Code of Federal Regulations (Last Updated: October 10, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 53 - Ambient Air Monitoring Reference and Equivalent Methods |
Subpart A - General Provisions |
§ 53.1 - Definitions. |
§ 53.2 - General requirements for a reference method determination. |
§ 53.3 - General requirements for an equivalent method determination. |
§ 53.4 - Applications for reference or equivalent method determinations. |
§ 53.5 - Processing of applications. |
§ 53.6 - Right to witness conduct of tests. |
§ 53.7 - Testing of methods at the initiative of the Administrator. |
§ 53.8 - Designation of reference and equivalent methods. |
§ 53.9 - Conditions of designation. |
§ 53.10 - Appeal from rejection of application. |
§ 53.11 - Cancellation of reference or equivalent method designation. |
§ 53.12 - Request for hearing on cancellation. |
§ 53.13 - Hearings. |
§ 53.14 - Modification of a reference or equivalent method. |
§ 53.15 - Trade secrets and confidential or privileged information. |
§ 53.16 - Supersession of reference methods. |
Table A-1 to Subpart A - Summary of Applicable Requirements for Reference and Equivalent Methods for Air Monitoring of Criteria Pollutants |
Appendix A to Subpart A - References |
Table A-1 to Subpart A of Part 53 - —Summary of Applicable Requirements for Reference and Equivalent Methods for Air Monitoring of Criteria Pollutants |
Appendix A to Subpart A of Part 53 - References |
Subpart B - Procedures for Testing Performance Characteristics of Automated Methods for SO2, CO, O3, and NO2 |
§ 53.20 - General provisions. |
§ 53.21 - Test conditions. |
§ 53.22 - Generation of test atmospheres. |
§ 53.23 - Test procedures. |
Table B-1 to Subpart B of Part 53 - —Performance Limit Specifications for Automated Methods |
Table B-2 to Subpart B of Part 53 - Test Atmospheres |
Table B-3 to Subpart B of Part 53 - —Interferent Test Concentration, 1 Parts per Million |
Table B-4 to Subpart B of Part 53 - Line Voltage and Room Temperature Test Conditions |
Table B-5 to Subpart B of Part 53 - Symbols and Abbreviations |
Figure B–1 to Subpart B of Part 53—Example |
Appendix A to Subpart B of Part 53 - —Optional Forms for Reporting Test Results |
Subpart C - Procedures for Determining Comparability Between Candidate Methods and Reference Methods |
§ 53.30 - General provisions. |
§ 53.31 - [Reserved] |
§ 53.32 - Test procedures for methods for SO2, CO, O3, and NO2. |
§ 53.33 - Test Procedure for Methods for Lead (Pb). |
§ 53.34 - Test procedure for methods for PM10 and Class I methods for PM 2.5. |
§ 53.35 - Test procedure for Class II and Class III methods for PM 2.5 and PM -2.5. |
Table C-2 to Subpart C - Sequence of Test Measurements |
Table C-3 to Subpart C - Test Specifications for Lead Methods |
Table C-4 to Subpart C - Test Specifications for PM10 and PM2.5 Methods |
Figure C-1 to Subpart C - Suggested Format for Reporting Test Results |
Appendix A to Subpart C - References |
Table C-1 to Subpart C of Part 53 - Test Concentration Ranges, Number of Measurements Required, and Maximum Discrepancy Specifications |
Table C-2 to Subpart C of Part 53 - Sequence of Test Measurements |
Table C-3 to Subpart C of Part 53 - Test Specifications for Pb in TSP and Pb in PM 10 Methods |
Table C-4 to Subpart C of Part 53 - —Test Specifications for PM 10, PM 2.5 and PM 10-2.5 Candidate Equivalent Methods |
Table C-5 to Subpart C of Part 53 - Summary of Comparability Field Testing Campaign Site and Seasonal Requirements for Class II and III FEMs for PM 10-2.5 and PM 2.5 |
Figure C-1 to Subpart C of Part 53 - Suggested Format for Reporting Test Results for Methods for SO 2, CO, O 3, NO 2 |
Figure C-2 to Subpart C of Part 53 - Illustration of the Slope and Intercept Limits for Class II and Class III PM 2.5 Candidate Equivalent Methods |
Figure C-3 to Subpart C of Part 53 - Illustration of the Slope and Intercept Limits for Class II and Class III PM 10-2.5 Candidate Equivalent Methods |
