How APHIS Waste Must be Managed

Unlike ordinary garbage, APHIS waste cannot simply be placed in a dumpster and hauled away. Regulations require that it be collected and managed by trained professionals to ensure safety and compliance.

The standards include:

• Tight, covered, and leak-proof containers to prevent leakage or accidental exposure.
• Clearly marked receptacles labeled as regulated waste to avoid confusion with other trash streams.
• Final treatment by incineration or sterilization, ensuring that any potential pests, diseases, or contaminants are destroyed before disposal.

These requirements are not optional and are mandatory steps designed to protect agriculture and prevent the accidental introduction of invasive species or pathogens.

Why Professional Disposal Matters

Failing to comply with APHIS regulations can result in severe consequences, including fines, legal penalties, and environmental damage. Businesses that manage imported goods such as airlines, shipping companies, and logistics providers are especially at risk if proper waste practices are not followed.

By working with a trusted waste management provider, organizations gain:

• Peace of mind, knowing their operations meet government requirements.
• Regulatory compliance with USDA APHIS standards.
• Secure, reliable collection and disposal using approved methods.
• Reduced liability risks, protecting both brand reputation and the environment.

The Crystal Clean Advantage

At Crystal Clean, we provide a full-service solution for APHIS waste. From supplying compliant containers to transporting waste securely and ensuring final treatment by incineration or sterilization, our trained teams handle every step.

We know that compliance is more than a box to check, it’s about safeguarding agriculture, trade, and communities. By choosing Crystal Clean, businesses gain a partner that combines regulatory expertise with dependable service, helping them focus on operations while staying fully compliant.

Protect your business and community. Trust Crystal Clean for your regulated waste needs.

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What Is Hydroblasting?

At its core, hydroblasting uses nothing more than high-pressure water to remove unwanted buildup. By adjusting pressure and specialized nozzles, trained operators can strip away paint, rust, concrete, or stubborn debris without damaging the underlying surface. Because it relies solely on water, hydroblasting avoids the need for harsh chemicals and reduces the risks associated with abrasive cleaning methods.

A typical process begins with assessing the surface and selecting the right pressure and equipment. Protective barriers may be set up to control runoff, followed by precise water jetting to clean or remove material. Once complete, the area is inspected to ensure everything has been cleared. Finally, any removed materials are responsibly collected and disposed of, keeping operations clean and compliant.

The Equipment Behind the Process

Hydroblasting is powered by pumps capable of producing pressures up to 20,000 PSI. Depending on the project, equipment can range from handheld units to truck-mounted systems for large-scale work. Operators often use hydroblast guns connected to reinforced hoses, allowing them to adjust water pressure and direction with precision. For more complex or confined spaces, automated systems and robotic tools can take over — providing accuracy, consistency, and an added layer of safety by reducing the need for direct worker involvement.

Where Hydroblasting Makes a Difference

Few cleaning methods are as versatile as hydroblasting. Manufacturing facilities use it to clear residue from tanks, piping, and machinery. Construction and infrastructure projects rely on it for surface preparation, ensuring coatings adhere properly and repairs last longer. In some cases, hydroblasting is even used for controlled concrete removal, offering a quieter, dust-free alternative to jackhammers and other mechanical methods.

Because it can reach into small slots, ducts, and tubing, hydroblasting also excels at maintaining critical systems like heat exchangers and condensers. Routine services help prevent buildup that could otherwise reduce efficiency, cause downtime, or shorten equipment life.

Benefits Beyond Clean Surfaces

The advantages of hydroblasting go far beyond spotless equipment. It reduces the need for chemical cleaners, making it better for the environment and safer for employees. By capturing debris and controlling runoff, it also minimizes airborne particles that can harm air quality. And because it’s both fast and precise, hydroblasting helps reduce downtime, allowing operations to return to full capacity more quickly.

Partnering with Crystal Clean

At Crystal Clean, we view hydroblasting not just as a service, but as a way to help our customers protect their people, their assets, and their reputation. Our team combines advanced equipment with deep expertise to deliver results you can count on — whether it’s routine maintenance, surface preparation, or specialized cleaning challenges.

When you choose Crystal Clean, you’re choosing a partner committed to safety, compliance, and environmental responsibility. If you’re curious about how hydroblasting can benefit your facility, our team is here to share insights and create a solution tailored to your needs.

Let’s start the conversation — together, we’ll keep your operations clean, compliant, and running at their best.

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Best for: Older passenger cars and light-duty trucks (generally pre-2002) requiring conventional coolant.

