NOTICE OF AIR QUALITY PERMIT APPLICATION Imerys Perlite, USA In announces its intention to apply to the New Mexico Environment Department, Air Quality Bureau, for technical revision to Air Quality Permit #0071-M3 for its No Agua Perlite Mine and Mill. The expected date of application submittal to the Air Quality Bureau is August 13, 2018, The exact location for the proposed facility known a, No Agua te Mine and Mill, is a latitude 36, 45, 384" N and longitude -105, 57, 25. W. The location of the mine and mill is approximately 75 miles north of Tres Piedras off U.S. Highway 285 in Sections 11, 12, 13, 14, and 23, Range E Township 29N, of Taos county in New Mexico, The technical permit revision incdudes the suhstitution and addition of processing equipment (finishing sceens and conveyors) located inside the mill building. No proposed change in facility emissions is proposed with this technical revision. The estimated maximum quantities of any egulated air contaminant will be as follows in pound per hour (pph) and tons per year (tpy) and could change slightly during the course of the Department's review Pollutant: Total Suspended Particulates (TSP) PM 10 PM Sulfur Dioxide (SO) Nitrogen Oxides (NO) Carbon Monoxide (CO) Volatile Organic Compounds (VOC) Total sum of all Hazardous Air Pollutants (HAPs) Toxic Air Pollutant (TAP) Green House Gas Emissions as Total COe Pounds per hour 410.1 pph 128.0 pph 29.3 pph 5.0 pph 4.0 pph 9.5 pph 2.3 pph 1.0 pph Tons per year 2578 tpy 137.0 tpy 55.7 15.6 tpy 12.6 tpy 73tpy 1.0 tpy n/a 75,000 tpy The Imerys Perlite - No Agua Perlite Mine and Mill is permitted to operate 24 hours per day, 7 days per week, 52 weeks per year for a maximumof 628) hours per year The owner and/or operator of the Facility is: Imerys Perlite, USA Inc. P.O. Box 338 Antonito, CO 81120 If you have any comments about the construction or opcration of this facility, and you want your comments to be made as part of the permit review process, you must submit your comments in writing to this address: Permit Programs Manager; New Mexico Environment Department: Air Quality Bureau; 525 Camino de los Marquez, Suite1: Santa Fe, New Mexico; 87505-1816; (505) 4764300; 1 800 224-70%; https://www.env nm.gov/aqb/ permit/aub draft permits html. Other comments and questions may be submitted verbally Please refer to the company name and site name, or send a copy of this notice along with your comments, since the Department may have not yet received the permit application. Please include a legie return mailing address with your comments. Onke the Department has performed a preliminary review of the application and its air quality impacts, the Department's notice will be published in the legal section of a newspaper circulated near the facility location General information about air quality and the permitting procss can be found at the Air Quality Burnau's web site. The regulation dealing with public participation in the permit review process is 20.2.72.206 NMAC. This regulation can be found in the Permits section of this web site Attención Este es un aviso de la oficina de Calidad del Aire del Departamento del Medio Ambte de Nuevo México, acerca de las emisiones producidas por un establecimiento en esta área. Si usted desea información en español, por favor comuníquese con esa oficina al teléfono 505-476-5557 Notice of Non-Discrimination NMED does not discriminate on the basis of race, color, national origin, disability, age or sex in the administration of its programs or activitics, as required by applicable laws and regulations, NMED is responsible for coordination of compliance efforts and receipt of inquiries concerning non-discrimination requirements implemented by 40 C.F.R. Part 7, including Title Vi of the Civil Rights Act of 1964, as amended; Section 04 of the Rehabilitation Act of 1973; the Age Dismimination Act of 1975 Title IX of the Education Amendments of 1972, and Section 13 of the Federal Water Pollution Control Act Amendments of 1972 If you have any questions about this notice or any of NMED's non- discrimination programs, policies or procedures, you may contact: Kristine Pintado, Non-Discrimination Coordinator, New Mexico Environment Department, 1190 St. Francis Dr., Suite N4050, P.O. Box 5469, Santa Fe, NM 87502, (505) 827-2855, discriminated against with respect to a NMED program or activity, you may contact the Non-Discrimination Coordinator identified above or visit our website at complaint of discrimination. If you believe that you have beern to learn how and where to file a