Last fall, Rule Engineering was on-site in Colorado overseeing excavation for a gas station demolition and rebuild. Our team has been supervising ongoing excavations and trenching, and screening and collecting soil samples to assess petroleum impacts from known releases. Environmental due diligence and compliance are at the core of what we do. By carefully sampling… Continue reading 🚧 Fieldwork in Action 🚧
Category: Blog
💨 Big News for Colorado’s Air Quality! 💨
The Colorado Air Quality Control Commission adopted health-based benchmarks for five priority air toxics in late 2025 — Benzene, Formaldehyde, Hexavalent Chromium, Ethylene Oxide, and Hydrogen Sulfide. The changes fulfill a requirement from Colorado’s Public Protections from Toxic Air Contaminants Act (HB 22-1244) to establish science-based health standards. These new benchmarks set clear thresholds meant… Continue reading 💨 Big News for Colorado’s Air Quality! 💨
🚨 Colorado Update: New Methane Rules for Landfills 🚨
In December, CDPHE adopted Regulation 31, a new air quality rule targeting methane emissions from municipal solid waste landfills. What’s changing?✅ Applies to up to 32 of Colorado’s 82 municipal solid waste landfills by targeting facilities based on waste-in-place and methane emissions — expanding regulatory reach beyond federal minimums.✅ Establishes stricter gas collection and control… Continue reading 🚨 Colorado Update: New Methane Rules for Landfills 🚨
❄️ Happy Holidays from Rule Engineering!
We’re wrapping up the year with thoughtful solutions. Thank you to our clients, partners, and colleagues for another great year. We’re looking forward to continuing to support your environmental and compliance needs in the year ahead. We hope everyone had a Merry Christmas and a Happy Hannukah. Cheers and Happy New Year from the Rule Engineering… Continue reading ❄️ Happy Holidays from Rule Engineering!
🌿📐 Out in the Field, Precision Matters
Measuring more than just slopes — we measure peace of mind. Here’s one of our team members surveying an earthen embankment with a Trimble device as part of our regular inspection program. These efforts keep critical infrastructure safe, stable, and in compliance — all while giving us some great views! From site assessments and remediation… Continue reading 🌿📐 Out in the Field, Precision Matters
Colorado Water Well Permitting & Construction Rules Changed
As the year comes to a close, please remember this update for new wells in the new year: The Colorado Division of Water Resources (DWR) updated rules affecting how wells are permitted and constructed statewide. These updates raise the bar for protecting public health and groundwater quality across Colorado. Permitting Changes (HB25-1014, effective Aug. 2025)… Continue reading Colorado Water Well Permitting & Construction Rules Changed
🚨Reminder: EPA Update for Oil & Gas Operators
During Summer of 2025, the EPA extended major compliance deadlines for air regulations (NSPS, OOOOb/c), these have been finalized effective Dec 3, 2025: ⏳ Finalized deadlines: These extensions = more breathing room for planning, but compliance isn’t optional.👉 Need help updating your air compliance strategy? Reach out to us for a gap-check, next steps, or… Continue reading 🚨Reminder: EPA Update for Oil & Gas Operators
Introducing Ourselves
For over 25 years, Rule Engineering has supported industrial clients across the Mountain States plus Texas with: Our team is small but nimble 💪 — which means our clients get hands-on, field-savvy expertise and fast response times.





