```

[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]

-----------------------------------------------------------------------

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
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                           and the rated output (in kN)
     If the rated pressure ratio is--                  is--                           The NOX emission standard (in g/kN rated output) is--
--------------------------------------------------------------------------------------------------------------------------------------------------------
rPR  89.....................  16.72 + 1.4080[middot]rPR
30  89.....................  -1.04 + 2.0[middot]rPR
rPR >= 82.6..............................  all.........................  32 + 1.6[middot]rPR
--------------------------------------------------------------------------------------------------------------------------------------------------------

    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  89.....................  7.88 + 1.4080[middot]rPR
30  89.....................  -9.88 + 2.0[middot]rPR

[[Page 65824]]

 
rPR >= 104.7.............................  all.........................  32 + 1.6[middot]rPR
--------------------------------------------------------------------------------------------------------------------------------------------------------

[FR Doc. C1-2012-13828 Filed 10-30-12; 8:45 am]
BILLING CODE 1505-01-D
```