Key Benefits: Meets performance requirements of ASTM D3306; prediluted 50/50; phosphate-free inhibitor package; protects all system metals; service life up to 3 years or 50,000 miles.

Where It Fits: Maintains traditional cooling systems with reliable freeze/boil protection while preventing corrosion in aging components.

Best for: Heavy-duty diesel and CNG engines requiring conventional HD coolant with nitrite-based protection.

Key Benefits: Meets performance requirements of ASTM D6210 and D3306; contains SCAs and 1200 ppm nitrite; protects against liner pitting; available in pink or green; up to 3 years/300,000 miles with proper maintenance.

Where It Fits: Proven Nitrite-based chemistry for heavy-duty diesel and compressed natural gas engine colling systems requiring conventionally inhibited HD coolants.

Best for: Mixed fleets requiring nitrite-free OAT extended-life protection.

Key Benefits: Meets performance requirements of ASTM D6210, D3306; pure OAT formula using inhibitor technology free of nitrite, silicate, phosphate; protects against liner pitting; available in yellow or red; up to 600,000 miles/12,000 hours.

Where It Fits: Streamlines inventory for operations servicing both diesel and light-duty engines, extending service intervals without compromising protection.

Best for: Foreign and domestic passenger cars, SUVs, vans, and light trucks requiring extended-life OAT coolant.

Key Benefits: Meets performance requirements of ASTM D3306; pure OAT technology; nitrite-free inhibitor technology; compatible with other OAT coolants; up to 5 years/150,000 miles.

Where It Fits: Provides broad compatibility for modern vehicles, reducing the need to stock multiple specialty coolants while ensuring long-term protection.

Best for: General Motors vehicles requiring GM-licensed DEX-COOL®.

Key Benefits: GM-approved (GWM3420); meets performance requirements of ASTM D3306; 5-year/150,000-mile service life; ready-to-use 50/50; orange in color.

Where It Fits: Ensures OEM compliance and warranty protection for GM vehicles with factory-specified coolant requirements.

Best for: Heavy-duty diesel engines needing nitrite and molybdate-enhanced OAT protection.

Key Benefits: Meets performance requirements of ASTM D6210, D3306; eliminates need for SCAs; protects against liner pitting; up to 600,000 miles/12,000 hours with extender at mid-life.

Where It Fits: Delivers advanced corrosion protection for demanding diesel applications, with added benefits of nitrite and molybdate chemistry, compatible with other HD OAT coolants like CAT ELC

Matching Products to Performance and Profitability

Having the right antifreeze for every application means more than meeting OEM specifications; it streamlines service, reduces the number of SKUs needed on the shelf, and ensures the job is done right the first time.

Crystal Clean supports these needs not only with a complete antifreeze product line but also with closed-loop recycling services that restore used coolant to meet or exceed ASTM and OEM performance standards. This approach helps reduce waste, lower disposal costs, and protect the environment—while keeping your service operations running smoothly and profitably.

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Leading From the Field, One Big Job at a Time

In the rugged terrain of the Southwest, there’s no mistaking the hustle of Nick Gonzales. As a Field Supervisor at the Las Vegas industrial services facility, Nick has been a driving force behind some of the most challenging and high-impact environmental projects under Crystal Clean’s Patriot Environmental subsidiary for nearly a decade. Whether he is coordinating a hydroblasting crew, leading a tank cleaning, or operating heavy equipment on a one-thousand-yard excavation site, Nick brings unmatched grit, experience, and leadership to every job.

With over 20 years in the environmental services industry, Nick’s journey began back in 2004 with hands-on field work at companies specializing in environmental response and industrial services. Nearly a decade ago, he brought that experience to Patriot. He continues to stay hands on, reliable, and laser focused. “I love what I do. The time flies because no two days are ever the same,” he says.

A One-Stop Shop in the Field

Nick’s daily routine includes a balance of planning and doing. He walks job sites, coordinates equipment, supports his technicians, and builds quotes alongside the sales team. He is the type of leader who thrives in the thick of the action. “I would not trade this for an office job,” he says with a smile. “I like staying hands on. That is where I belong.”

His ability to adapt to any situation has been key to his success. “You have got to be a one-stop shop,” he explains. “No matter what the job is, we get it done.”

One of his proudest moments came while leading a massive excavation project. As he recalls, “When you finish a job like that, you step back and realize something big was accomplished.”

Empowering Through Leadership and Safety

For Nick, leadership is about listening, preparing, and protecting. He creates an environment where every team member has a voice, especially during safety meetings. “I make sure everyone understands what we are doing, and I encourage people to speak up. When the team feels heard, they stay focused and safe.”

