Sticky Situation: What You Should Know About PFAS
Posted: August 29th, 2019
Per- and polyfluoroalkyl substances (PFAS) are a group of more than 3,000 emerging contaminants that have been heavily utilized in a wide range of industries including military training, consumer product manufacturing, and emergency services. Although most of the releases have […]
Read articleCleaner Air Oregon Regulation: Call to Action and Lessons Learned So Far
Posted: August 28th, 2019
By now I’m sure you’ve heard of or already been involved in some aspect of Oregon Department of Environmental Quality’s (DEQs) new Cleaner Air Oregon (CAO) risk-based toxic air contaminant permitting program. You may also be asking yourself, when am […]
Read articleEvolution of U.S. Environmental Protection Agency’s Regulation of Greenhouse Gas Emissions from the Power Sector
Posted: July 31st, 2019
The final Affordable Clean Energy (ACE) Rule was promulgated in the Federal Register on July 8, 2019. The Federal Register notice officially repeals the Clean Power Plan (CPP), replacing it with the ACE Rule, and represents quite a change in […]
Read articleSetting Air Quality EH&S Budgets for 2020
Posted: July 18th, 2019
During “Budget Season”, many clients contact ALL4 and ask us to put our thinking caps on and to help them formulate environmental budgeting needs for up to 18 months out. While it is difficult to anticipate some of the regulatory […]
Read article2019 CISWI Standards: Technical Amendments (40 CFR Part 60 Subparts CCCC & DDDD)
Posted: July 16th, 2019
Following a series of comments from industry stakeholders and implementing agencies, the U.S. Environmental Protection Agency (U.S. EPA) published the June 2016 proposed amendments Commercial and Industrial Solid Waste Incineration (CISWI) Standards of Performance for New Stationary Sources (typically referred […]
Read articleQ&A With our Technical Director in Raleigh, NC – Amy Marshall
Posted: July 11th, 2019
Amy Marshall recently joined ALL4 as Technical Director, and has also opened an office in the Raleigh, NC* area. With 25 years of experience, Amy is well known to the regulated community. She started her career as a contractor for […]
Read articleCMS Daily Calibration Tolerances: Could You Be Operating to Double the Allowable Standard?
Posted: July 9th, 2019
Within various subparts of 40 CFR Part 63, there are General Provisions applicability tables, detailing which general provisions are applicable to the source category regulated by the corresponding subpart. The format and location of this table often varies between subparts, […]
Read articleEmission Event Investigations: What the TCEQ thinks you need to know
Posted: July 1st, 2019
ALL4 attended the Texas Commission on Environmental Quality (TCEQ) Trade Fair May 14-15, 2019 to stay up to date on changes in permitting and compliance. Although there were only a few updates regarding the minor New Source Review (NSR) application […]
Read articleNew Jersey CEMS Quality Assurance Requirements for Non-Operating Quarters
Posted: June 25th, 2019
On May 21, 2019, the New Jersey Department of Environmental Protection (NJDEP) Emission Measurement Section (EMS) issued clarifications to Technical Manual #1005 (TM1005). These clarifications were sent out via email through the EMS Listserv and are intended to provide clarification […]
Read articleTexas SIP Emission Inventory Revisions for Sites in Bexar County
Posted: June 13th, 2019
In case you have not been following, the U.S. Environmental Protection Agency (U.S. EPA) designated Bexar County (San Antonio area) as nonattainment for the 2015 eight-hour ozone National Ambient Air Quality Standard (NAAQS). This designation was effective on September 24, […]
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