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Raven Northbrook
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February 26, 2020
March 27, 2020


Nebraska Department of Environment and Energy
Air Quality Division

Notice is given to the public, according to Chapter 14 of Nebraska Administrative Code Title 129 - Nebraska Air Quality Regulations, that the Department is proposing to issue a construction permit to Raven Northbrook LLC (FID 108432) a data center (Standard Industrial Classification code 7373) located at 14734 Friend Plaza, Papillion, Sarpy County, Nebraska for the addition of 36 Type 1 diesel emergency generators. The anticipated change in emissions of regulated air contaminants in tons per year (tpy) due to the proposed modification at this facility will be: 7.40 tpy of Particulate Matter (PM); 7.40 tpy of PM ≤ 10 microns (PM10); 7.40 tpy PM ≤ 2.5 microns (PM2.5); 0.13 tpy Sulfur Dioxide; 116.27 tpy Oxides of Nitrogen; 22.39 tpy Carbon Monoxide; 10.19 tpy Volatile Organic Compounds; 0.05 tpy of Benzene; and 0.11 tpy total HAPs.

Sarpy County meets the National Ambient Air Quality Standards (NAAQS) for those pollutants subject to a NAAQS and is expected to continue in that status. No impact is anticipated on habitat for any rare or threatened species.

The Department proposes to issue a construction permit with specific conditions, based on Title 129, which increases the facility wide diesel fuel limit and allows for the construction of an addition 36 Type 1 diesel emergency generators.

The proposed permit and supporting materials are available Wednesday, February 26, 2020 through Friday, March 27, 2020 at the NDEE, Suite 400, 1200 "N" Street, Lincoln, Nebraska, and electronically at Only comments received by the Department during this period on new and significantly revised conditions to the previous construction permit(s) will be considered. 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 be in writing and 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 NDEQ by email “” or by mail submitted to the attention of Gary Buttermore, Air Quality Division, P.O. Box 98922, Lincoln, Nebraska 68509-8922.