UNITED STATES ENVIRONMENTAL PROTECTION AGENCY RESEARCH TRIANGLE PARK, 

### NC 277'I'I



# Ltfì 2

## B Zgt0 OFFICE OF AIR OUALITY PLANNING AND STANDARDS 

### Mr. John R. Hughes Eramet 

### Marrietta, lnc. 16705 Street Route 

### #7 South 

### Marietta, 

### Ohio 45750-0299 

### Re: Requirement to 

### provide 

### information according 

### to

### Title 42

### of the 

### United States Code, Chapter 85, Subchapter 

### I, Part

### A, section 7414 (42 

### U.S.C 7414) Dear 

### Mr. Hughes: Pursuant 

### to sèction 114 

### of the Clean

### Air Act (CAA), the 

### U.S. Environmental Protection Agency 

### (EPA) is requesting that you 

### provide the 

### information requested 

### in Enclosure 1

### tothis letter and 

### perform source testing as described 

### below and 

### in Enclosure 2to

### this 

### letter. We request thatyou return the response 

### to Enclosure 1

### by July 30,

### 2010. We also request thatyou submit the test results asdescribed 

### below and 

### in Enclosure 2 by 

### August 31, 2010. The emission sources to betested at

### your

### facility are listed 

### below. In cases where more than one source atyour plant may be a candidate 

### for testing, please use the

### following criteria to select thetested unit. 

### The unit is currently operating 

### (or

### will be operating 

### in the 

### next 3 months) 

### The unit processes the 

### dominant or major 

### product 

### (for example, 

### if the source produces 

### both Si and FeSi, and Si isthe 

### major product, thenthat 

### unit should be processing Si) The 

### unit should have the highest 

### or second highest 

### throughput rate The air 

### pollution control device 

### for the 

### unit is operating 

### normally. 

### If you believe that certain sources are representative 

### of theother sources andthattesting a subset 

### ofthe sources could be done and used

### to provide data and 

### information that

### would apply to other, untested sources, 

### EPA is

### willing to consider a proposal 

### from you 

### to do representative 

### testing. Such a proposal 

### would need 

### to show a

### similarity in raw materials, process equipment, emission 

### control device, and equipment size betweenthe sources and be approved by 

### EPA in 

### writing.Sources to be tested at Eramet 

### Marietta 

## 1. Scrubber 

### controlling 

### No. 12

### electric arc fumace, when 

### it comes back 

### on-line in the summer 

### of 2010. 

# 2. Coal used as raw 

### material for 

### No. 12 electric arc fumace.

lntemet Address (URL) 

### . htþ:/Arvww.epa.gov Recycled/Recyclable

. Printed with Vegetable Oil Based lnks on Recycled Paper (Mlnimum 25% Postconsumer) a a

