Operate a Commercial Sterilization Facility? 40 CFR Part 63, Subpart O Amendments Are Coming in 2024 with More Stringent Emission Limits & Advanced Continuous Monitoring Requirements
Posted: August 30th, 2023
The U.S. Environmental Protection Agency (EPA) has proposed amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for Ethylene Oxide (EtO) Commercial Sterilization and Fumigation Operations (40 CFR Part 63, Subpart O) that if finalized, will require the […]
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South Coast Air Quality Management District (SCAQMD) PAR 1110.2 and PR 1110.3
Posted: August 7th, 2023
The South Coast Air Quality Management District (SCAQMD) has proposed changes to Rule 1110.2 – Emissions from Gaseous- and Liquid-Fueled Engines (Rule 1110.2), which governs emissions from stationary and portable engines greater than 50 brake horsepower (bhp). In addition, SCAQMD […]
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South Coast Air Quality Management District (SCAQMD) Amended Rule 1147 and Rule 1147.2
Posted: July 25th, 2023
The South Coast Air Quality Management District (SCAQMD) amended Rule 1147 on May 6, 2022 and adopted Rule 1147.2 on April 1, 2022 to further reduce nitrogen oxides (NOX) and carbon monoxide (CO) emissions from gaseous fuel-fired combustion equipment, and […]
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Data Quality Part 2: What Are the Components of Data Quality?
Posted: May 22nd, 2023
In the first article of this series we started with this 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. We walked through […]
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Fuel Flow Monitoring Systems Part 2: Potential Challenges and Best Practices
Posted: April 3rd, 2023
In Part 1, we looked at a few common types of fuel meters, how they measure flow, how they can be applied, and how they can impact a facility’s operations. Data from fuel flow meters are fed into regulatory reports, […]
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Fuel Flow Monitoring Systems Part 1: Common Types and Uses
Posted: March 30th, 2023
Fuel flow monitoring systems measure the amount of fuel consumed by a process and are typically used to measure gaseous or liquid fuels. There are many types of fuel monitors used in practice – differential pressure, coriolis, and ultrasonic are […]
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Understanding CMS Data Validation
Posted: February 15th, 2023
Many facilities that are subject to the requirements of a Title V Operating Permit must operate and maintain continuous monitoring systems (CMS) to demonstrate ongoing compliance with various state and Federal requirements in the permit. Managing the quality and evaluating […]
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2023 Look Ahead
Posted: January 11th, 2023
Part 1 EHS&S Look Ahead // Colin McCall Greetings from ALL4 in 2023. I’d like to start the year once again by thanking our employees, clients, and partners for the support and for enjoying the journey with us. We never […]
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Common Sampling System Issues that Lead to Errors in Analysis and How to Avoid Them
Posted: December 21st, 2022
What Issues May Come Up During Stack Testing? When stack testing, there are a lot of moving parts that go into the operation to ensure that the stack testing event goes smoothly. Because of this, there are several common issues […]
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Too Long; Didn’t Read (TL;DR): What You Need to Know About South Coast AQMD Proposed Revisions to CEMS Requirements
Posted: September 15th, 2022
WHAT IS THE AGENCY PROPOSING? South Coast Air Quality Management District (AQMD) is the regulatory agency responsible for improving air quality for large areas of Los Angeles, Orange, Riverside, and San Bernardino counties in California. To streamline the monitoring requirements […]
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