Insights Blog

OTM-45 provides a solid starting point for organizations conscious of the impacts of PFAS and the importance of getting on the front end of the reporting and mitigation chain. Learn more.

As the EPA’s initial approved method for aerial PFAS testing, OTM-45 is the current benchmark for stack testing (we can reasonably expect changes in the near future), but what are the purposes of this testing procedure?

In February 2023, the EPA released newly revised national emissions standards for hazardous air pollutants (HAP). Here’s what it means for Metal Coatings Manufacturers.

Optical Gas Imaging (OGI) cameras utilize infrared sensors to detect a multitude of fugitive gas leaks. Learn which type of emissions they can track here.

The idea of scanning for a leak using a Method 21 instrument sounds simple enough, but Method 21 has more than its fair share of technological limitations and costly setbacks. Here are some limitations.

Here’s a comparison of the technologies of AWP and Method 21: The Optical Gas Imaging (OGI) camera and the handheld gas detector.

Here are two of the most harmful OGI pitfalls that drain resources and negatively impact leak detection ability. Read more to learn how your LDAR program can overcome these pitfalls to get the most from your OGI surveys.

APPI History Month is an annual celebration of achievements by Asian Americans and Pacific Islanders and a time for recognizing their central role in U.S. history. In celebration, Montrose is proud to highlight team members and share what APPI History Month means to our team. Meet some of our amazing team members!

The Federal Infrastructure Act is providing renewed and increased incentives for the redevelopment of brownfield sites, both urban and rural. Read what our Montrose experts say are the the ten things brownfield developers need to know about vapor intrusion.

Rick Wenning, our Montrose expert in environmental impact and ecological risk assessment, will present with Ted Tomasi, Ph.D. in this insightful June 14th webinar on the natural resource damage impact of the war in Ukraine.

Industry expert Blake Ericson recently attended and presented at the IEEE-IAS/PCA Cement Conference in Dallas, TX.  Here are our top 2 takeaways!

For more than half a century, Sensors, Inc. has been known for its high-quality gas emission and particulate measurement products under the SEMTECH® brand in the automotive industry. Recently, the company has expanded its expertise into the oil and gas industry.

On January 1, 2024, Ontario Regulation 88/22 will require petroleum facilities to install Continuous Emission Monitoring Systems (CEMS) for sulfur dioxide (SO2).

On March 29th, EPA proposed the much anticipated national drinking water standards setting maximum contamination levels (MCLs) for six PFAS. EPA expects to finalize the rule by the end of 2023.

Learn more about the Alternative Work Practice (AWP), a leak detection method used to scan for emissions leaks at industrial facilities.

An informative blog on database audits – what they’re about, and how they are a critical component of a well-rounded LDAR program.

With recent developments and a significant focus on the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) the status and compliance of wastewater lagoons have become a hot topic and an area of concern for organizations administering lagoons. Here are 9 facts you should know.

Industry experts Blake Ericson, Judith Aasland, and Bob Thomas recently attended WTUI 2023 in San Diego, California. It was a powerhouse conference that gave us a great chance to talk about the latest developments in HAP testing and emissions standards.

We all know that Comprehensive Performance Tests (CPTs) are required to measure emissions from your CFR 40 Part 63 Subpart EEE units that are released into the air and set operating parameter limits (OPLs) for daily operations. However, since these tests can be expensive and time-consuming, here’s how you can make the most of your investment.

Our Air Quality Testing experts Bob Thomas and Timothy Wojtach recently attended MINE Exchange 2023 in Denver, Colorado. This conference represented a great opportunity to connect with clients and discuss current air testing challenges and obstacles.

Women’s History Month is a celebration of women’s contributions to history, culture, and society and is observed annually in the month of March. It is observed in the United States, the United Kingdom, and Australia, corresponding with International Women’s Day on March 8. In celebration, Montrose is proud to highlight team members and share what Women’s History and International Women’s Day mean to our team. Meet some of our amazing team members.