a a2



## 3. Fabric 

### filter controlling the 

### metal oxygen 

### refining unit. 

# 4' Uncontrolled vent stack (one

### of four) from 

### No. 18 

### electric arc furnace 

### (if operational) 

## 5. Fabric 

### filter controlling the 

### product crushing system Enclosure 2 

### provides additional information on 

### pollutants to be tested, test procedures and methods, data 

### reporting requirements and 

### submittaiprocedures, and contact 

### information 

### for questions. Enclosure 3 contains asummary 

### of our legal 

### authority 

### in section 114 

### of the 

### CAA to obtain the 

### information that is 

### now being requested. 

### If you 

### bé[eve that 

### providing any specific 

### information to us

### would reveal 

### confidential information that 

### is

### either a-trad.esecret 

### or confidential business 

### information (CBI), please 

### identify this information clearly 

### in the test report thatyou submit 

### in response 

### tothis 

### request. En rlosure 3 describes thetype 

### of information that 

### EPA may ask

### ofyou at alater time to 

### prove that any 

### information 

### yor 

### nâi" so 

### identified is

### CBI or meets the 

### criteria for trade secret 

### protection. Any information determined 

### to be atrade secret 

### will be protected 

### by 18 

### U.S.C' 1905. 

### If you do not 

### claim as

### confidential any 

### of the 

### information you submit 

### in response 

### to this request, we can make the 

### information availaúle 

### to the 

### public without 

### notifyingyoufurther (40 CFR Part2.203, September 

### 1,1976). Because section 114

### of the 

### CAA does 

### not

### allow emissions datato be elaimed as

### confidential, the emissions data you 

### provide to us can be made available 

### to the 

### public. A detailed explanation 

### of what we considerto be emissions data 

### is contained 

### in Enclosure 

### 4. Pleasetake note 

### of Enclosure 4when 

### identifying any 

### information in your 

### submittalthat you are 

### claiming as

### confidential. We have contracted 

### EC/R Incorporated 

### (EC/R) (Contract 

### No. Ep-D- 07-ol9) to help us gather 

### information about

### your 

### industry. As noted 

### in Enclosure 5,we have designated EC/R to be 

### our authorized 

### representative. Therefore, EC/R has the same 

### rights discussed above and 

### in Enclosure 3 as

### EPA. This means that 

### EC/R

### will have access 

### to all information you provide 

### to us. 

### As a designated representative 

### of theAgency, EC/R must, 

### by law, also abide by the iequirements 

### of 42 U.S.C

### ' TaIa@) 

### in regard

### tothe 

### confidentiality ofwhatyou claim to be tráde secrers. Enclosure 6 summarizes our 

### policies and procedures

### for handling 

### CBI and trade secrets an<idescribes 

### how our contractor also is required to usethe same procedures aswe 

### do. Because our contractors or other 

### authoized representatives are required 

### to

### follow the requirements 

### in Enclosure 6, your 

### rights and any 

### privileged information you 

### submitto us

### will be protected. Each 

### facility subject 

### to emissions testing should prepare a

### site-specific test plan 

### prior to 

### testing.

### A site-specific test 

### plan addresses the 

### planning and 

### quality 

### ur.urur,." and 

### quality control procedures and acceptance 

### criteria for 

### all of the testing, 

### including the

### collection of process data. Please note that you do 

### not have 

### to submit atest plan 

### to EPA 

### foiapproval prior to testing. However, the 

### EPA Electronic Reporting

### Tool (ERT) Version 3, 

### inwhich 

### ËpA requires

### ttat data be reported, requires 

### that atest plan be entered 

### into the program 

### prior to submitting test results. Enclosure 7 provides an example 

### of the 

### EPA ERT 

### Version 3 test

### plan. Enclosure g provides guidance 

### for developing a

### site-specific test plan.a J 

### You are requested to 

### notify your State air 

### regulatory agency or designated 

### permitting authority at least 

### 27 days before the requested stack tests are scheduled to 

### begin. Detailed instructions on 

### how and where 

### to submitthe data are 

### provided 

### in Section 3.0 

### of Enclosure 2. 

### If you have questions regarding the need 

### forthis request or need 

### clarification on the 

### information we are requesting, please contact Cornad 

### Chin

### with EPA's Office of

### Air euality Planning and Standards at 919-5 

### 4r-15r2 (e-ma[: chin.conra<11@epa.-qov). please return the requested 

### information to 

### Mr, Chin atthe

### following address: 

## us EPA OAQPS/SPPD/MMG (D243_02) Research 

### Triangle Park,

### NC 2771I We request thatyou 

### returt the response 

### to Enclosure 1

### byJuly 30, 2010. We also request that you submit thetest results asdescribed 

### below and 

### in Enclosure 2 by Augus

## t 37, 2010. The 

### collection of the 

### information requested 

### in this letter is part 

### of 

### EPA's effoftto obtain the best 

### information available

### to develop the standard. 

### Your help 

### in 

### providingthis information is greatly appreciated. Sincerely,

Pe 

### Director Sector 

### Policies and Programs 

### Division 8 Enclosures Enclosure 

# 1: Information Collection Request Enclosure

# 2: Summary 

### of test procedures, methods, and 

### reporting requirements Enclosure

# 3: EPA's information gathering 

### authority Enclosure

# 4: clarification ofwhat 

### EpA considers to be emissions data Enclosure

# 5: Summary 

### of contractor's authority as representative 

### of 

### EpA Enclosure

# 6: Procedures 

### for safeguarding 

### CBI under the

### CAA Enclosure

# 7: Example 

### EPA ERT Version 3test plan 

### & list of required d,ata entry

### fields for data

reported 

### in ERT Enclosure

# 8: Site-specific test 

### plan development guidance 

### cc: Cheryl 

### Newton, U.S. Environmental protection Agency, Region 

### V Christina Wieg, Ohio EPA Robert Hodanbosi, 

### Ohio EPA