impact of a policy or regulation & can estimate economic benefits.
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New Source Review Related Links
Provides links to New Source Review related sites within EPA and outside of EPA.
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EPA-Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Oklahoma SIP
EPA Approved Oklahoma Source-Specific Requirements
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Louisiana LAC 33:III Ch. 9 Section 919 - Emission Inventory, SIP effective August 4, 2011 (LAd34) and February 29, 2016 (LAd47)
LA SIP: 33 LAC III Ch. 9 Section 919
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Perchlorate in Drinking Water
Perchlorate is a naturally occurring and manufactured chemical anion. On February 11, 2011, EPA determined that perchlorate meets the Safe Drinking Water Act criteria for regulation as a contaminant.
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EPA-Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Oklahoma SIP
EPA Approved Nonregulatory Provisions and Quasi-Regulatory Measures in the Oklahoma SIP
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 2. Incorporation by Reference, SIP effective April 1, 2024 (OKd37)
Oklahoma SIP: OK 252:100- 2 Incorporation by Reference, SIP effective 2016-10-28 (OKd18)
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 2. Incorporation by Reference, SIP effective May 11, 2020 (OKd29) and September 15, 2022 (OKd32) to March 31, 2024
Oklahoma SIP: OK 252:100- 2 Incorporation by Reference, SIP effective 2016-10-28 (OKd18)
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Oklahoma SIP: ODEQ Regulations Cross-References with Previous Codifications
Oklahoma DEQ Regulatons Cross-References with Previous Codifications
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Oklahoma SIP: OK 252:100 Appendix P, Regulated Air Pollutants (RAP), SIP effective 2016-10-28 (OKd18)
OK 252:100 Appendix P, Regulated Air Pollutants (RAP), SIP effective 2016-10-28 (OKd18)
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Oklahoma OAC 252 Chapter 100. Air Pollution Control, Subchapter 8. Permits for Part 70 Sources, Part 1. General Provisions, SIP effective October 28, 2016 (OKd18)
Oklahoma SIP: OAC 252:100-8-1 to 252:100-8-1.5
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Oklahoma OAC 252:100, Appendix F. Secondary Ambient Air Quality Standards, SIP effective September 3, 2019 (OKd27)
Oklahoma SIP: OAC 252:100 Appendix F
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Oklahoma SIP: OAC 252:100 Appendix C. Particulate Matter Emission Limits for Fuel-Burning Equipment
Oklahoma SIP: OAC 252:100 Appendix C. Particulate Matter Emission Limits for Buel-Burning Equipment