Our Montrose environmental industry experts weigh in with their regulatory and ESG expertise, offering three recommendations on how to remain competitive in this ever-evolving space.

Black History Month is an annual celebration of achievements by African Americans and Canadians and a time for recognizing their central role in U.S. and Canadian history. In celebration, Montrose is proud to highlight team members and share what Black History Month means to our team. Meet some of our amazing team members!

These new, much lower, health advisory levels will guide future federal and state regulatory action.

These new, much lower, health advisory levels will guide future federal and state regulatory action.

Montrose Environmental – Biogas Solutions Industry-Leading Product Delivery for Renewable Natural Gas.

The U.S. Environmental Protection Agency’s (EPA) American Rescue Plan (ARP) has allocated $20 million of funding to help local communities monitor their air quality, which is the largest contribution of community-based air quality monitoring funding in history. Montrose’s Real Time Platform is a cost-efficient resource to direct this funding.

Addressing PFAS in your operations is a real and present challenge in the Oil & Gas industry.

Differentiated natural gas provides an opportunity for the oil and gas industry to join the low-carbon economy and gain market share

Montrose can help owners and operators of stationary combustion turbines collect emission samples and demonstrate YYYY compliance before or on the September 5, 2022 deadline. We can also help these companies adapt to the progressive regulatory environment efficiently and cost-effectively.

Here’s how the American Rescue Plan (ARP) plans to help underserved schools and communities meet air quality goals.

The CEMS is a pivotal part in staying compliant with EPA rules and regulations. Some EPA regulations require a CEMS for continued compliance determination. Learn more about CEMS here.

In a 6-3 decision last month, the Supreme Court ruled against the Environmental Protection Agency (EPA) which had proposed to set up a program to regulate greenhouse gas (GHG) emissions from power plants, in a manner that would have required “restructuring the Nation’s overall mix of electricity generation to transition from 38% to 27% coal by 2030”.

These new, much lower, health advisory levels will guide future federal and state regulatory action.

Defining your sustainability priorities.

Using the numbers to overcome analysis paralysis and drive your decision-making with data quality.

The imperative of understanding your greenhouse gas emissions and how that defines what’s possible.

And four organizations who can help along the way – Frameworks and standards for sustainability reporting.

Successfully measuring and demonstrating your organization’s environmental impact isn’t just possible – it’s achievable.

Reduction in methane emissions has been a hot topic of conversation recently, especially in the oil and gas sector.

When it comes to agricultural waste, we’re experienced. We’re knowledgeable. We are problem-solvers who aren’t afraid to color outside the lines. What we feel truly sets us apart is that we don’t rely on the digital space to start a project.

Since the US EPA approved Method 325 in September 2015, Benzene and VOC monitoring has been top of mind in refineries and other benzene-producing industries.

As if 2021 wasn’t challenging enough because of the COVID pandemic, there were multiple (and often confusing) developments in the PFAS regulation landscape.

As if 2021 wasn’t challenging enough because of the COVID pandemic, there were multiple (and often confusing) developments in the PFAS regulation landscape.

The EPA has recently announced a new Information Collection Request (ICR) has been sent to a large number of Plywood and Composite Wood Products facilities.

As if 2021 wasn’t challenging enough because of the COVID pandemic, there were multiple (and often confusing) developments in the PFAS regulation landscape.

As if 2021 wasn’t challenging enough because of the COVID pandemic, there were multiple (and often confusing) developments in the PFAS regulation landscape.

A Four-Part Blog Series and an Informative Webinar

The current EPA’s priorities include tackling the climate crisis, acting to advance Environmental Justice and enforcing environmental laws, and ensuring compliance, among others.

As 2021 begins, remember that GHG emissions reports required under the USEPA and various California Air Resources Board (CARB) programs will be due over the coming months, as well as GHG emissions report verifications.

On February 1, 2022 the US Environmental Protection Agency (USEPA) announced new sampling and analytical methods for stationary sources – Other Test Method 46 (OTM-46) a measurement of Polychlorinated Dibenzo-p-Dioxins/Polychlorinated Dibenzofurans (Dioxins/Furans), Polychlorinated Biphenyls (PCB), and Polycyclic Aromatic Hydrocarbons (PAH).

