Public Hearing: Croda Inc. Federally Enforceable 7 DE Admin. Code 1102 Application

Date and Time:
Tuesday, June 29, 2021
6:00 pm


, Delaware

The Division of Air Quality will conduct a public hearing (Docket #2021-P-A-0014) on an application by Croda Inc. for a federally enforceable 7 DE Admin. Code 1102 construction permit for its facility at 315 Cherry Lane, New Castle. Public comment period closed.

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Croda Inc. has requested a federally enforceable 7 DE Admin. Code 1102 construction permit [Permit: APC-2016/0068-CONSTRUCTION (Amendment 4) (NSPS) (MACT) (VOC RACT) (MNSR) (FE)] for modification of a 30,000 ton per year (TPY) ethylene oxide (EO) plant at 315 Cherry Lane, New Castle.

Modifications to the permit, in accordance with the permit application and Settlement Agreement of February 26, 2021, will include:

  • Emissions from the Drying Column Hotwell will be rerouted, and no longer emitted. All references to the Hotwell will be removed from the permit.
  • Emissions limits from the Vent scrubber will remained unchanged, however the percent VOC reduction shall increase from 95% to 99%, and the scrubber shall be operated within parameters set by performance testing.
  • Emissions from the Ethanol Dehydration Furnace (EDF) shall be increased due to an error in the current permit as follows: CO from 0.46 lb/hr and 2.0 tpy to 1.0 lb/hr and 4.5 tpy, NOX from 0.33 lb/hr and 1.4 tpy to 0.74 lb/hr and 3.2 tpy, SO2 from 0.014 tpy to 0.0073 lb/hr and 0.29 tpy, VOC from 1.0 lb/hr and 4.5 tpy to 1.3 lb/hr and 5.7 tpy, and PM10 from 0.04 lb/hr and 0.18 tpy to 0.093 lb/hr and 0.41 tpy.

Upon completion of construction, the Department will incorporate the operating conditions and limits of the 7 DE Admin. Code 1102 Construction permit into the facility’s existing Title V permit (Permit: AQM-003/00058) via an Administrative Amendment.

For additional information, or for information regarding how you can inspect the application, please contact Tracy Mattson at (302) 739‑9402.

Those wishing to offer verbal comments during DNREC virtual public hearings must pre-register no later than noon on the date of the virtual hearing at or by telephone at 302-739-9295.

Written comments will be accepted through close of business on Wednesday, July 14, 2021, by email to, using the online form at, or by U.S. mail to the address below.

Docket #2021-P-A-0014

Public Hearing Officer

Lisa Vest
DNREC Office of the Secretary
89 Kings Highway
Dover, DE 19901

Transcript, Hearing Officer’s Report and Secretary’s Order

Public Hearing Transcript

Hearing Officer’s Report

Secretary’s Order No. 2021-A-0023 — Approving the application of Croda, Inc., for modification of the existing federally enforceable 7 DE Admin. Code 1102 Construction Permit (APC-2016/0068-CONSTRUCTION [Amendment 4] [NSPS] [MACT] [VOC RACT] [MMNSR] [FE]) for the 30,000 tons per year (“TPY”) Ethylene Oxide (“EO”) plant located at the Atlas Point facility, 315 Cherry Lane,
New Castle, Delaware. (Effective Date: Aug. 17, 2021)

DNREC Exhibits

Exhibit 1: Permit Modification Application

Exhibit 2: Revised Permit Modification Application Cover Letter

Exhibit 3: Legal Notice – Delaware State News

Exhibit 4: Legal Notice – News Journal

Exhibit 5: Technical Memorandum

Exhibit 6: Draft/Proposed Construction Permit

Exhibit 7: State Public Meeting Calendar Notice

Exhibit 8: DNREC Public Notice

Exhibit 9: DNREC Public Hearing Webpage (this page)

Exhibit 10: EPA Response – Draft-Proposed Permit – No Comments

Exhibit 11: DNREC Public Hearing Presentation

Applicant’s Exhibits

Exhibit 1: Croda Inc. Presentation

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