Environmental compliance, built on operational rigor.

T4 Environmental LLC is a results-driven environmental consulting firm that directs complex compliance, hazardous waste, and emergency response programs for major military installations, the Department of War (DoW), the Department of Homeland Security (DHS), NASA, and other government entities. This site serves as the firm's public portfolio — a single, precise reference for the programs we lead, the interventions we deliver, and the instruction we provide to units, tenant organizations, contractors, and base personnel.

It is built for installation environmental managers, facility planners, contracting officers, and project leads who need a dependable partner across the full compliance spectrum — from RCRA hazardous waste determinations and 40 CFR / 49 CFR / 29 CFR oversight to spill response, SPCC and storage tank programs, EPCRA reporting, and respiratory protection program management. Whether the need is program-level leadership, a capital improvement initiative, or classroom and field instruction, the firm translates regulatory rigor into measurable operational results.