As federal regulations for Ethylene Oxide (EtO) continue to form, some states are taking action before the United States Environmental Protection Agency (USEPA) does.

When it comes to agricultural waste, we’re experienced. We’re knowledgeable. We are problem-solvers who aren’t afraid to color outside the lines. What we feel truly sets us apart is that we don’t rely on the digital space to start a project.

As federal regulations for Ethylene Oxide (EtO) continue to form, some states are taking action before the United States Environmental Protection Agency (USEPA) does.

EPA has been expanding their attention from sterilizers to other facilities with EtO emissions. Chemical companies that use EtO as a reagent to make their products are getting attention from their communities, local agencies, and the EPA.

Finding yourself in need of a third-party audit can feel daunting and confusing. Some require special administration like specific documents, risks, or follow ups on corrective actions.

Prolonged exposure to ethylene oxide (EtO) can be particularly harmful to humans – causing cancer and other diseases. EtO is a flammable, colorless gas used in the production of other chemicals needed for products like antifreeze, textiles, plastics, detergents, and adhesives.

Outside of producing the delicious milk that strengthens our bones, dairy cows are also contributing to a renewable future in the simplest of ways: their manure.

Here’s your breakdown of the new methane rules proposed by the state of PA and what you should do next.

As the industrial economy continues to rebound, capital expenditure (CapEx) projects are in the works or on the horizon.

The USEPA announced a new comprehensive PFAS Roadmap that will guide current and future activities from 2021-2024 to research, restrict and remediate PFAS.

NJDEP AO 2021-25 pushes forward with environmental justice reviews – What facilities/industry need to know about this development.

These questions are crucial to ask when assessing environmental testing options.

If achieving and maintaining regulatory compliance is crucial, it’s important to understand that cheap data can be expensive.

Our experts discuss how the OTM-37 method compares to standard stack testing.

Our teams know that not all testing is created equal and can help you find the best solution for your project.

Learn more about how a recent U.S. EPA proposed rule gives the option to utilize Optical Gas Imaging for fugitive emissions detection.

Here’s your breakdown of the new guidelines proposed by the U.S. EPA and what you should do next.

The status quo can feel safe. After all, there’s comfort in knowing your LDAR program is compliant and your Method 21 costs are low. But comfort can turn into complacency.

The California Geologic Energy Management Division (CalGEM) is cracking down on emission leaks—and ending drones into the sky over your facility to do it.

After expanding the pending reconsideration of the Portland Cement (PC) NESHAP Risk and Technology Review (RTR), the EPA is working with the environmental testing industry to develop a test plan to collect emissions data for three pollutants

Learn how our teams can quickly assess and understand how contaminants may affect the health and safety of workers and the community in wildfire-affected areas

In the past year, there have been a torrent of announcements from companies declaring their intentions to go net-zero and to more concretely address their environmental, social and governance (ESG) commitments.

While environmental justice (EJ) initiatives and policies have been around for decades, we have seen unprecedented levels of awareness and interest in EJ over the last year.

New CO House Bill 1189 requires real time air monitoring, including fenceline and community, for Air Toxics — learn more about these requirements here.

Read on to learn where 1-bromopropane (1-BP) is used and why it matters.

For implementing effective pilot or compliance benzene fenceline monitoring programs, here is a breakdown of what you need to know about these programs and how to avoid the consequences of inadequate preparation.

There are two types of methods for measuring stack emissions – instrumental and the traditional wet chemistry method. Not entirely sure what the difference? Read on to learn more.

Let us alleviate some of your hesitations based on myths of FTIR.

FTIR is a powerful tool for analyzing organic and inorganic compounds and emissions. As the Canadian federal and provincial regulatory bodies focus on improving the health of our environment, conceivably more new methods and regulations can be implemented for FTIR use.

If you’re also wondering this, you’re in luck because we answered this question and a few more here.