Figure C-4 to Subpart C of Part 53 - Illustration of the Minimum Limits for Correlation Coefficient for PM 2.5 and PM 10-2.5 Class II and III Methods |
Appendix A to Subpart C of Part 53 - References |
Subpart D - Procedures for Testing Performance Characteristics of Methods for PM 10 |
§ 53.40 - General provisions. |
§ 53.41 - Test conditions. |
§ 53.42 - Generation of test atmospheres for wind tunnel tests. |
§ 53.43 - Test procedures. |
Subpart E - Procedures for Testing Physical (Design) and Performance Characteristics of Reference Methods and Class I and Class II Equivalent Methods for PM 2.5 or PM 10-2.5 |
§ 53.50 - General provisions. |
§ 53.51 - Demonstration of compliance with design specifications and manufacturing and test requirements. |
§ 53.52 - Leak check test. |
§ 53.53 - Test for flow rate accuracy, regulation, measurement accuracy, and cut-off. |
§ 53.54 - Test for proper sampler operation following power interruptions. |
§ 53.55 - Test for effect of variations in power line voltage and ambient temperature. |
§ 53.56 - Test for effect of variations in ambient pressure. |
§ 53.57 - Test for filter temperature control during sampling and post-sampling periods. |
§ 53.58 - Operational field precision and blank test. |
§ 53.59 - Aerosol transport test for Class I equivalent method samplers. |
Table E-2 - Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests |
Figure E-1 - Designation Testing Checklist |
Figure E-2 - Product Manufacturing Checklist |
Table E-1 to Subpart E - Summary of Test Requirements for Reference and Class I Equivalent Methods for PM2.5 |
Table E-2 to Subpart E - Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests |
Figure E-1 to Subpart E - Designation Testing Checklist |
Figure E-2 to Subpart E - Product Manufacturing Checklist |
Appendix A to Subpart E - References |
Table E-1 to Subpart E of Part 53 - Summary of Test Requirements for Reference and Class I Equivalent Methods for PM 2.5 and PM 10-2.5 |
Table E-2 to Subpart E of Part 53 - Spectral Energy Distribution and Permitted Tolerance for Conducting Radiative Tests |
Figure E-1 to Subpart E of Part 53 - Designation Testing Checklist |
Figure E-2 to Subpart E of Part 53 - Product Manufacturing Checklist |
Appendix A to Subpart E of Part 53 - References |
Subpart F - Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM 2.5 |
§ 53.60 - General provisions. |
§ 53.61 - Test conditions. |
§ 53.62 - Test procedure: Full wind tunnel test. |
§ 53.63 - Test procedure: Wind tunnel inlet aspiration test. |
§ 53.64 - Test procedure: Static fractionator test. |
§ 53.65 - Test procedure: Loading test. |
§ 53.66 - Test procedure: Volatility test. |
Table F-1 to Subpart F - Performance Specifications for PM2.5 Class II Equivalent Samplers |
Table F-2 to Subpart F - Particle Sizes and Wind Speeds for Full Wind Tunnel Test, Wind Tunnel Inlet Aspiration Test, and Static Chamber Test |
Table F-3 to Subpart F - Critical Parameters of Idealized Ambient Particle Size Distributions |
Figure E-1 to Subpart F - Designation Testing Checklist |
Appendix A to Subpart F - References |
Table F-1 to Subpart F of Part 53 - Performance Specifications for PM 2.5 Class II Equivalent Samplers |
Table F-2 to Subpart F of Part 53 - Particle Sizes and Wind Speeds for Full Wind Tunnel Test, Wind Tunnel Inlet Aspiration Test, and Static Chamber Test |
Table F-3 to Subpart F of Part 53 - Critical Parameters of Idealized Ambient Particle Size Distributions |
Table F-4 to Subpart F of Part 53 - Estimated Mass Concentration Measurement of PM 2.5 for Idealized Coarse Aerosol Size Distribution |
Table F-5 to Subpart F of Part 53 - Estimated Mass Concentration Measurement of PM 2.5 for Idealized “Typical” Coarse Aerosol Size Distribution |
Table F-6 to Subpart F of Part 53 - Estimated Mass Concentration Measurement of PM 2.5 for Idealized Fine Aerosol Size Distribution |
Figure E-1 to Subpart F of Part 53 - Designation Testing Checklist |
Figure F-1 to Subpart F of Part 53 - Designation Testing Checklist |
Appendix A to Subpart F of Part 53 - References |