On December 18, 2015, EPA issued information requests to E.I. du Pont de Nemours and Company and Denka Performance Elastomer, LLC (DPE) to obtain information necessary to determine compliance with the Clean Air Act, the emissions inventory requirements of the Louisiana State Implementation Plan, and the facility permit for the former DuPont, Pontchartrain Works facility, now the DPE – Pontchartrain Facility, in LaPlace, Louisiana. EPA received the last of the information from DPE – Pontchartrain Facility and DuPont during the week of March 14, 2016. EPA is currently reviewing this information.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Air Permit for DuPont Pontchartrain Works Neoprene Unit (PDF)(72 pp, 10 MB, June 19, 2015)
- EPA Information Request Issued to Denka Performance Elastomer (PDF)(11 pp, 471 K, Dec. 18, 2015)
- EPA Information Request Issued to DuPont Pontchartrain Works (PDF)(11 pp, 475 K, Dec. 18, 2015)
- Denka Response to Information Request (PDF)(12 pp, 471 K, Jan. 22, 2016)
- Denka Follow-up Response to Information Request (PDF)(5 pp, 135 K, March 24, 2016)
- Denka Response to Information Request for Data (PDF)(5 pp, 2 MB, March 30, 2016)
- DuPont Response to Information Request (PDF)(4 pp, 187 K, April 29, 2016)
- DuPont Supplemental Response to Information Request (PDF)(4 pp, 187 K, April 29, 2016)