Protecting Public Health and the Environment.
DEQ may require certain sources of air pollution to obtain Tier II permits. For example, DEQ might take this action as part of a State Implementation Plan designed to prevent further deterioration of air quality and to bring an area of the state back into compliance with the National Ambient Air Quality Standards (NAAQS). Tier II permits also may be issued to authorize an alternative emission limit for a particular emissions unit or units within a facility.
Certain facilities that emit air pollution in Idaho may choose to obtain a Tier II instead of a Tier I permit. The fees for Tier II permits are lower and the reporting requirements less complex than those required for Tier I operating permits. To qualify for Tier II status, a facility would agree to limit production and/or hours of operation, thus lowering its potential to emit pollutants below Tier I permit thresholds. This type of Tier II permit is also known as a synthetic minor source permit.
Procedures and requirements for Tier II operating permits are found in Sections 400-410 of the Rules for the Control of Air Pollution in Idaho.
Air modeling is required for certain permitting actions—including Tier II operating permits—to demonstrate that all applicable ambient air quality standards will be met if a proposed construction or facility modification is completed or that an existing facility is complying with the standards.
A DEQ guidance document has been developed to help air permit applicants understand DEQ’s expectations for ambient air impact analysis and prevent unnecessary delays in the permit process. The guideline describes in detail when modeling is required; explains applicable standards, methodology and analysis; and provides checklists and templates for conducting modeling and reporting modeling results.
Read these documents first to gain an understanding of the air quality permitting process:
PTC application forms and checklists are provided for sources requiring this permit. The first step to submitting a successful air quality permit application is to read, "Air Quality Permits: Applicant and DEQ Responsibilities." This document provides applicants a basic understanding of DEQ's air quality permitting process, describes applicant responsibilities, and explains how DEQ will interact with applicants throughout the permitting process. Applicants are encouraged to contact the Air Quality Division to discuss permit application requirements early in the application process.
No application fee is required for a Tier II permit application. A processing fee is assessed on the basis of emissions. DEQ calculates and assesses the fees according to the following schedule (fugitive emissions are excluded):
1 General permit facilities include portable concrete batch plants, hot mix asphalt plants, and rock crushing plants.
Make check payable to: Idaho Department of Environmental Quality
Send completed application and check to:Idaho Department of Environmental QualityAttn: Fiscal Office - Air Quality Program1410 N. HiltonBoise, ID 83706
Link to Access Idaho website athttps://www.accessidaho.org/ai/payport/online/deq/index.html(Note: Convenience fee of 3% applies to credit card payments, $5 to E-check payments.)
Contact Claudia Clark, DEQ Fiscal Officeclaudia.email@example.com(208) 373-0172
So long as DEQ determines no other review or analysis is required, the Tier II operating permit processing fee is not required when:
Note: This is a summary of Tier II operating permit requirements and is not intended to be all-inclusive. Detailed requirements are outlined in the Rules for the Control of Air Pollution in Idaho (IDAPA 58.01.01.400-410).
Air Quality Permitting Hotline1-877-5PERMIT (1-877-573-7648)Call to set up a meeting or ask air quality permitting questions.
Stationary Source Permit Program CoordinatorBill RogersDEQ State OfficeAir Quality Division1410 N. HiltonBoise, ID 83706(208) firstname.lastname@example.org
Air Quality Permitting Forms & ChecklistsAir Quality Dispersion Modeling