Safety is deeply personal to Nick. “The jobs we do are dangerous. If someone gets hurt, that is on me. I never want to carry that on my conscience. Safety is the most important part of every job we take on.”

He is also a strong believer in cross training. “It is not just about getting the job done. It is about teaching others how to do it the right way and safely. That is how we grow stronger as a team.”

Support, Growth, and Looking Ahead

Nick credits Patriot’s leadership for supporting his success in the field. “If I need equipment, I can get it. If something is going to help us do the job right, the company makes sure we have it. That kind of support means everything.”

As he looks to the future, Nick hopes to see Patriot and Crystal Clean expand its waste and water treatment capabilities. “We have the talent and the tools. The more we grow, the more we can achieve.”

He also offers sound advice to new employees. “Cross train, speak up, and stay alert. We are all here to help one another succeed and stay safe.”

Beyond the Job Site

Outside of work, Nick enjoys riding motorcycles both on and off the track. He also likes to travel when he gets the chance. His favorite places so far have been Ireland and Japan, both offering a change of pace and a break from the day-to-day.

Whether leading a complex mine cleanup or mentoring the next generation of field techs, Nick Gonzales is a steady force at Patriot. He is a leader who gets the job done, builds up his team, and always puts safety first.

Agreement to Serve as a Model for Future Collaborations to Create a National Network of TSDF Partnerships

DURHAM, N.C., Sept. 08, 2025 — 374Water Inc. (NASDAQ: SCWO) (“374Water”), a global leader in organic waste destruction technology and services for the municipal, federal, and industrial markets, today announced a Waste Destruction Services (“WDS”) collaboration agreement focused on PFAS eradication with Crystal Clean, a leading provider of environmental and waste management solutions to commercial, industrial, and government end-markets.

374Water will establish a full-service WDS operation to unlock significant revenue opportunities across municipal, federal, and industrial market verticals. Operations at one of Crystal Clean’s facilities will include its proprietary AirSCWO technology, pre- and post-treatment systems, and ancillary equipment. This agreement will allow 374Water to actively pursue large federal destruction contracts for Aqueous Film-Forming Foam (“AFFF”), granular activated carbon (“GAC”), ion exchange resin (“IEX”), and other PFAS contaminated wastes. 374Water will also pursue large municipal and industrial PFAS waste destruction contracts which are ideal for this facility. In addition, Crystal Clean and 374Water will actively market AirSCWO WDS to existing customers, who approve of the technology, and thereby secure additional waste streams for destruction.

During 2025, 374Water intends to establish its WDS operations focused on PFAS eradication, the WDS operations will initially utilize the AirSCWO 6 system, which has the potential, over time, to generate $3 million to $5 million in annual recurring revenue. 374Water may install a second AirSCWO 6 system in 2026 to meet increased client demand.

In addition, 374Water has begun to build its mobile AirSCWO fleet for onsite WDS for clients who prefer onsite destruction projects and operations. The company intends to build a fleet of mobile AirSCWO systems to meet specific customer needs.

“Crystal Clean is an ideal partner to enable our waste destruction services business to scale rapidly and support growing demand across a wide array of market verticals and waste streams,” said Chris Gannon, CEO of 374Water. “The combination of 374Water’s AirSCWO destruction technology and Crystal Clean’s experience collecting and concentrating PFAS waste streams unlocks significant potential revenue for both companies, including destruction contracts for Federal PFAS-contaminated waste streams. With Crystal Clean’s 25-plus years of experience as a leader in the environmental services market, we believe this partnership will empower us to unlock the massive PFAS waste destruction market.”

“At Crystal Clean, our vision is to protect the Earth’s resources by helping the business world run cleaner,” said Brian Recatto, President & CEO of Crystal Clean. “This partnership strengthens our position as a leader in the safe and effective removal of PFAS from the environment. By hosting 374Water’s super critical water oxidation system at one of our waste treatment facilities, we are bringing together proven PFAS destruction technology with our trusted operations to better support the evolving needs of government and industrial clients. This is a strategic move that builds upon our existing capabilities to concentrate PFAS waste, allowing for safe, efficient, and compliant destruction.”

About Crystal Clean

Crystal Clean provides environmental and industrial services to a wide range of customers including manufacturers, vehicle maintenance businesses, utilities, and government agencies. With a network of more than 120 environmental services branches, industrial service facilities, and waste treatment centers across the continental U.S., Crystal Clean provides tailored solutions that help customers manage their chemical, liquid, and solid waste streams while reducing regulatory burdens.

