4 The Record is a publication from ALL4’s team that takes an in-depth look at technical and regulatory topics.
Revisions to Proposed California Hazardous Waste Generator Rules
Posted: July 11th, 2023
Changes proposed to California’s hazardous waste program earlier this year are now undergoing a proposed modification and the revisions are open to public comment until July 20, 2023. The United States Environmental Protection Agency implemented the Hazardous Waste Generator Improvements […]
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Data Quality Part 4: The Qualitative Components: Representativeness and Comparability
Posted: July 6th, 2023
We started this journey with the following thought: Defining data quality and implementing a data quality program furthers the goal that the data collected serve the intended purpose, i.e., informed decision making. Up to this point, we’ve defined data quality, […]
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How to Properly Locate Stack Monitoring Equipment
Posted: July 5th, 2023
One of the biggest challenges with any continuous monitoring system (CMS) is the collection of representative data. While the technology has been around for decades, it continues to suffer from several issues such as low flow rates, non-laminar flow, sample […]
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U.S. EPA Proposes Electronic Reporting Requirements for RICE
Posted: June 28th, 2023
On June 26, 2023, the U.S. Environmental Protection Agency (U.S. EPA) proposed revisions to the following 40 CFR Part 60 [Standards of Performance for New Stationary Sources, also referred to as New Source Performance Standards (NSPS)] and 40 CFR Part […]
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Proposed Rule to Control Emissions from Flares in Ventura County, California.
Posted: June 28th, 2023
Under California Assembly Bill 617 (AB 167), Air Districts in nonattainment for one or more air pollutants were required to adopt an expedited schedule by January 2021 for the implementation of Best Available Retrofit Control Technology (BARCT)1 by December 31, […]
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Data Quality Part 3: The Quantitative Components: Precision, Accuracy, and Completeness
Posted: June 22nd, 2023
We started this journey with the following thought: Defining data quality and implementing a data quality program furthers the goal that the data collected serve the intended purpose, i.e., informed decision making. Last time we discussed that precision is a […]
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Colorado Air Quality Control Commission Adopts Environmental Justice Protections
Posted: June 20th, 2023
On May 18, 2023, Colorado’s Department of Public Health and Environment (CDPHE) had its Air Quality Control Commission (Commission) adopt enhanced protections to implement the Colorado Environmental Justice Act (Act). The Act, signed into law by Colorado governor Jared Polis […]
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OSHA Severe Violator Enforcement Program (SVEP)
Posted: June 19th, 2023
The Occupational Safety and Health Administration (OSHA) established the Severe Violator Enforcement Program (SVEP) on June 18, 2010. The SVEP summarized enforcement policies and procedures for inspecting employers that demonstrated what OSHA defines as “indifference to their Occupational Safety Health […]
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The United States of Stormwater
Posted: June 14th, 2023
The United States Environmental Protection Agency (U.S. EPA) first published the Multi-Sector General Permit (MSGP) for Industrial Stormwater in 1995, with the most recent update becoming effective in September 2021. Authority has been granted by U.S. EPA to 47 of […]
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National Forklift Safety Day 2023
Posted: June 8th, 2023
National Forklift Safety Day (NFSD) is observed on the second Tuesday of June each year, which is June 13 this year. This year is the 10th anniversary of NFSD which was started as an initiative by the Industrial Truck Association […]
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