Modeling Update-

The Odyssey Continues

The Odyssey Continues

Dom Ruggeri, P.E.

Air Permits Division

Texas Commission on Environmental Quality

Advanced Air Permitting Seminar 2014

Presentation Topics

RoadMap

TCEQ Modeling Guidelines

StaffExamples

EPA’s Roadmap for …

Research

Models and Tools

GAQM

Other Rules

TCEQ Modelin

gGuidelin

es

TCEQ Modeling Guidelines

Applicant Concern Staff Challenges

AUDIT

RULES

STANDARDS

PROCEDURESCOMPLIA

NCE

Certainty

Flexibility Quick

Easy

Applicant Expectations

Environmental Impact

Economic Benefit

Balance

Introduction - Staff Examples for FAQs About …

PM2.5

Ozone

Ambient Air

Monitors

NO2Ozone Questions:

• Screening• Ozone analysis• Quantitative analysis• Qualitative analysis

NO2 Questions:

• Intermittent emissions• In-stack ratio• Ambient ratio• Background ozone analysis• NOx-to-NO2 conversion

PM2.5 Questions:

• SILs• Precursors• Secondary formation• Quantitative , qualitative,

hybrid analysis• Increment

Ambient Air Monitor Questions:

• Representative• Justification• Design value• Background air quality

Questions?

Contact Information

Dom Ruggeri Manager – Permit Support Section

(512) 239-1508

dom.ruggeri@tceq.texas.gov

Daniel Menendez Team Leader - Air Dispersion

Modeling Team (512) 239-1537 daniel.menendez@tceq.texas.gov

Air Permits Division

(512) 239-1508dom.ruggeri@tceq.texas.gov

Dom Ruggeri

Air Permits Division

Daniel Menendez

(512) 239-1537

daniel.menendez@tceq.texas.gov