### -- 

## - -

c 0**~I** PAN Y



### November 25,2008

Mr. Richard Edgehill Air Quality Engineer San Joaquin Valley Air Pollution Control District 2700 M Street, Suite 275 Bakersfield, CA 93301 

# RECEIVED DEC - 3 2008 Air Division, AIR - U.S. EPA, REGION 9



### Subject: Mt. Poso Cogeneration Company; Request to Reduce Annual Potential to Emit Limits for NO x , S02 and CO; Add Monthly Record Keeping Requirements
Dear Mr. Edgehill: Thank you for the assistance and guidance you have provided to Wayne Terry and our permitting consultant, Dr. Ted Guth. Per direction from EPA's Laura Yannayon, Mt. Poso Cogeneration Company (MPCC) will:

• Agree to a reduction in the annual potential to emit (PTE) levels of NO x, 

### S02 and CO (rolling averages) to new limits based on the average of MPCC's 2004 and 2005 annual emission levels (see below).

• Agree to enforceable monthly recordkeeping to ensure rolling annual limits are met.
Current PTE's for NO x , 

### S02 and CO are 5l3,336lb/year, 255,281lb/year, and 440,628lb/year respectively. The annual emitted levels for 2004 and 2005 are shown below: Year 2004 387,278 125,576 173,298 2005 380,890 134,455 171,326 Average 384,084 130,016 172,312Mr. Richard Edgehill Air Quality Engineer San Joaquin Valley Air Pollution Control District Mt. Paso Cogeneration**Company~** Request to Reduce Annual Potential to Emit Limits for NOx, 

### 802 and CO; Add Monthly Record Keeping Requirements November 25,2008 

### Page 2

To have the desired action

- addition of biomass as a fuel- MPCC agrees to decrease its current PTE's in Ollr Permit To Operate/Title V Permit to levels equivalent to the averages of NO x and 80 2 from 2004 and 2005 PLUS 39.5 tons (79,000 lbs) and for CO to the average from 2004 and 2005 PLUS 99.5 tons (199,000 lbs). 111US tIle newly proposed PTE levels are as follo\\Ts; NO x 384,084 

### + 79,000 

### = 463,084 pounds/year 

### 80 2 130,016 

### + 79,000 

### = 209,016 pounds/year CO 172,312 

### + 199,000 

### = 371,312 pounds/year
Please refer any questions you have regarding this request during your re,'iew to Dr. Ted Guth at 619-987-1111. Mt. Paso thanks you in advance for the expeditious review of this request, as well as your continued support and guidance. Sincerely,
... 

# J. 1 

# o /J/JI! / 

# ! (r(>!-," 

## I

# Rogerf~ Allred ' Mt. Poso Cogeneration Company General Manager Title V Responsible Official

cc: R. Wayne Terry/V.P. Millennium Energy, LLC Dr. Ted GuthIPermit Consultant vCaura Yannayon/Environmental Protection Agency Region IX enclosures

## Mtc Poso Cogeneration 

### Compaf1y

For 12 months starting from January 2004 Device:
fVlass Total Emission, Hours 

### U.Ss tons Component: NOx Mass Rate Units: Ibfhr Valid Component Hours Availability, % rVionth



# ..... 

# --- ..... 

# ---....-.---- ......**-----~** January 2004 17.28: 744; 744; 100.00% February 2004 

### ··········1·7·.28;-···**·····696f-········69·6·f·······100~OOo/;·** March**2004f·········1·8·.·12r········744;·········739·r-·······99~33°}~**

April 2004 

## ············1·.ssT··**······433f·········429f········99~08°i;**

May 2004**··········1-8·.·03;-········740[····_····131[········99~59o/~** June 2004**··········17-.7Sr········720f·········71·2·r········98~89o/;** July 2004**··········1·8·.·391"········742;·········742·r·······10 o~oooi~**  August 2004 

### ··········1·7·

.. 

