4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Hide and Seek? Final Revisions to 40 CFR Part 60 Subparts D, Da, Db, and Dc Promulgated “Under” MATS Rule
Posted: May 29th, 2012
On February 16, 2012, U.S. EPA finalized the National Emission Standards for Hazardous Air Pollutants From Coal and Oil-Fired Electric Utility Steam Generating Units (EGUs) under Part 63, Subpart UUUUU, otherwise known as the Mercury and Air Toxics (MATS) rule. […]
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SO2 NAAQS Stakeholder Workgroups: Party Like It’s 2010
Posted: May 29th, 2012
U.S. EPA has set the stage for 1-hour sulfur dioxide (SO2) NAAQS stakeholder workgroups to be held on May 30, May 31, and June 1, 2012.
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ALL4’s: Is That Your Final Answer?
Posted: May 28th, 2012
Test your knowledge across the environmental field, on the building blocks of air quality rules, on ALL4 general trivia, and with brain teasers that have perplexed us…Take on ALL4’s Is That Your Final Answer?
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“Soft” Engine Certification?
Posted: May 25th, 2012
I came across an interesting little tidbit recently during an engine permitting exercise here in Pennsylvania. A facility was seeking air quality permitting for a number of existing emergency generators each driven by a ~3,000 brake horsepower (bhp), diesel fuel-fired, U.S. EPA Tier II certified engine.
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Browsing the ADI Updates
Posted: May 25th, 2012
From time-to-time, U.S. EPA will publish a Federal Register notice announcing updates to the Applicability Determination Index (ADI). The ADI is a searchable database that contains memoranda issued by U.S. EPA…
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Area Source Boiler MACT Reminder
Posted: May 21st, 2012
The Area Source Boiler MACT (ASBM) rule became effective on May 20, 2011, with a compliance date of March 21, 2014 for all existing boilers located at area sources of hazardous air pollutant (HAP) emissions. Initial notifications were due
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Your Recipe For a Good Non-Hazardous Secondary Waste Determination
Posted: May 21st, 2012
In our last blog we talked about the need to be careful about the “ingredients” that make up the recipe of your alternate fuel so that you can be assured that you are firing a non-waste per the non hazardous secondary materials (NHSM) rule. How well you track your ingredients is part of a NHSM determination demonstration that includes the legitimacy criteria which are specified under 40 CFR Part 241.3(d)(1).
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So You Operate A CISWI Unit – What’s The Good News?
Posted: May 14th, 2012
Recall the March 2011 proposed Non-Hazardous Secondary Materials (NHSM), Commercial and Industrial Solid Waste Incineration (CISWI), and National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters (Boiler MACT) rules. A major concern for owners and operators
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Latest News On The 1-Hour SO2 NAAQS Implementation Process
Posted: May 10th, 2012
On April 12, 2012, U.S. EPA’s assistant secretary Gina McCarthy recently sent letters to States outlining updates to the implementation procedures of the 1-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). The major news
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ALL4’s Employee Spotlight: Susie Bowden
Posted: May 7th, 2012
Learn about ALL4 Project Engineer Susie Bowden in her Employee Spotlight!
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