Unsure of what FTIR is? Read on to learn more about this technology and how it can help you.

On July 21, 2021 the U.S. House of Representatives passed a H.R. 2467 The PFAS Action Act, that requires the USEPA to regulate PFOA and PFOS

South Coast Air Quality Management District (SCAQMD) adopted Rule 2305 in April of 2021. The rule is expected to reduce smog-forming emissions by 10-15% from warehouse-related sources beyond existing State and Federal regulatory requirements.

If you’re thinking about changing your current LDAR contractor and/or upgrading to what you hope will be a better data management system, but you find yourself hesitating due to an uncertainty regarding the work involved and potential missteps along the way, then keep reading.

From phasing down hydrofluorocarbons to reducing pollution emitted by power plants and prioritizing the PFAS Action Plan, the United States Environmental Protection Agency (EPA) has had a consistent drumbeat of announcements to tackle the climate crisis.

The CEMS is a pivotal part in staying compliant with EPA rules and regulations. Some EPA regulations require a CEMS for continued compliance determination. Learn more about CEMS here.

On May 6, 2021 new air quality regulations were proposed for New Mexico’s oil and gas industry.

On April 14, 2021 new air quality regulations became effective for Colorado’s oil and gas industry.

This article addresses the Colorado Department of Public Health and Environment requirements for Regulation 7 continuous monitoring programs and how these reporting requirements can affect your current monitoring program. Find out how to generate an efficient and acceptable report to stay in compliance without spending more time and money than necessary.

Stay up to date on the latest air quality regulations for New York.

Montrose and other organizations shared a day in the sun playing golf and catching up at this year’s A&WMA Golf Tournament. Friends, food, and healthy competition helped to make this event memorable and the perfect networking opportunity for years to come.

Let’s put those fears to rest, starting with those troublesome regulatory hurdles.

The following article outlines the extra mile Montrose takes when analyzing destruction efficiency.

Need to reduce your greenhouse gas emissions? Learn more about an efficient, cost-effective method for detecting smaller leaks over larger areas.

Everything you need to know about testing for hazardous waste combustion and keeping compliant.

More than 150 experts with high-level government experience composed a series of memos to assist the incoming Biden Administration by delivering actionable advice for a rapid-start, whole-of-government climate response.

The United States Environmental Protection Agency (USEPA) has made some changes to its Per- and Polyfluoroalkyl substances (PFAS) policies.

What is California Assembly Bill 617, and what does it mean for you?

The role of OGI in leak detection and repair (LDAR) is growing, but before you add this technology to your LDAR program, you have to address the elephant in the room – quantification.

The Pennsylvania Department of Environmental Protection (PADEP) announced the results of the second round of statewide Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) sampling for six PFAS chemicals in drinking water in order to determine contamination levels.

It’s a new reporting year and time to plan for environmental reporting and compliance deadlines. The following deadlines and reports are requirements under the Environmental Protection Agency (EPA) and various state-specific environmental agencies in the mountain states region.

It’s a new reporting year and time to plan for environmental reporting and compliance deadlines. The following deadlines and reports are requirements under the Environmental Protection Agency (EPA) and various state-specific environmental agencies in the Gulf Coast Region.

The following deadlines and reports are requirements under the Environmental Protection Agency (EPA) and various state-specific environmental agencies in the Northwest US.

It’s a new reporting year and time to plan for environmental reporting and compliance deadlines. The following deadlines and reports are requirements under the Environmental Protection Agency (EPA) and various state-specific environmental agencies.

Since Colorado will see new regulations for air monitoring requirements in 2021, Montrose Ambient Air Monitoring Services hosted the Colorado Technology Demo Day to introduce members of the Colorado Oil and Gas Industry to the latest innovations in monitoring technology.

As 2021 begins, remember that GHG emissions reports required under the USEPA and various California Air Resources Board (CARB) programs will be due over the coming months, as well as GHG emissions report verifications.

As 2021 begins, remember that several reports required under various California Air Resources Board (CARB) programs will be due over the coming months. If your company has mobile equipment in California subject to these regulations, be sure to get these reports submitted by their deadlines!