Crystal Clean’s service offerings include parts cleaning, containerized and bulk waste management, used oil collection and re-refining, vacuum wastewater services, emergency and spill response, industrial and field services, and antifreeze collection, recycling, and product sales.

To learn more about Crystal Clean, visit www.crystal-clean.com.

About 374Water

374Water Inc. (NASDAQ: SCWO) is a global industrial technology and services company providing innovative solutions addressing wastewater treatment and waste management issues within the municipal, federal and industrial markets. 374Water’s AirSCWO technology is designed to efficiently destroy and mineralize a broad spectrum of nonhazardous and hazardous organic wastes, producing safe dischargeable water streams, safe mineral effluent, safe vent gas, and recoverable heat energy. 374Water’s AirSCWO technology has the potential to assist its customers to meet discharge requirements, reduce or eliminate disposal costs, remove bottlenecks, and reduce litigation and other risks. 374Water continues to be a leader in innovative waste treatment solutions, dedicated to creating a greener future and eradicating harmful pollutants. Learn more by visiting www.374water.com.

Cautionary Language on Forward-Looking Statements
Certain statements in this communication are “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995, as amended. These statements relate to future events or our future financial performance, including statements relating to whether 374Water will be able to unlock revenue from its WDS operations, whether 374Water will be successful in obtaining federal, municipal and industrial waste destruction contracts, the timing for 374Water to launch WDS operations and 374Water’s ability to establish additional WDS operations, 374Water’s ability to scale its operations, demand for 374Water’s solutions, and 374Water’s ability to
destroy PFAS at scale, and 374Water’s future prospects and involve known and unknown risks, uncertainties, and other factors that may cause 374Water’s actual results, levels of activity, performance, or 374Water’s achievements or those of its industry to be materially different from those expressed or implied by any forward-looking statements. In some cases, forward-looking statements may be identified by the use of words like “may,” “will,” “could,” “would,” “should,” “expect,” “plan,” “anticipate,” “intend,” “believe,” “estimate,” “project,” “consider,” “predict,” “potential,” “feel,” or other comparable terminology. 374Water has based these forward-looking statements on its current expectations, assumptions, estimates, beliefs, and projections. While 374Water believes these expectations, assumptions, estimates, and projections are reasonable, such forward-looking statements are only predictions and involve known and unknown risks and uncertainties, many of which involve factors or circumstances that are beyond the 374Water’s control. These and other important factors, including those discussed under “Risk Factors” in 374Water’s Form 10-Q for the quarter ended June 30, 2025, as well as 374Water’s subsequent filings with the SEC, may cause actual results, performance,
or achievements to differ materially from those expressed or implied by these forward-looking statements. The forwardlooking statements herein are made only as of the date they were first issued, and unless otherwise required by applicable securities laws, 374Water disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

374Water Investor Relations and Media Contact
Chris Tyson
Executive Vice President
MZ North America
Direct: 949-491-8235
SCWO@mzgroup.us
www.mzgroup.us

Crystal Clean Contact
Mike Ademe
Communications & Marketing Manager
mike.ademe@crystal-clean.com
224-281-1530

Hoffman Estates, IL — Crystal Clean today announced the launch of the SAFF®10, a compact and versatile addition to its turnkey 4never™ PFAS remediation solution. Designed to meet growing demand for space-efficient, high-performance treatment options, the SAFF®10 delivers powerful remediation capability in a small, sustainable package.

Manufactured by Australian environmental engineering firm EPOC Enviro, the SAFF®10 joins Crystal Clean’s growing portfolio of SAFF® technologies. It is ideally suited for projects with limited site access, intermittent water flow, or lower volume throughput.

Surface Active Foam Fractionation (SAFF®) is a patented, nature-inspired technology that uses air bubbles to separate and remove more than 99% of targeted PFAS compounds. This sustainable process enables treated water to be safely discharged or reused, supporting regulatory compliance and environmental stewardship.

“Every PFAS challenge is unique, and effective remediation requires flexibility,” said Brian Recatto, President & CEO of Crystal Clean. “The SAFF®10 is a compact, go-anywhere system that brings the power of SAFF® technology to smaller or space-limited sites that may not have the needs for a large-scale remediation technology on-site.”

With a footprint just under 8 by 16 feet, the SAFF®10 can be installed in compact areas such as maintenance areas or plant rooms, or mounted on a trailer for rapid deployment. It offers the same trusted SAFF® process for effective PFAS removal, providing a proven and effective solution in a smaller, more flexible format.