### 88;-···**·····143f·_·······i3·.:if········99~1·9°i;** September 2004**··········i·t~72r········71·Eff·········71·8·f······:f oo~oooi~**  October 2004**··_·_·····1·S·.0er---·····69S[·········S96·r······-1·0O~OOo/;** November 2004**··········1·S·.67T········71·4f·········71-4f·······10 o~oooi~**  December 2004**_·········1·6~77r········71·8f····_····71·8·f-······10O~OOo/;**

### 12MonthsTotall~~1_93_._64~~~~84_0_8~~~_8_3_8_2~;**~_9_9_.6_9_~~ol**

### Mt. Poso Cogeneration Company

For 

### 12 months starting from January 

### 2004 Device:
Mass Total Emission, Hours U.S. tons Component: 502 Mass Rate Units: 

### Ib/hr Valid Component Hours Availability, % Month Jan uary 

### 2004p--o-""5-
..**~8 7~:~-7~4~4~:** **--'7~4~4~: -1':"'l!0~)0""**  

### ..**Oo:"'!O~)o/""co** February 

### 2004 

## ···········5:721""·······6·96T·······6·S)"6;"'·····100·.·0'0'% Ma rch 

### 2004 

### ···········6 A01"""" '7"44 [ ·7"3·9"f"····**"9~3"'-3'3%**

April 

### 2004 

### ···········C5:51·T

.. 

## ··'····4":33T--·····4·;2·gT·'····gg·.-C)S·%

May 2004 

### ····,···'··S:1'7T·'·'·'··7·40[·'·····'7"3·S'r'······gg·.'7'3'% June 

### 2004**·········'·5:921""······f2·0~········7T2";"·--····98·.-S·9·%**

July 

### 2004 

## ···········5:981""····'··.7"42T·····'·74"2"f"····iocCo'o·%

# sep~:~~:;**~gg: :::::::::::~~~~I::::::::t:f:~f:::::::}}~:f:::::~~~~:J:~:~~I**  October 

### 2004 4.93: 696: 696: 

### 100.00% November 

### 2004**··,.······,4:62T·,,.··if4T··,···,··i1~r'·'··'foO".'6"6"%** December 

### 2004 

## ·,········'S:281·········ifst·······'7"fS·f·····1"oO·.·O'6"% 12 Months 

### rotail 62.79; 

### 8408: 8383; 99.70 

# %!

### fV1tr 

### Poso**Coger~eratuo'1** 

### Company

For 12 months starting from January 2004 Device:
Mass Total Valid Emission, Hours Hours U.S. 

### tons component CO Mass Rate Units: Ib/hr Component pt.vailability! 

### 0/

0 Month

### ..---------------~ January 2004

### J.}.:Q~j 

## ?4.4.L**J.~.~.L ~~:.1.~.O(o.**  February 2004 10.51 : 696: 696: 

### 100.000/0

- ., _ 

### -

_ -:- 

### - .:-
.. . tJiarch 2004 7.61:**744~** 738: 99.19%

April 2004**.~** .....**r_··O~89r·······4·3·3f·····_··42·9-r··-·--_·_-- ·-99~O·8·oio·** 

May 2004**···_·······7~30r-······~·i40·f········7·3·8·f··_·_···· ····99~7·3·oio·**  June 2004**···········4~82r·········i2(5r·-······7·1·2·f····-···-···-98~8·9·%·** 

### J u ty 

### 2004 ::::: 

# ::::::7.;**Q~r:::::::i.** 

# 4:?1:::::::**:Z;~~:r:::::::::** 

## j:**Q~L9~:cii.~** August 2004

.. _ .... _ ...**~:~~1.** 

## .. _ .. _

..**?4.~_t** 

## ... _ .....**~.~.7.~._** 

## .. __ ....**~~:_!_~.'Yc:** September 2004 6.66: 718: 718: 100.00% October 2004**····-··-··-7~22r·----···6-96~-·--····6·9·5·r--·---_·-·-·-99~8·6-o/~** November 2004**-_a·-·-·-_·7~50·~··_···--··Y1·4·r-··-···-7a14-r----·----·-10o~o·6·o/;** December 2004 -- ..**_-a-·--9~53T····_···i1·8;··--·-·-7·1-8-f--···---_· -1·00·.-o·o·** **io·**

### 12MonfusTo~II~~8_6_.6_5~~~_8_4_0~8~~_8_3_7_5~~~~_9_9_.6_1_o_~1

## Mtc Poso**Cogertierattior~** 

### Company
For 12 months starting from January 2005 Device:
Mass Total Emission, Hours U.S. tons COiTlponent: HOx Mass Rate lJnits' Ih/hr Valid Component Hours Availability, % f\1lonth



# ......**-~~.....--~** 

# ......**-~~--~~~** January 2005 16.92: 724: 724; 100.00% February 2005**··········14·.-86;-········651·r·········647·r········99 ~396i~**  March 2005**··········1·5·.·36:-········744:·········743·:········9 9~876i~** 

