Trinity Consultants is an international EHS consulting firm with an office in Washington, D.C. Trinity assists clients with air quality (air dispersion modeling; air quality permitting & compliance management; ambient/meteorological monitoring; emissions monitoring, reporting & testing management; LDAR support; and cap and trade support), water quality permitting and compliance, waste management support, engines/fuel support, noise & odor services, RMP/PSM support, and auditing & verification.