United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 1997_register executive 2010-09-24 article Part IV Rules and Regulations D09002ee1be01965e D09002ee1be019750 United States Environmental Protection Agency originator org United States Government Agency or Subagency This final rule revises the 40 CFR part 58 ambient air quality surveillance regulations to include provisions for PM<INF>2.5</INF> (particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers), as measured by a new reference method being published in 40 CFR part 50, Appendix L, elsewhere in this issue of the Federal Register or by an equivalent method designed in accordance with requirements being promulgated in 40 CFR part 53. In addition, this rule also revises existing ambient air quality monitoring requirements for PM<INF>10</INF> (particles with an aerodynamic diameter less than or equal to 10 micrometers). These revisions address network design and siting, quality assurance (QA) and quality control (QC), operating schedule, network completion, system modifications, data reporting, and other monitoring subjects. 62 FR 38764 https://www.govinfo.gov/app/details/FR-1997-07-18/97-18579 97-18579 fr18jy97-18 RIN 2060-AE66 6560-50-F AD-FRL-5725-6 https://www.govinfo.gov/app/details/FR-1997-07-18/97-18579 https://www.govinfo.gov/content/pkg/FR-1997-07-18/html/97-18579.htm https://www.govinfo.gov/content/pkg/FR-1997-07-18/pdf/97-18579.pdf 91 p. 38764 38854 62 FR 38764 Title 40 Part 53 40 CFR Part 53 Title 40 Part 58 40 CFR Part 58 RIN 2060-AE66 Revised Requirements for Designation of Reference and Equivalent Methods for PMINF2.5/INF and Ambient Air Quality Surveillance for Particulate Matter; Federal Register Vol. 62, Issue RULE 97-18579 IV ENVIRONMENTAL PROTECTION AGENCY 1997-09-16 AD-FRL-5725-6 6560-50-F 97-18579 Final rule.

This final rule revises the 40 CFR part 58 ambient air quality surveillance regulations to include provisions for PM<INF>2.5</INF> (particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers), as measured by a new reference method being published in 40 CFR part 50, Appendix L, elsewhere in this issue of the Federal Register or by an equivalent method designed in accordance with requirements being promulgated in 40 CFR part 53. In addition, this rule also revises existing ambient air quality monitoring requirements for PM<INF>10</INF> (particles with an aerodynamic diameter less than or equal to 10 micrometers). These revisions address network design and siting, quality assurance (QA) and quality control (QC), operating schedule, network completion, system modifications, data reporting, and other monitoring subjects.

This regulation is effective September 16, 1997. For general information, contact Brenda Millar (MD-14), Monitoring and Quality Assurance Group, Emissions Monitoring, and Analysis Division, Environmental Protection Agency, Research Triangle Park, North Carolina 27711, Telephone: (919) 541-5651, e-mail: millar.brenda@email.epa.gov. For technical information, contact Neil Frank (MD-14), Monitoring and Quality Assurance Group, Emissions, Monitoring, and Analysis Division, Environmental Protection Agency, Research Triangle Park, North Carolina 27711, Telephone: (919) 541-5560. Vol. 62, no. 138 Office of the Federal Register, National Archives and Records Administration 1997-07-18 continuing daily deposited born digital 445 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-1997-07-18 P0b002ee180a40c45 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr18jy97 https://www.govinfo.gov/app/details/FR-1997-07-18 https://www.govinfo.gov/content/pkg/FR-1997-07-18/pdf/FR-1997-07-18.pdf fdlp 38421 38896 DGPO 2010-09-24 2023-05-06 FR-1997-07-18 machine generated eng FR FR-1997-07-18 62 138