The SAFF®10 can process up to 45 gallons per minute and includes both primary and secondary foam fractionation for superior PFAS capture.

It’s an ideal technology for remediating target PFAS contaminants in any number of applications including landfill leachates, groundwater, industrial effluent, mobile and fixed extinguishing system decontamination, spill incident event waters, and more.

Key features of the SAFF®10:

• Throughput capacity up to 45 GPM
• Modular, skid-based system for flexible deployment
• Integrated dosing for enhanced uptake of short chain PFAS
• Capable of treating a wide range of water types and PFAS concentrations
• Mobile, lightweight, and forklift-moveable

First developed in 2015, SAFF® technology has now successfully treated nearly 400 million gallons of PFAS-impacted water globally. Crystal Clean currently operates a PFAS treatment facility in Michigan and is expanding SAFF® treatment capabilities across multiple U.S. wastewater treatment locations.

Crystal Clean is an exclusive distributor of SAFF technology in the United States. For more information about Crystal Clean and it’s 4never™ PFAS remediation solution, visit https://www.crystal-clean.com/renewable-solution/pfas-solution-4never/.  

About Crystal Clean

Crystal Clean provides environmental and industrial services to manufacturers and other industrial businesses, utilities and governmental entities, and vehicle maintenance businesses. Their service programs include parts cleaning, regulated containerized and bulk waste management, used oil collection and re-refining, wastewater vacuum, emergency and spill response, industrial and field services, and waste antifreeze collection, recycling and product sales. These services help customers manage their used chemicals and liquid and solid wastes, while also helping to minimize their regulatory burdens.

About EPOC Enviro

EPOC Enviro is an award-winning Australian environmental engineering firm. The EPOC acronym stands for ‘Emerging Pollutants of Concern’.  

Their mission is to develop and implement clever and practical engineering solutions on a global scale to permanently remove PFAS and other emerging contaminants from the environment.   

EPOC Enviro has successfully pioneered separation and concentration of PFAS contaminants from impacted waters into a single step using their patented Surface-Active Foam Fractionation technology. This solution rapidly removes criteria PFAS compounds including long and short chain contaminants, generally down to the limits of reporting. It’s a clean, cost effective and sustainable process.

What is PFAS? 

PFAS are a family of synthetic compounds widely used globally to make products that resist heat, oil, stains, grease and water.

PFAS compounds break down very slowly over time and are recognised as an ‘emerging contaminant’ with widespread concerns about their characteristics of persistence, bioaccumulation, toxicity and impacts on human health. 

Contacts

Crystal Clean
Mike Ademe
Communications & Marketing Manager
mike.ademe@crystal-clean.com
224-281-1530

Types of Environmental Remediation

There are different ways to handle contamination, depending on where the pollution is found. You might need one approach for contaminated soil, another for polluted groundwater, and something else entirely for sediment at the bottom of rivers or lakes. That’s why environmental remediation isn’t a one-size-fits-all process.

Crystal Clean’s Field Services team is trained and equipped to handle all of these scenarios. We make sure every job is done safely and in line with local, state, and federal rules.

Soil Remediation

Soil remediation deals with cleaning up polluted dirt. Contamination can happen from spills, leaks, bad disposal practices, or years of industrial activity. Pollutants like fuel, oils, heavy metals, and chemicals can make the land unsafe for people and wildlife. If not removed, they can also seep into groundwater.

Crystal Clean begins by testing the soil to see what types of contaminants are present and how much there is. We manage everything from sampling and digging to transportation and disposal. Depending on what’s needed, we may work with environmental partners to apply special treatments directly on-site or at a facility. Our goal is to make the land safe again so it can be used without risk.

Groundwater Remediation

Groundwater is the water that moves beneath the earth’s surface and often supplies wells or community water systems. If this water becomes contaminated, it can pose a serious risk to public health. Common pollutants include industrial solvents, fuels, and metals that slowly move down through the soil.

Crystal Clean works with environmental engineers and groundwater experts to identify and treat these problems. We use methods like pump and treat systems that remove the water for cleanup or in-place treatments that break down pollutants underground. We take care of everything from mapping where the contamination is to providing the necessary reports for regulatory compliance. The focus is on stopping the pollution from spreading and restoring clean water.

Sediment Remediation

Sediment remediation focuses on cleaning up contaminated materials that have settled at the bottom of rivers, lakes, harbors, or wetlands. Over time, pollutants from industrial runoff or past waste practices can build up in these areas. If left alone, they can spread into the water and harm fish, wildlife, and nearby communities.

