4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
ALL4’s: Is That Your Final Answer?
Posted: April 30th, 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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Check Out the Ingredients For This Recipe
Posted: April 26th, 2012
Any good cook is always a little fussy when preparing their favorite recipes, the ingredients need to be fresh and from a trusted source. After all, the guest’s experience with the food reflects directly on the cook’s reputation. Well it is no different in the industrial sector…
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A Fundamental Major NSR Applicability Question
Posted: April 20th, 2012
Here’s a question that we hear all the time related to changes at existing major stationary sources…Why do I have to do a New Source Review (NSR) applicability evaluation when my modification project will result in emissions that are less than my current permit limits?
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Urgent – SO2 Implementation Update
Posted: April 20th, 2012
U.S. EPA has recently provided state air quality regulatory agencies with an update of the sulfur dioxide (SO2) 1-hour National Ambient Air Quality Standard (NAAQS) designation process. The significant news is that U.S. EPA will no longer require that air dispersion modeling for individual facilities
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Don’t Get Caught Sleeping – The RICE MACT Compliance Date Will Be Here Before You Know It
Posted: April 19th, 2012
Are you subject to the RICE MACT? No? Are you sure? The term “RICE MACT” refers to the National Emission Standards for Stationary Reciprocating Internal Combustion Engines (RICE), codified at 40 CFR Part 63, Subpart ZZZZ. The RICE MACT rules […]
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U.S. EPA Takes Exception to PADEP Air Quality Permitting Streamlining Provision
Posted: April 19th, 2012
Back in 2008 the Pennsylvania Department of Environmental Protection (PADEP) adopted amendments to its “Plan Approval” regulations codified at 25 Pa. Code 127, Subchapter B, adding provisions intended to streamline the process for certain air permitting actions in Pennsylvania.
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U.S. EPA Proposes the Long Awaited Amended HMIWI Federal Plan and Makes a Few Tweaks to the HMIWI NSPS
Posted: April 16th, 2012
U.S. EPA proposed amendments on March 28, 2012 to the Federal Plan (40 CFR Part 62 Subpart HHH). The Federal Plan implements emission guidelines for existing hospital, medical and infectious waste incinerators (HMIWI).
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U.S. EPA Proposes First NSPS For Greenhouse Gas Emissions
Posted: April 13th, 2012
A major event in the Climate Change arena occurred on March 27, 2012 when, for the first time, U.S. EPA proposed New Source Performance Standards (NSPS) for emissions of carbon dioxide (CO2).
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Environmental Aspects of Shale Gas Development
Posted: April 6th, 2012
Recently, ALL4 attended a conference titled “Environmental Aspects of Shale Gas Development” hosted by the Mid Atlantic States Section (MASS) of the Air and Waste Management Association (AWMA).
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U.S. EPA Classifies Fracking Equipment as Non-Intermittent
Posted: April 5th, 2012
U.S. EPA has determined that emissions from drilling and well completion equipment at high-volume hydraulic fracturing (fracking) operations should not be considered intermittent emissions sources in relation to dispersion modeling for short-term…
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