April 2005 ··.- ..**····1-1-.·s31···.·····71·9r·.·······71·9·r.·-·.· ·iOO~006i;** 

May 2005**············9-.-34r········43ir·········43S·r········99 ~54°i~**  June 2005**··········17·.·06:·········120:·········:j20·:·······1·oo~oooi;** July 2005**··········1·6-.-621"·······-744r·········739·r········99 ~33°i;**  August 2005**··········1·6·.-5·1r········709~····· ····7b-9·f···-···1·00~oooi;**  September 2005**··········1·s·.·i·1r········720·f·········72·0·r······ 10o~oooi;**  October 2005**··········1·1·.23:-········745:·········~l4·cf~········ 99~336i;** 

_ ..• - ;. .••..

_ ...• -- r .. - ......•••••.. a. ••• November 2005 15.63; 675: 675; 100.00°10 December 2005**···_······1·7·.281"········744[·····_···744·;··_····100 ~oooi~** **12MonthsTo~II~~1_9_0._4_5~~~83_3_2~;~_8_3_1_5~: ~_9_9_.8_0_o~~1** 

## r\!ttc P'OSO**Coger~eratio,n** 

### Company
For 12 months starting from January 2005 Device:
Mass Total Emission, Hours**U.S~** tons Component: 802 Mass Rate Units: tblhr Valid Component Hours Availabilit}',**o~** Month ...--.-....... 

# ............**-~** 

# .....**-~** 

# .....**..--------~** January 2005 5.82; 724; 724; 100,000/0 February 2005**············S·.3Sr········S51·r-········647-r········g 9~39°i~**  March 2005 

### ············S·.43r··-·····744[·········743-;······**··99:87o/~**

April 2005**··········~·6·.25T··_·····71·9f·_·······7f9·r·······ioO~OOo/~**

May 2005**··········_·3·:3·1r··-·····437~·········4·3·5·f······· 99~54°i~**  June 2005**············6·.071"·········720[·········720·r-······1·OO~OOo/;** July 2005 

### ·······_····6·.·071"········/44f·········740·[······**··99~46o/~** August 2005 

### ············S·.7Sr········Y09[·····**····7-6-9-f·······100~006i~** September 2005**············5·.·941"········720[--·······720·r··-····1-OO~OOo/~** October 2005**············S·.·OSr········74S[·········7·4"O·r········99~33o/~** November 2005**············5~37r········675f·········6··y3·f········9 9~70oi~**  December 2005 

## ············S·.·s·1T········744f·····**·····i44-f·······100~OOo;~· 12MonfusTo~II~~_67_._23~;~~83_3_2~;~_8_3_1_4~~~_9_9_.7_8_~_~l** **r~t~** 

### P'OSO Coget1eration 

### Company
For 12 months starting from January 2005 Device:
Mass Total Emission, Hours U.S. tons Component: CO Mass Rate LJnits: fb/hr Valid Component Hours Availability, 

### 0/

0 Month



## ....... 

# ---.....--- .............. 

# ----..---

......**---~** January 2005 9.17; 724; 724: 100.00%' February 2005 

## ············6·
..**12;-········651·r·········6·3·9·r······· ·98~1·66i~**  March 2005**············8·.·80;-········744[·········143·r········9 9~87°i~** 

April 2005 

### ··········1·0·
.. 

## 0·1;-···**·····71·9f····_····if9·f··_··_·100~OOo/~**

May 2005**············5·.·19r········437~····· ····435f········99~5.4°i~**  June 2005**············5·.·94r········720;··_···_··~l1·9·f········99~86o/;** July 2005**············1·.·1Sr········744[·········13·3f········g 8~52oi~**  August 2005**············1·.42r········709f·········io·Eff········g9~86o/~** September 2005 

## ··········_·5·.62:·**········720:·········72·6·:·······100~oooi~** *'

_ _ -

_ -:,_ - - _ - - _ j. _:".10( ""

_ _ . October 2005 

### 6.79: 745: 741: 99.460/0 November 2005**···········6·.·1S;-········67S-r·········6·.:i2·r········ 99~56·6i~**  December 2005**············7·.2Sr···-····744f·········743·r········99 ~87oi~** 

### 12MonthsTo~II~·**~~8_5._6_6~; ~_8_33_2~;~_8_2_9_6~~~_9_9_.5_7_o~~1**