Service · Permits & reports
Environmental permits & reports: COA, RETC and LAU
Obligations identified, filings submitted, and a calendar so you never scramble again.
In context
COA, RETC and LAU are acronyms that tend to show up late: when a requirement letter or an inspection arrives and the plant discovers obligations that were never filed. Which ones apply depends on your industry, emissions, and whether the source falls under federal or state jurisdiction.
We identify exactly which obligations your plant has, compile the technical information, submit the filings, and leave you a reporting calendar with due dates so the next submission isn't an emergency.
What we cover
Obligation assessment
Which filings apply to your plant given its industry, processes and jurisdiction.
LAU — Single Environmental License
Compilation and processing of the license for federal-jurisdiction fixed sources, or its state equivalent.
COA — Annual Operation Report
Annual compilation and submission with emissions, waste and transfer data.
RETC
Pollutant Release and Transfer Register: reporting of the listed substances.
Compliance calendar
Due dates, owners, and the information to gather before each submission.
The permits package
Filing and updates for COA, RETC and LAU. Obligations identified and reports submitted on time.
Deliverables
- Identification of applicable obligations
- Filing & submission (COA / RETC / LAU)
- Reporting calendar & due dates
What we need from you
- Industry / processes / inputs
- Previous permits and reports
- Operating data
Typical timeline
2–8 weeks (filing-dependent)
How we work
No noise: three verifiable phases. Deliverables defined before starting.
Step 1: Assessment
Operation + evidence + gaps prioritized by impact and urgency.
Step 2: Order + traceability
Structure, versions, records, full evidence index.
Step 3: Verifiable closure
Open items closed by criteria. Package audit-ready.
COA, RETC & LAU frequently asked questions
The Cédula de Operación Anual is the annual report of emissions, waste and transfers. Federal-jurisdiction sources, large hazardous-waste generators and facilities that discharge into national waters file it; Baja California also has a state COA for establishments under state and municipal jurisdiction. We determine whether your plant is obligated and at which level.
The federal COA is filed from March 1 to June 30 each year, reporting the previous year; Baja California's state COA has its own window, worth confirming with the state environment ministry (SMADS). Part of the deliverable is a calendar with your exact dates.
We assess the situation and regularize by filing what's applicable. Getting ahead of a requirement letter always gives you better options.
It depends on the industry and processes: certain industries are federal by law and the rest usually fall to the state. It's one of the first things we determine in the assessment.
From 2 to 8 weeks depending on the filing and the information available; most of the time usually goes into gathering the operation's technical data.
Let's talk about your next audit.
Tell us about your case. Within 24–48h you'll receive a written scope with deliverables, timeline, and pricing — no commitment.
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If you're not sure which service fits, we quote the minimum viable scope.