Mr. Corey Childs General Manager J. L . French Corporation 20 Prestwick Drive Glasgow, Kentucky 42141
Dear Mr. Childs : Thank y ou for y our efforts in assisting with the March 1 8 , 2010 , site visit by U.S. Environmental Protec tion Agency (EPA) and R T I personnel to the J. L . French facilit y in Glasgow , Kentucky . We appreciate the time that you and other representatives at the J. L . French Corporation set aside for discussing and showing your manufacturing process. Enclosed is a draft of the trip report (Enclosure 1) that has been prepared based on the information obtained during our site visit. We would appreciate your reviewing the report for any errors or omissions. You may return the enclosed copy of the report with y our wri tten comments. Since this report will eventually become a part of the public record, we want to portray your operations as accuratel y as possible. A cop y of the final version of the report incorporating your comments will be sent to you for your records. The custod y receipt for the trip report is also enclosed (Enclosure 2). Please sign and date the form to acknowledge receipt of the report and return a cop y of the form to: Mr. Roberto Morales ; U.S. EPA Mailroom (C404

- 02); U.S. Environmental Protection Agency ; Office of Air Quality

Planning and Standards; 109 T.W. Alexander Drive ; Research Triangle Park, NC 27711

. If you believe that disclosure of an y specific information contained in the trip report would reveal trade secrets or other confidential in formation, you should clearly identify the specific information. Please do not label the entire report as “confidential” if only certain portions consist of trade secret information. If the EPA determines that there is a need to disclose such information, we will need, at that time, the following to support your claim: 1. Measures taken b y the J. L . French Corporation to guard against undesired disclosure of the specific information to others;OAQPS/SPPD/MMG:RBo yd D243

- 02, 541

- 1390

(RTI/DGreen/316

- 3412/ 7 / 22 /10) 2. The extent to which the specific information has been dis closed to others and the precautions taken in connection therewith; 3. Pertinent confidentiality determinations, if an y, by other Federal agencies (furnish a copy of any such determination, or reference to it, if available); and 4. Whether the J. L . Fr ench Corporation asserts that disclosure of the specific information would be likely

to result in substantial harmful effects on the J. L . French Corporation's competitive position, and, if so, what those harmful effects would be, wh y they should be viewed as substantial, and an explanation of the causal relationship between disclosure and such harmful effects. Any

specific information subsequently determined to constitute a trade secret will be protected under 18 U.S.C. 1905. If no claim of confidentiali ty accompanies the information when it is received b y EPA, it may be made available to the public by EPA without further notice (40 CFR Part 2.203, September 1, 1976). Any specific information subsequently determined to constitute a trade secret will be protected under 18 U.S.C. 1905. However, all emissions data will be available to the public. A clarification of the information EPA considers to be emissions data is contained in Enclosure 3. We respectfull y request that you submit your review comments on the trip report by August 2 6 , 20 10 . If y ou concur with the information contained in the report, we would appreciate a letter to that effect. In addition, please indicate in your letter the specific parts of the report, if an y, that the J. L. French Corporation considers to be confidential. If we do not receive a response b y August 26 , 20 10 , the report will be considered non

- confidential and accurate. Thank y ou for y our cooperation. The information supplied by the J. L . French Corporation will be most help ful in our study . If you have any questions, please call M s . Rochelle Bo yd of m y staff at (919) 541

- 1390 , or Mr. David Green at RTI at (919) 316

- 3412

. Sincerel y,

S usan Fairchild Group Leader Metals and Minerals Group Office of Air Quality

Planning and Standards 3 Enclosures