USEP A Headquarters 

Mr. James Covington 

US EPA I Ieadquarters 

Urgent: Request for Release of Information 

From Docket No. EPA-HQ-OW-2009-0819 

***PROMPT RESPONSE REQUESTED*** 

Dear Ms. Alicea-Yirella and Mr. Covington: 

Our facilities provided information that is being used to inform EPA's development of the 

proposed revision of the effluent limitations guidelines and standards for the steam electric 

power generating point source (ELG Rule). The facilities listed below either responded to earlier 

ELG Rule questionnaires to the industry or provided information to you through other means, 

such as site visits or separate information requests. The specific facilities in question are as 

follows: 

The Southern Indiana Gas and Electric Company (dba Vectren Power Supply) A. B. 

Brown Generating Station in West Franldin, IN (NPDES # IN2650812) and F. B. Culley 

Generation Station in Newburgh, IN (NPDES #IN2870800), received an El1 A ELG Rule 

site visit, or otherwise provided data for the rulemaldng record during the 2007 Water 

Survey and/or the 2010 Water Effluent ICR. 

We have identified certain record documents which we believe contain information reported by, 

or derived from data or information reported by, one or more of our facilities. EPA has redacted 

all or portions of these documents as "confidential business information" (CBI). 

We are requesting that you provide to us all information related to the facilities listed above 

(including information that EPA has derived from information obtained from our and 

li·om all other sources, and including facility-specific or facility-derived information in input 

files to the listed documents) contained vvithin the following documents: 
1959 (DCN SEQ 1825A 75) Bottom Ash Wet Sluicing O&M Costs 

1959 (DCN SEQ 1825A 76) Bollom Ash Remote IviDS Capital Costs 

1959 (DCN SEQ 1825A 77) Bottom Ash Wet Sluicing O&M Costs 

1959 (DCN SEO 1825A 78) Bottom Ash Remote M DS Capital Costs 

1977 (SE0290Q) CBI Stearn Electric Pollutant Loadi ng Model for FGD Wastewater 

1984 (SE02899) CBI Stearn Electric Pollutant Load ings Model for Ash Transport 

Water 

1986 (SEO 1756) CBI f-uture Profile FGD Loads 

2 1 Q4 (SEQ2897) CBI Steam Electri c Cost Model (FGD and Ash Transport Water) 

2 1 Q5 (SEQ2898) CBI Steam Electric Cost Model (FGD and Leachate) 

2 12 1 (SE03804) CBI Data Dictionary for the PGD and Ash Cost Model 

2 157 (SE02988) Cl11 Loads Ca lculation Database for Options I, 2, 3, 4, and 5 

2159 (SE03508) CBI Loads Ca lculation Database f-uture Profile - IPM Only 

2 19 1 (SEQ3879) CBI Bottom Ash Management Determination Calculations 

2 195 (SE03507) Loads Calculation OatH base - Questionnaire and I PM 

2 197 (SE03 552) CBI EA Report Ca lculations Database 

22Q I (SEQ3895) CBI Loads Ca lculation Database for Options 3a, 3b and 4a 

22 1 Q (SEQ2129) CBI Memorandum to the Steam Electric Rulemaking Record: New 

Source Performance Standards Costing Memorandum and 

A llachment 

2252, 2252. 1 (SEO 1957, CBI Incrementa l Costs and Pollutant Remova ls for Proposed ELGs 

SE1957A l) Report and Attachment 

2256 (SEO 1957) CBI Incremental Costs and Pollutant Remova ls 

Please include all information fi·01n these documents that relates to our fac il ities. For example, 

our iliti es supplied information about existing control technologies. Through this request, we 

are requesting not only the control technologies information supplied by our facilities, but also 

control technologies information about our facilities derived from other sources, as well as all 

EPA-developed information relating to our control technologies, including EPA's assessments of1 

future technology choices for our facilities based on the various rule options. 

For each document, as appropriate, please also include: (I) a legend which explains each 

column heading and each abbreviation used throughout the entire document; and (2) a list of all 

formulas applied in the document and a legend for any abbreviations used in the formulas. The 

legend and formula info rmation is key to understanding these documents. 

We make this req uest without waiving any of our CBl designations. Decause you are providing 

the information only to us, there is no breach of contidentiality and no wa iver of CBl protections. 

Furthermore, we are not requesting CBl information, or CI31-clerived information, from other 

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If you have any questions about this request, please call or email me. I look forward to your 

prompt response. Thank you very much for your help. 

Sincerely, 

0 (!JJ, /- c -tn_()/)d---""119 v 

Lisa C. Messinger, CI IMM 

Manager, Utility Environmental Compliance 

Vectren Corporation 

812-491-4666 

lmessi nger@vect ren .com 

29142.070329 Eivll,._US 45334986v2 

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