Iowa

From Prevention of Significant Deterioration (PSD) and Title V permits to Minor Source air permit and Small Unit Exemptions, we navigate the Iowa Department of Natural Resources (IDNR) air quality permitting process to accelerate approvals, minimize risk, and keep projects compliant across Iowa. Iowa-focused air dispersion modeling that meets IDNR’s requirements streamlines the permitting process. Our local Des Moines consultants can provide both major and minor source air dispersion modeling that meets IDNR’s requirements and streamlines the permitting process.

We deliver Iowa-specific environmental reporting—preparing and filing IDNR-compliant air, water, and waste submittals—so your operations meet state and federal deadlines with confidence. Trinity can support your annual Emissions Reporting submittals in SLEIS, Tier II, TRI, annual hazardous waste report, GHG, stormwater reporting, as well as Title V Permit Annual Compliance Certification and Semi-Annual Monitoring Reports.

Trinity Consultants supports Iowa facilities in meeting state and federal water quality requirements through permitting, monitoring, and compliance assistance. We help clients navigate programs such as NPDES direct discharge and stormwater permits and ensuring operations maintain compliance and protect local water resources. Comprehensive support for Spill Prevention, Control, and Countermeasure (SPCC), Facility Response Plan (FRP), and Stormwater Pollution Prevention Plan (SWPPP) development, review, and certification. Our experienced engineers help facilities stay compliant with EPA and state requirements while implementing practical spill prevention and response strategies tailored to their operations.

We provide LDAR monitoring and auditing services for industries subject to various equipment leak regulations and/or permitting requirements, including but not limited to NSPS Subpart VV/VVa/VVb, RCRA Subpart BB and NESHAP Subpart FFFF.

We provide OSHA Process Safety Management (PSM) and EPA Risk Management Plan (RMP) support services with a focus on engineering data integrity. Our primary service offerings include PSM and RMP Compliance Program Development, Compliance Audits, Risk Assessment / Process Hazard Analysis, Risk Management Plan Preparation and Submission, Relief Systems Design Evaluations, and Mechanical Integrity Inspections and Program Development. Our teams extensive experience in OSHA PSM and EPA RMP allow us to provide innovative service offerings tailored to our clients needs.

Our team delivers comprehensive industrial hygiene services to safeguard workers in chemical environments. With decades of experience and a team of board-certified health and safety professionals, we provide scientifically grounded solutions to assess exposure risks, and ensure compliance in complex operations. We specialize in identifying potential hazards, conducting field sampling, coordinating analytical testing, and recommending or validating controls to ensure exposures remain below occupational limits.