Document gbBb3eEvXEXLDEO7J36M7eB5L

April 18, 2018 Andrew Wheeler Deputy Administrator Mail Code 1102A Environmental Protection Agency 1200 Pennsylvania Avenue, N.W. Washington, D C. 20460 Dear Mr. Wheeler, The National Lime Association (NLA) would be greatly honored if you would accept our invitation to be the keynote speaker at our upcoming annual meeting in at the Westin Galleria in Houston, Texas on Wednesday, June 13. Our annual meeting brings together about 200 participants, including Board members and environmental and health and safety professionals in the lime industry. NLA is a trade association that represents U S. and Canadian commercial lime companies, as well as suppliers to the lime industry. NLA's members produce more than 98% of domestic lime valued at over $2 billion annually. Lime is an integral ingredient in many other manufacturing processes and industries. It is an important part of the steel manufacturing process, road building, and the creation of other building products like mortar and plaster. Lime is also integral in environmental compliance of many industries, as it is used to purify water, scrub pollutants from air stack emissions, and neutralize acid mine drainage. NLA and its members congratulate you on your confirmation as EPA's Deputy Administrator, and would greatly appreciate hearing your views on the current environmental issues facing the agency. If you have any questions about our invitation, please feel free to contact Bradford Frisby, Deputy General Counsel at NLA at! Ex. 6 jor via email at bfrisby@lime.org. We hope you will be able to join us at our meeting in Houston, and we wish you all the best in your new position at EPA. Sincerely, William Herz Executive Director National Lime Association 200 North Glebe Road, Suite 800, Arlington, VA 22203 * Ph 202.243.5463 * Fax 202.243.5489 * ww.lime.org Sierra Club v. EPA 18cv3472 NDCA Tier 7 ED 002061 00259614-00001