Code of Federal Regulations: Containing a Codification of Documents of General Applicability and Future Effect as of December 31, 1948, with Ancillaries and IndexDivision of the Federal Register, the National Archives, 1998 Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries. |
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Page 7
... paragraph ( b ) of this section , then this shall be considered a valid 24- hour average . In this case , the 24 - hour block average shall be computed as the sum of the available hourly averages divided by 24 . [ 61 FR 25579 , May 22 ...
... paragraph ( b ) of this section , then this shall be considered a valid 24- hour average . In this case , the 24 - hour block average shall be computed as the sum of the available hourly averages divided by 24 . [ 61 FR 25579 , May 22 ...
Page 71
... paragraph should be utilized , if available , and would suffice . More than 3 years may be considered , if all additional representative years of data meeting the 75 percent cri- terion are utilized . Data not meeting these criteria may ...
... paragraph should be utilized , if available , and would suffice . More than 3 years may be considered , if all additional representative years of data meeting the 75 percent cri- terion are utilized . Data not meeting these criteria may ...
Page 123
... paragraph ( a ) ( 3 ) of section 2.1 of this appendix could be eliminated since the spatial average would be equivalent to the annual average . 2.0 Comparisons with the PM2.5 Standards . 2.1 Annual PM2.5 Standard . ( a ) The annual PM2 ...
... paragraph ( a ) ( 3 ) of section 2.1 of this appendix could be eliminated since the spatial average would be equivalent to the annual average . 2.0 Comparisons with the PM2.5 Standards . 2.1 Annual PM2.5 Standard . ( a ) The annual PM2 ...
Page 136
... paragraph ( kk ) ( 1 ) of this section , ex- cept that the emission rate specified by any applicable State implementation plan ( or , in the absence of such a limit , the actual emission rate ) shall be used , or ( ii ) the actual ...
... paragraph ( kk ) ( 1 ) of this section , ex- cept that the emission rate specified by any applicable State implementation plan ( or , in the absence of such a limit , the actual emission rate ) shall be used , or ( ii ) the actual ...
Page 138
... paragraph ( a ) of this section was held in accordance with the notice required by paragraph ( d ) of this section . ( g ) Upon written application by a State agency ( through the appropriate Regional Office ) , the Administrator may ...
... paragraph ( a ) of this section was held in accordance with the notice required by paragraph ( d ) of this section . ( g ) Upon written application by a State agency ( through the appropriate Regional Office ) , the Administrator may ...
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adjustment Administration Air Pollution Air Quality Models air quality standards ambient ambient air quality analysis analyzer annual appendix applicable appropriate approved average calculated centration Clean Air Act compliance concentration cyclone determined device dilution dioxide Dispersion Model elapsed emis enforcement Environmental Protection Agency EPA Publication equation estimates Evaluation Federal filter flow rate hourly I/M program idle mode input major stationary source maximum means ment meteorological meter method monitoring nonattainment NTIS operation output ozone paragraph particulate matter percent performance plume rise point sources pressure procedures receptor regulations regulatory Research Triangle Park revision sample period sampler SHORTZ sion specified stability classes stack height subpart sulfur sulfur dioxide temperature terrain tion U.S. Environmental Protection urban valve vehicle Vertical volume volumetric flow rate wind speed zero µg/m³