[Federal Register Volume 77, Number 211 (Wednesday, October 31, 2012)]
[Rules and Regulations]
[Pages 65823-65824]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: C1-2012-13828]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 87
[EPA-HQ-OAR-2010-0687; FRL-9678-1]
RIN 2060-AO70
Control of Air Pollution From Aircraft and Aircraft Engines;
Emission Standards and Test Procedures
Correction
In rule document 2012-13828 appearing on pages 36341-36386 in the
issue of Monday, June 18, 2012, make the following corrections:
Sec. 87.23 [Corrected]
1. On page 36382, in Sec. 87.23, the table titled ``Table 3 to
Sec. 87.23--Tier 6 NOX Standards for New Subsonic Turbofan
or Turbojet Engines with Rated Output Above 26.7 kN'' should read as
set forth below:
Table 3 to Sec. 87.23--Tier 6 NOX Standards for New Subsonic Turbofan or Turbojet Engines With Rated Output Above 26.7 kN
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and the rated output (in kN)
If the rated pressure ratio is-- is-- The NOX emission standard (in g/kN rated output) is--
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rPR <= 30................................ 26.7 < rO <= 89............. 38.5486 + 1.6823[middot]rPR - 0.2453[middot]rO - 0.00308[middot]rPR[middot]rO
rO > 89..................... 16.72 + 1.4080[middot]rPR
30 < rPR < 82.6.......................... 26.7 < rO <= 89............. 46.1600 + 1.4286[middot]rPR - 0.5303[middot]rO + 0.00642[middot]rPR[middot]rO
rO > 89..................... -1.04 + 2.0[middot]rPR
rPR >= 82.6.............................. all......................... 32 + 1.6[middot]rPR
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2. On page 36383, in Sec. 87.23, the table titled ``Table 4 to
Sec. 87.23--Tier 8 NOX Standards for New Subsonic Turbofan
or Turbojet Engines with Rated Output Above 26.7 kN'' should read as
set forth below:
Table 4 to Sec. 87.23--Tier 8 NOX Standards for New Subsonic Turbofan or Turbojet Engines With Rated Output Above 26.7 kN
--------------------------------------------------------------------------------------------------------------------------------------------------------
and the rated output (in kN)
If the rated pressure ratio is-- is-- The NOX emission standard (in g/kN rated output) is--
--------------------------------------------------------------------------------------------------------------------------------------------------------
rPR <= 30................................ 26.7 < rO <= 89............. 40.052 + 1.5681[middot]rPR - 0.3615[middot]rO - 0.0018[middot]rPR[middot]rO
rO > 89..................... 7.88 + 1.4080[middot]rPR
30 < rPR < 104.7......................... 26.7 < rO <= 89............. 41.9435 + 1.505[middot]rPR - 0.5823[middot]rO + 0.005562[middot]rPR[middot]rO
rO > 89..................... -9.88 + 2.0[middot]rPR
[[Page 65824]]
rPR >= 104.7............................. all......................... 32 + 1.6[middot]rPR
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[FR Doc. C1-2012-13828 Filed 10-30-12; 8:45 am]
BILLING CODE 1505-01-D