In September, new updates were adopted to the Colorado Department of Public Health and Environment (CDPHE) Air Quality Control Commission’s Regulation 7 requirements. These critical updates primarily affect continuous emissions monitoring around new oil and natural gas drilling operations.

In September, new updates were adopted to the Colorado Department of Public Health and Environment (CDPHE) Air Quality Control Commission’s Regulation 7 requirements. These critical updates primarily affect continuous emissions monitoring around new oil and natural gas drilling operations.

The EPA currently has no published test methods for determining the concentration of PFAS in a gas matrix. This represents a critical opportunity since air and stack testing can operate as a way to demonstrate the efficiency and effectiveness of water and soil testing.

On October 22, 2020, EPA issued the final rule regarding project emissions accounting in New Source Review (NSR) permitting. This new approach will potentially allow companies to avoid NSR applicability for projects that would have previously required PSD or NNSR permitting or would not have been feasible.

The NESHAP for Plywood and Composite Wood Products (PCWP) was published in the Federal Register on Thursday, August 13, 2020.

Read about how to mitigate environmental risk, and leverage external resources during a global pandemic.

San Diego Air Pollution Control District (APCD) prepared a proposed final Ozone Attainment Plan and is receiving public comments through the public hearing date of October 14, 2020.

Although the EPA has ended the temporary enforcement discretion policy for Covid-19, the individual state policies may still impact regulatory compliance scopes of work.

On August 13, 2020, EPA issued two final rules amending the 2012 and 2016 New Source Performance Standards for the Oil and Natural Gas Industry (NSPS OOOO and OOOOa).

On August 25, 2020, EPA published proposed changes to the National Emission Standard for Hazardous Air Pollutants (NESHAP) for Industrial, Commercial, and Institutional Boilers and Process Heaters.

In this blog, we share important, time-sensitive updates regarding EPA’s temporary relaxed enforcement provisions. If you aren’t already aware, this policy is ending on August 31st. If you have questions as to what this means for your business, read on!

As companies begin to return to normal operations, they must consider a potentially unanticipated risk for their employees and visitors: Legionella exposure.

Welcome to the Montrose Environmental blog! We’re excited about this launch, and look forward to sharing our journey as we blaze new trails and explore new ideas in environmental services.

On August 23, 2019, EPA published a final action in the Federal Register that determined five major cities – Chicago, Dallas, Houston-Galveston, New York and San Diego – failed to attain the 2008 federal ozone standard (0.075 ppm) by the attainment date of July 20, 2018.

EPA is proposing to revise the New Source Review (NSR) regulations in order to amend the process for evaluating NSR applicability for proposed projects.

On April 26, 2019, EPA proposed to amend the 2003 NESHAP for Engine Test Cells/Stands. The rule applies to major sources of hazardous air pollutants (HAPs) that operate engine test cells/stands to test uninstalled internal combustion engines (ICEs) rated at 25 hp (19 kW) or higher.

Proposed amendments to the Reinforced Plastic Composites Manufacturing NESHAP were published in the Federal Register on Friday, May 17, 2019. 

U.S. EPA conducts unannounced inspections of facilities to assess Emergency Planning and Community Right-to-Know Act (EPCRA) compliance regarding Tier II and TRI reporting.

On June 25, 2019, EPA proposed a new rule to allow reclassification of major sources as area sources by adopting enforceable limits below applicability thresholds for major source NESHAPs.

On February 14, 2019, the Environmental Protection Agency (EPA) and the United States Army Corps of Engineers (USACE) published their proposed rule for redefining “waters of the United States”.

US EPA’s Final Rule creating new management standards for hazardous waste pharmaceuticals titled “Management Standards for Hazardous Waste Pharmaceuticals and Amendment to the P075 Listing for Nicotine,” appeared in the Federal Register, February 22, 2019.

Beginning on March 1, 2019, Georgia facilities will be required to pay an air permit application fee based on permit type.