May 15,2014 Mr. Kelly Serio UNITED STATES ENVIRONMENTAL PROTECTION AGENCY RESEARCH TRIANGLE PARK, NC 27711

Vice President/General Manager FormosaPlastics Corporation, Louisiana P.O. Box 271 BatonRouge, Louisiana 70821 Dear Mr. Serio: OFFICE OF AIR QUALITY PLANNING AND STANDARDS

Pursmmt to section 114 ofthe C:le:m Air Act (C:A A), the T TS**P.nvironmentr~l** Protedion Agen('.y (EPA) is collecting information to characterize hazardous air pollutant emissions from process vents at polyvinyl chloride and copolymer (PVC) production facilities. PVC production is subjectto the provisions of40 CFR Part 63, Subparts HHHHHHH and DDDDDD. The purpose ofthis request is to gatherprocess vent data and other information necessaryto inform our reconsideration ofthese emissions standards. We requestthe following testing be performed for your PVC production facility, Formosa Plastics Corporation, Louisiana- Baton Rouge, LA as specifically listed below and discussed in Attachment B (tables 1.1 and 1.6) ofEnclosure 1to this letter: Pollutants to be tested HCl TOHAP Dioxin Vinyl THC Chloride

We are also requesting other informationregarding PVC production at your facility and are providing the survey response forms inMicrosoft® Excel spreadsheet format. Test results that are collected using test methods that are supported by EPA's Electronic Reporting Tool (ERT) mustbe submitted using the ERT. We are also providing PVC process vent response forms in Microsoft® Excel spreadsheet format for test methods that are not supported bythe ER T. Please see Enclosure 1, Attachment B for specific ERT submission instructions. The requested testing is designed to collect information on emissions and other relevant aspects ofPVC process vents. Enclosure 1 contains a summary ofthe information we are requesting.

Internet Address (URL) • http://www.epa.gov Recycled/Recyclable • Printed wnh Vegetable Oil Based Inks on Recycled Paper (Minimum 25% Postconsumer)Supplemental information is contained inthe following enclosures: 

### Description Enclosure # Maximum Achievable Control Technology Enclosure 1 (MACT) Standards Development Information Collection Request Section 114 Authority and CBI claims Enclosure 2 CBI emissions data disclosure Enclosure 3 Designation ofERG as authorized representative Enclosure 4 Policies and Procedures for handling CBI Enclosure 5 Certification Statement Enclosure 6 2014 PVC 114 Process Vent Testing Workbook NIA 2014 PVC 114 Process Vent Testing Workbook NIA**~** Example

The testing request is designed to collect emissions information, which bylaw cannotbe confidential information. You are required to return all requested information on or before 

### November 17,2014. Please e-mail the completed non-confidential survey and testing workbook response to: 

### CCG-PVC@epa.gov There is a small amount ofinformation requested in the survey concerning production and production capacity which you may seekto claim as confidential. Ifyou are submitting confidential business information (CBI) as described inEnclosure 3, you must mail a separate CD-ROM or DVD-ROM disk containing only the CBI portion ofyour datato EPA. Clearly markthe disk withthe words "Confidential Business Information" and send viaU.S. Postal Service Express Mail, registered mail, orprivate courierto: Jodi Howard U.S. Environmental Protection Agency OAQPS/SPPD/RCG (Mail Code E143-0l) 109 T.W. Alexander Drive Research Triangle Park, NC 27711 DO NOT ELECTRONICALLY TRANSMIT CONFIDENTIAL BUSINESS INFORMATION TO EPA.Ifyouwould like to use the required Section 114 testingto satisfythe initial compliance requirements for process vents inthe PVCrules (40 CFRpart 63, subparts DDDDDD and HHHHHHH), please contact CynthiaKaleri at Region 6, at (214) 665-6772 or kaleri.cynthia@epa.govto discuss the requirements priorto beginning the 114testing. Be aware thatthere are significantpenalties for submitting false information, including the possibility offines and imprisonment as explained in Section 113 ofthe Clean Air Act (42 USC §7413). Failure to comply fully with this request for information may subject you to an enforcement action. We may use any information submitted inresponse to this request in an administrative, civil, or criminal action. Ifyouhave questions regarding this request, please contact Ms. Jodi Howard, Refining and Chemicals Group, at (919) 541-4607 or howard.jodi@epa.gov. Thankyoufor your assistance in this effort.

6 Enclosures Sincerely, 

# d lC)'ltJI;/rk;uw?a f/ Penny Lasit Vr ' Group Leader Refining and Chemicals Group Sector Policies and Programs Division

cc: Mary Bachynsky, FormosaPlastics Corporation, (electronically) w/Enclosures Steve Thompson, USEPA, Region 6, Air, Toxics & Inspections Coordination Branch, w/Enclosure 1 only Celena Cage, Environmental ScientistManager, LDEQ, Enforcement Division, w/Enclosure 1 only