County of Imperial

Air Pollution Control District Hearing Board Hearing

Wednesday, May 7, 2025 at 12:00 p.m.

NOTICE IS HEREBY GIVEN that a public hearing will be held on Wednesday, May 7, 2025 at 12:00 pm at the Imperial County Air Pollution Control District (ICAPCD) located at 150 South 9^th St., El Centro, CA 92243.  The purpose of this hearing is to consider a request by the General Services Administration (GSA) / BRCS located at 1699 E. Carr Road, Calexico, CA, for a Regular Variance (02-25REG).  The requested Regular Variance is for Permit Conditions B.9 and D.17 of Permit to Operate (PTO) No. 2507A-3, pertaining to only the nitrogen oxides (NOx) emission limit and testing requirements.

The Permit Conditions are listed below: 

 

B.9.      The Detroit 568hp emergency diesel engine shall be limited to emit 9.44 lb/hr of NOx, 3.79 lb/hr of CO and 1.25 lb/hr of PM.

 

D.17    Permittee shall demonstrate compliance with the NOx and CO limits for the Detroit 568hp diesel engine through emission compliance testing not less than once every 36 months. All emission rates shall be based on an hourly average. The frequency of compliance testing may be extended to not less than every 60 months if the emergency diesel engine operates less than 500 hours per 12 month calendar period (as demonstrated by operational logs and based on most recent

source test data) and which emit less than 5 tons of NOx per 12 month calendar period.

 

Documentation in support of this request is on file at the ICAPCD office, located at 150 South 9^th St., El Centro, CA 92243.

 

All interested persons desiring to present evidence on this term may appear at the hearing, and upon being sworn, may provide testimony. 

For additional information, contact the ICAPCD at 442-265-1800.

THE HEARING BOARD OF THE

IMPERIAL COUNTY AIR POLLUTION

CONTROL DISTRICT

By: Cassi Justice

Clerk of the Hearing Board

Date: April 15, 2025

County of Imperial

Air Pollution Control District Hearing Board Hearing

Wednesday, April 30, 2025 at 12:00 p.m.

NOTICE IS HEREBY GIVEN that a public hearing will be held on Wednesday, April 30, 2025 at 12:00 pm at the Imperial County Air Pollution Control District (ICAPCD) located at 150 South 9^th St., El Centro, CA 92243.  The purpose of this hearing is to consider a request by United States Gypsum Company (USG), located at 3810 W. Evan Hewes Hwy. in Imperial, CA for a Regular Variance (01-25REG).  The requested Regular Variance is for Condition B.2 of Permit to Operate No. 3542 as it pertains to the daily PM10 emission limit for Kiln #3 at the facility, which is listed below: 

 B.2      Kiln # 3 shall not exceed the following emission limits when siloxane is used in the Wallboard process:

  

 

Documentation in support of this request is on file at the ICAPCD office, located at 150 South 9^th St., El Centro, CA 92243.

 

All interested persons desiring to present evidence on this term may appear at the hearing, and upon being sworn, may provide testimony. 

For additional information, contact the ICAPCD at 442-265-1800.

THE HEARING BOARD OF THE

IMPERIAL COUNTY AIR POLLUTION

CONTROL DISTRICT

By: Cassi Justice

Clerk of the Hearing Board

Date: April 2, 2025