Public Notice Information
Ash Grove Cement Company - Louisville
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May 15, 2024
June 17, 2024


Nebraska Department of Environment and Energy
Permitting and Engineering Division

Notice is given to the public, according to Chapter 14 of Title 129 – Nebraska Air Quality Regulations as amended March 29, 2020 and Chapter 10 of Title 129 - Nebraska Air Quality Regulations as amended September 28, 2022, that the Department is proposing to issue a Class I operating permit to Ash Grove Cement Company (FID# 4129) for the operation of a Portland cement production facility and associated quarry (Standard Industrial Classification code {3241 Cement Hydraulic; 1422, Crushed and Broken Limestone}) located at 16215 Highway 50, Louisville, Nebraska. The potential emissions of regulated air pollutants (in tons per year (tpy)) at this facility will be: 3,738 tpy of Particulate Matter (PM), 1,392 tpy of PM ≤ 10 microns (PM10), 282 tpy PM ≤ 2.5 microns (PM2.5), 1,483 tpy Sulfur Dioxide, 4,367 tpy Oxides of Nitrogen, 5,341 tpy Carbon Monoxide, 160 tpy Volatile Organic Compounds, 44.70 tpy of Hydrochloric Acid and 17.20 tpy of Formaldehyde (largest quantity individual Hazardous Air Pollutant (HAP), 115.33 tpy total HAPs, and 1,215,038 tpy Greenhouse Gases CO2 equivalents (CO2e).

Cass County meets the National Ambient Air Quality Standards (NAAQS) for those pollutants subject to a NAAQS and is expected to continue in that status. Cass County is unclassifiable in regard to the state Total Reduced Sulfur (TRS) standards and no significant impact on these standards is expected from this project. No impact is anticipated on habitat for any rare or threatened species.

The NDEE proposes to issue a Class I operating permit with specific conditions, based on Title 129, which specifies the requirements from federal rules: NSPS (40 CFR 60) Subparts A, F, Y, OOO and UUU; NESHAP (40 CFR 63) Subparts A, LLL, and ZZZZ; (Title 129, Chapters 20, 21, and 32)*; Title 129, Chapter 15, Sections 001 and 003, and Chapter 2, Section 005, requirements; requires performance testing and opacity monitoring, and requires applicable recordkeeping and reporting.

The proposed permit and supporting materials are available for inspection by the public Wednesday, May 15, 2024, through Monday, June 17, 2024 at the office of the NDEE, 245 Fallbrook Boulevard, STE 100, Lincoln, Nebraska, and electronically at Comments received during this period will be considered prior to the final decision. During this period the applicant, or any interested person or group of persons, may request or petition the Director for a public hearing, the request must state the nature of the issues to be raised and all arguments and factual grounds supporting their position. If a public hearing is granted by the Director, the hearing will be advertised by public notice at least 30 days prior to the hearing.

Inquiries may be made at (402) 471-2186 or . Individuals requiring special accommodations or alternate formats of materials should notify the NDEE by calling (402) 471-2186. TDD users should call (800) 833-7352 and ask the relay operator to call the NDEE at (402) 471-2186. For further information, to submit comments, or request a hearing you may contact the NDEE by email “” or by mail submitted to the attention of David Christensen, Air Quality Division, P.O. Box 98922, Lincoln, Nebraska 68509-8922.

Please notify the NDEE if auxiliary aids, reasonable accommodations or alternate formats of materials are needed at least one week in advance. Contact phone number is (402) 471-2186. TDD users please call 711 and ask the relay operator to call us at (402) 471-2186.

The NDEE does not discriminate on the basis of race, color, national origin, disability, age, or sex in administration of its programs or activities, and NDEE does not intimidate or retaliate against any individual or group because they have exercised their rights to participate in or oppose actions protected/prohibited by 40 C.F.R. Parts 5 and 7, or for the purpose of interfering with such rights.

Within 60 days after the US Environmental Protection Agency Administrator review, persons may petition the Administrator to object to the issuance of the proposed permit. Any such petition shall be based only on objections to the permit that were raised with reasonable specificity during the 30-day comment period, unless the petitioner demonstrates that it was not practicable to raise such objection within such period. For specific dates for which the 60-day petition period is open, contact Pamela Ann Rzodkiewicz at (402) 471-2186. Petitions should be submitted electronically through EPA’s Central Data Exchange at . If the petitioner is unable to use the Central Data Exchange, EPA requests that your submission be emailed to . If petitioner is unable to submit electronically, then a hard copy of the petition can be submitted, please contact the permit writer above for EPA’s address.