Crystal Clean assesses the area and works with partners who specialize in dredging and environmental cleanup. We may remove the sediment, cover it to contain the contamination, or monitor it over time depending on the situation. The aim is always to protect the ecosystem while making the process as smooth and effective as possible.

How We Get the Job Done

Different problems require different tools. At Crystal Clean, we use a variety of cleanup methods based on the site conditions and type of contamination. Here are our two most commonly used techniques.

Excavation Services

Excavation is one of the most straightforward ways to remove contamination from the ground. It involves physically digging up the polluted soil and hauling it off-site for treatment or disposal. Crystal Clean starts by testing the soil and identifying how deep the contamination goes. Once that’s clear, we carefully excavate the area to remove the polluted material.

The soil is then taken to a licensed treatment or disposal facility. In many cases, we can send the material to be recycled or used in waste-to-energy programs. From planning to execution, we handle the process safely and responsibly so your site stays on track and in compliance.

Bioremediation Services

Bioremediation is a method that uses living microorganisms like bacteria to break down pollutants in soil or water. It works especially well for petroleum-based contaminants, solvents, and other organic chemicals.

Crystal Clean prepares the site and introduces or enhances microbial activity to speed up the cleanup. We may add nutrients or oxygen to help the bacteria grow and do their job. This method is great for locations where digging isn’t ideal and is often more cost-effective than traditional removal options. It’s also environmentally friendly and a good fit for long-term solutions.

Why Crystal Clean Is the Right Partner

Having a trusted partner for environmental cleanup makes all the difference. Crystal Clean’s Field Services team has years of experience handling everything from emergency spill response to long-term site restoration. We take care of every part of the project so you don’t have to juggle multiple vendors or worry about compliance issues.

Our team serves clients across the country and follows all applicable regulations. We focus on delivering results that meet your goals while protecting your business and the environment.

With Crystal Clean on your side, you get a team that’s ready to handle the hard work so you can stay focused on your operation.

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Some wins are seen on the road, and others are made behind the scenes, laying the foundation for safety, compliance, and long-term success. That’s where Esmeralda Esparza, Transportation Safety Specialist I, has been making an impact.

Esmeralda’s journey with Crystal Clean began in 2007 at the Chicago North branch, where she started as a Branch Clerical. After 2 years, she advanced into compliance-focused roles, eventually earning her place on the Environmental Health & Safety (EHS) DOT team. This pivotal moment in her career came with the support of Branch Manager Bob Skelton, who encouraged her to pursue new opportunities even if it meant leaving the branch. His belief in her potential helped open the door to her next chapter.

“Esy was quite a catch when she joined the team at Chicago North,” Bob shared. “She immediately made strong relationships with the staff and was a quick study when it came to learning the Crystal Clean way and systems. She worked hard and was very reliable. She truly was an asset to the crew in our quest to grow the branch. Although I was sad to see her go, I was proud of her achievements. I consider it an honor to have worked with her.”

Esmeralda’s path is a strong example of what’s possible through grit, clarity, and a drive to improve the system rather than just follow it.

Today, Esmeralda plays a central role in strengthening Crystal Clean’s driver safety culture, leading efforts to roll out programs that help every driver understand not only how to be safe but why it matters.

“We can’t expect drivers to do their job safely if we don’t give them the right information and tools,” she said. “That means being transparent, communicating clearly, and making sure they’re truly supported in the field.”

Whether she’s navigating DOT regulations, troubleshooting issues, or fielding urgent compliance questions, Esmeralda stays focused on one thing: keeping our branches, our customers, and our drivers safe. She’s especially proud of helping to launch the Motive system, including dashcams and electronic logging devices (ELDs), tools that are now helping shape a more proactive, informed, and safety-first culture on the road.

“Dashcams protect our drivers, provide coaching opportunities, and give managers visibility,” Esmeralda explained. “They’ve already helped prove innocence in accidents and support safer behavior. Over time, we want safety behind the wheel to become second nature, something that’s just part of how we operate.”

And while safety scores don’t improve overnight, progress is already showing. “We’re seeing real changes in how people think and act about safety,” she added. “It’s slow, but it’s steady. The culture is shifting, and that means we’re headed in the right direction.”

Esmeralda brings honesty, accountability, and empathy to her work every day. From supporting new drivers to guiding her teammates through the details of compliance, she focuses on helping others see the bigger picture.

“There are a lot of moving parts in this work, especially when starting a new vendor or launching a new program,” she said. “It’s important that the whole team understands how it all connects, and that we’re working together to get there.”

