See the latest EHS federal and state regulatory updates due to COVID-19


Local Highlights

Trinity staff bring extensive hands-on experience with Arizona environmental permitting and compliance. Since 2006, Trinity's Arizona office, based in Phoenix, has locally served clients on more than 1,100 projects in a wide range of industries.  With an in-depth knowledge of the local and federal permitting and compliance processes, we support industrial clients with authorizing capital projects and with enforcement negotiations in various jurisdictions in AZ (Pinal County, Pima County, Maricopa County, Gila River Indian Community) as well as EPA Region 9 and Arizona Department of Environmental Quality. Industries we serve:

  • Aerospace, Airlines, and Automobile
  • Aggregates, Construction, Cement and Concrete 
  • Data Center
  • General Manufacturing and Surface Coating
  • Electric Power Generation
  • Engine and Equipment Manufacturers
  • Mining, Minerals, Metals and Metal Products
  • Petroleum Refining
  • Semiconductor and Electronics

Specific skills and experience we offer our clients:

  • Air Quality Permitting, Compliance, Reporting and Dispersion Modeling - Local AZ permitting, Prevention of Significant Deterioration (PSD), Nonattainment NSR, air dispersion modeling (AERMOD, CALPUFF, HYSPLIT, HEM3 etc.), Title V permitting, and applicability determinations for federal and AZ-specific air standards. Annual/semiannual reports, emissions inventories, Tier II and toxic release reports (TRI), Greenhouse Gas Inventories (GHG), CEMS management
  • Environmental strategy, due diligence, and advocacy - Phase I/II Environmental Site Assessments, full risk impact evaluations, and valuating the true operating capacity of assets based on restrictions and representations in environmental documents and permits
  • Air Pollution Abatement Equipment and Exhaust Management - Acid gases, ammonia, and volatile organic compounds, minimizing impact to production, eliminate exhaust duct plugging, safety issues (including preventing potential fires and explosions), reduce stack visible emissions, and trouble-shoot air abatement equipment issues
  • Stormwater and Wastewater Management - We provide Arizona Pollutant Discharge Elimination System (AZPDES) support for stormwater, wastewater, and pretreatment permitting and compliance, Stormwater Pollution Prevention Plans (SWPPP) for Multisector General Permits (MSGP), and training
  • Spill Prevention - Spill Prevention, Control, and Countermeasure (SPCC) Plan support that includes plan preparation, review, employee trainings, and inspections; we are Arizona licensed professional engineers who can certify plans when required 
  • Hazardous Chemical Management and Release Reporting - developing Facility Response Plans, Emergency Response Plans, and Integrated Contingency Plans (ICP) for various industries
  • Multimedia Compliance and Due Diligence Auditing - Conduct effective compliance audits, determine compliance status, corrective action plans, and due diligence audits prior to mergers and acquisitions
  • National Environmental Policy Act (NEPA) and Environmental Impact Statement (EIS)- NEPA and EIS project management, documents, and analyses
  • Tank Emissions Analysis - Using the latest guidance and factors from EPA and BREEZE TankESP software 
  • Risk Management Plan (RMP)/ Process Safety Management (PSM) - Develop and implement PSM/RMP programs, including off-site consequence analysis modeling and performing Process Hazards Analysis (PHA), compliance audits for various facility types and RMP program levels.
  • Training and Staffing- Offer more than 300 professional training courses annually for EHS professionals, and custom training courses that range from one hour to several days. Also provide temporary or permanent staffing, see OneSource Service sheet for more details.
  • Odor and Noise Assessments - Conduct odor concentration modeling and predict the effect of different abatement strategies using SCREEN3, AERSCREEN, AERMOD, and CALPUFF; perform noise and vibration monitoring and impact assessments including predicting noise impacts, measurement and characterization of ambient sound levels, selecting noise mitigation, and architectural acoustics
  • Climate Change, Sustainability and Environmental Management Systems (EMS) - GHG emissions quantification, footprinting, mitigation, benchmarking, offset projects, and verifications; GHG BACT and control analyses; Life Cycle Assessments (LCA) and Environmental Product Declarations (EPD); Energy Efficiency Assessments; ISO 14001/18001/50001 program and EMS development, auditing, and support

For assistance with these or other Trinity Services, email Disha Gadre or contact us at 602.274 2900.

Arizona Environmental News

  • New MCAQD Requirement for Performance Test Protocol Submittals  - 

    The Maricopa County Air Quality Department (MCAQD) has a new requirement for performance test protocol submittals on the IMPACT portal. The IMPACT portal is designed to provide a user-friendly interface for industry representatives to submit »

  • ADEQ Proposed Underground Injection Control Program  - 

    The Arizona Department of Environmental Quality (ADEQ) is pursuing the development and administration of a state Underground Injection Control (UIC) permitting program. The UIC program regulates injection wells that are used to place fluid »

  • Maricopa County Proposed Updates to Surface Coating Operation Regulations (Rule 336)  - 

    The Maricopa County Air Quality Department (MCAQD) proposed revisions to Rule 336 regarding Surface Coating Operations. Specifically, MCAQD is proposing to lower Volatile Organic Compound (VOC) limits for three types of coatings based on EPA »

  • EPA Approves Arizona State Plan for Implementing NSPS Cf  - 

    On July 28, the U.S. Environmental Protection Agency (EPA) took final action to approve the Arizona state plan for the regulation of landfill gas and its components, including methane, from existing municipal solid waste (MSW) landfills. The final »

  • EPA Proposes to Retain Existing NAAQS for Ozone  - 

    On July 13, the U.S. Environmental Protection Agency (EPA) proposed to retain, without changes, the current 2015 National Ambient Air Quality Standard (NAAQS) for ozone. EPA stated that between 2017 and 2019, ozone concentrations fell four percent »

  • Method 9 Evaluation Requirements Still In Effect  - 

    With the new safety requirements and uncertainty surrounding COVID-19, obtaining and maintaining U.S. EPA Method 9 certifications may continue to prove difficult for the foreseeable future. Air quality permits may require evaluations conducted by »

More News

Trinity's Phoenix Location
Local Leadership
Disha Gadre
Managing Consultant
1661 E Camelback Road
Suite 290
Phoenix, AZ 85016
P: (602) 274-2900
F: (480) 222-4561
Upcoming Training in Arizona
Title V Compliance Workshop

- Phoenix, AZ

EHS Audit Skills and Techniques

- Phoenix, AZ

Advanced TRI Reporting Workshop

- Phoenix, AZ

Air Quality Permitting in Arizona

- Phoenix, AZ

Environmental Reporting Requirements in Arizona

- Phoenix, AZ

more training
Upcoming Seminars in Arizona
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