A defining moment in her career came during a federal DOT audit in 2012, where she spent three intense days making sure Crystal Clean’s field operations were in full compliance. It opened her eyes to just how critical her role is and how much DOT compliance truly supports the business as a whole.

“That audit changed the way I looked at my job,” she said. “It showed me just how high the stakes are, and how essential it is that we do things right.”

Esmeralda also encourages others to take ownership of their learning and development:
“Ask questions, even if you think they’re dumb. Use your resources. You don’t have to know everything, you just have to be curious and willing to learn.”

She’s also a big believer in maintaining perspective.
“The work will be here tomorrow. Take care of yourself and find that balance. That’s how we keep doing this for the long haul.”

As part of a growing EHS team, Esmeralda finds joy in supporting others and making sure everyone is aligned.
“We’re a newer team, so it’s really important that we’re on the same page. I’ve worked with some of these folks for over 15 years. We get the job done, but we also joke, we laugh, and we have fun. That makes a big difference.”

She credits Crystal Clean with giving her the opportunity to explore many sides of EHS, from driver qualification and environmental permitting to transporter reporting and now technology implementation. “There’s no shortage of work here. If you’re interested, speak up and ask. You’ll learn it.”

Outside of work, Esmeralda’s creativity shines through her many interests. She enjoys gardening, photography, and spending time with her husband, their three-year-old British fox red Lab, Stella, and their two cats, Cat and Jet. Together, they also care for chickens and bees. Along the way, Esmeralda has picked up a few unique skills, including how to safely handle a butterfly knife.

Now an empty nester, Esmeralda takes pride in watching her son build his career as a licensed barber.

Looking to the future, Esmeralda hopes to see continued growth in Crystal Clean’s safety culture, investment in updated technology, and more recognition for safe driving. Most of all, she wants to see a companywide commitment to improving what’s already working and building trust between corporate and the field.

“We need the field to know we’re here for them. That’s how we grow, together.”

Esmeralda Esparza is part of what makes Crystal Clean’s safety culture stronger every day. Her focus on people, process, and purpose is helping pave the way for a safer, more connected future, and that’s a win for everyone.

At Crystal Clean’s headquarters, you’ll find Sarah Nelson, our energetic and forward-thinking Training & Development Specialist. Known for her rocket ship emojis 🚀 and loud music playlists, Sarah brings passion and precision to every part of her day, starting at 4 a.m. sharp with two cups of coffee, a clean workspace, and a can-do attitude. 

Sarah joined Crystal Clean three years ago, stepping into the environmental services industry for the first time after raising four children and building a career in private wealth management.  

“It was a major change,” she said, “but the opportunity to create meaningful training and directly impact the safety and success of our people—it was exactly what I was looking for.” 

Her typical day is anything but typical. Whether she’s troubleshooting Crystal Clean’s Learning Management System (CCU), answering field questions about learning systems, directing team members, developing content, working with vendors, or preparing CDL training, Sarah is at the center of ensuring the entire company keeps learning and moving forward. 

“Sarah brings energy in everything she does and that’s truly inspiring,” said Ed Guglielmi, Divisional Vice President. “No matter the subject or task, she’s all in from start to finish and doesn’t let challenges or roadblocks stop her—she plows right through them. Sarah is always there for the branch employees to help solve not only training issues but is also happy to get involved with any problems they’re experiencing.” 

For Sarah, training isn’t just about procedures, it’s about people.  

“Our job is to help individuals grow into their roles and overcome challenges,” she explained. “Training doesn’t just impact an employee, it affects their team, their branch, their customers, and even the environment.” 

What excites her most? Watching that growth firsthand.  

“Seeing someone light up because they finally feel confident in their job—that’s my favorite part of the day.” 

Sarah believes that safety starts with communication. Not just physical safety, but the ability to speak up, ask questions, and feel secure in doing so. That belief drives the training environment she builds every day. 

One of the most memorable moments in her role came during the branch manager workshops.  

“That was more than just a training—it was a turning point,” Sarah shared. “I witnessed the true power of relationships at Crystal Clean in action. Across branches, across regions, we came together to connect, collaborate, and grow. With countless years of industry knowledge in one room, the lessons shared and bonds built were immeasurable. We didn’t just learn from the content—we learned from each other. That’s the Crystal Clean way.” 

“Sarah has a take-charge and gets-it-done attitude,” said Todd Rohde, Divisional Vice President. “She’s also known for her unique vocabulary. We are very fortunate to have her on our team.” 

Sarah lives out the values of relationships and excellence with intention.  

“I work with people from every part of the company, and it’s important that they feel heard and supported,” she shared. “Excellence means giving your absolute best—what’s excellent for you today may change tomorrow, but effort and intent matter most.” 

She brings these values to life through participating on the 2023 MVP Committee, where she helps host powerful events focused on company values.  

“That meeting brought people together. It made them feel welcomed, seen, and part of something bigger.” 

She also hasn’t forgotten the day she pumped several thousand gallons from drums in the field, earning the customer’s trust so well, they almost thought she was taking over the route.  

“That gave me a whole new appreciation for what our sales and service representatives do every day,” she said. 

Sarah is proud of the impact she’s already had at Crystal Clean—most notably, launching the Drive Crystal 5 program, which led to a 26% reduction in our CSA (Compliance, Safety, Accountability) score in just six months. It’s a milestone that proves her work doesn’t just train, it transforms. 

Looking ahead, she’s excited to see the company continue to embrace training, where employees aren’t just certified—they’re confident.  

“We need more applicants than seats,” she said. “I want to see us become truly one team, one heartbeat—field and corporate united.” 

Outside of work, Sarah’s life is full of energy and heart. She shares a home with her boyfriend Denis and is a proud mom to four kids between the ages of 16 and 20. Once a competitive car audio enthusiast, she even won 3rd place in a MECA bass competition—before her winning system was stolen, bringing her brief but booming career to a close. 

She studied to be a trauma nurse, loves cleaning as a favorite pastime, and has a special fondness for reindeer, “Richards” a.k.a. alligators, and her all-time favorite animal: the hippo. 

“They’re cute,” she says with a grin.  

Sarah Nelson is proof that leadership isn’t just about titles—it’s about vision, empathy, and the drive to make others better. With her strategic mind and people-first approach, Sarah continues to shape the future of Crystal Clean, one training at a time. 

In automotive and industrial environments, oil spills pose significant challenges. From minor leaks in vehicles to substantial spills in factories, having effective oil spill absorbents readily available can substantially mitigate hazards. Oil spill absorbents are critical for prompt spill response, minimizing downtime and promoting a safer, more productive workspace. Efficient spill management is essential for sustaining operational flow.

The Indispensable Nature of Oil Spill Absorbents

Oil spill absorbents effectively manage petroleum-based leaks, preventing potential risks. A timely response reduces slip-and-fall incidents, thereby protecting employee safety and minimizing liability risks. Additionally, prompt spill management is vital for adhering to stringent environmental regulations, helping to avoid costly penalties and legal complications associated with non-compliance.

Utilizing absorbent materials is crucial for maintaining operational effectiveness. Quick cleanup following spills minimizes disruptions, shortens downtime, and supports a faster return to productivity. Ensuring that oil spill absorbents are readily accessible fosters a clean, organized workspace—reflecting professionalism and compliance to all staff members.

Key Applications for Oil Spill Absorbents

In automotive repair facilities, managing vehicle leaks, oil spills, and fluid drips is a routine necessity. Effective absorbent options, such as mats, pillows, booms, and more, empower technicians to rapidly contain and eliminate spills, resulting in a safer and cleaner workplace that prioritizes employee well-being.

In industrial settings, spills occur frequently due to the operation of heavy machinery, hydraulic systems, and lubricants. High-quality oil spill absorbents ensure rapid response and cleanup, safeguarding valuable equipment and preventing contamination that could lead to significant downtime or costly repairs, thereby enhancing productivity.

Maintenance teams in both sectors routinely depend on oil spill absorbents. Providing training on effective spill-response methods and equipping personnel with accessible absorbent materials guarantees a coordinated and efficient strategy, protecting operations against unexpected disruptions and risks.

Promoting Sustainability with Eco-Conscious Absorbents

Modern businesses are increasingly committed to environmental accountability. Eco-friendly oil spill absorbents, such as Crystal Clean’s Spill Tackle, deliver effective cleanup solutions while minimizing ecological footprints. Choosing sustainable absorbent materials reflects your organization’s dedication to environmental stewardship, enhances brand image, supports sustainable practices, and simplifies the disposal process—saving both time and resources.

Why Opt for Crystal Clean’s Absorbent Products?

Crystal Clean’s absorbents are engineered for swift and effective spill management, helping your facility maintain compliance, safety, and operational efficiency. Our products offer rapid absorption, versatility, and easy disposal—key elements for responsible spill management and environmental adherence. By selecting Crystal Clean, you’re making a proactive choice for a workplace that is prepared, compliant, and eco-friendly.

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