Press Releases

Carus LLC Selects Picarro as Technology Partner for Ethylene Oxide Emissions Monitoring and  Abatement

Peru, IL and Santa Clara, CA — October 24, 2023  — Carus, a global leader in the development and manufacturing of environmental solutions, including its benchmark CARULITE® catalyst for the destruction of ethylene oxide (EtO) emissions, is thrilled to announce a strategic partnership with Picarro, Inc., a pioneer in comprehensive emissions monitoring systems. 

About the Partnership
The collaboration aims to leverage Carus’s catalyst technology with Picarro’s cutting-edge Continuous Emissions Monitoring Systems (CEMS) based on Cavity Ring-Down Spectroscopy (CRDS) monitoring technology. This strategic partnership seeks to provide industries such as medical device sterilization facilities, with more integrated, efficient, and cost-effective solutions for EtO emissions management.

Carus has chosen Picarro as its primary technology partner due to its advanced capabilities in ethylene oxide emissions monitoring, notably the precision, reliability, and flexibility that Picarro systems offer. The partnership will focus on joint R&D activities, with both parties committed to sharing data and collective insights that will assist in supporting the medical device industry in optimizing their sterilization process and mitigating regulatory risk associated with EtO emissions.

"Our selection of Picarro as the primary technology for EtO emissions monitoring and joint process efficiency studies is a testament to our commitment to provide the best available technologies to the market," said Richard Landtiser, PhD, Vice President of Innovation and Technology at Carus. "Together, we aim to push the boundaries of what is possible in EtO emissions management." 

"As leaders in the EtO monitoring space, we are excited to bring our technology into a collaborative relationship with Carus, a company well-regarded for its effective catalyst solutions," stated Joel Avrunin, Vice President of Environmental. "This partnership further supports our commitment to provide comprehensive emissions monitoring solutions that not only meet but exceed regulatory compliance requirements so that our customers can focus on their core business of producing life-saving medical devices."

About Carus LLC 
Carus LLC was founded in 1915 in LaSalle, Ill. and is a family-owned manufacturer of chemical products used by companies and municipalities. The company supplies products and services for municipal water treatment, wastewater, air purification and soil remediation. It is the only US-based manufacturer of its kind. Carus is a member of the American Chemistry Council, and actively participates in the industry’s award-winning Responsible Care® initiative, sharing a common commitment to improve environmental, health, safety and security performance. Learn more at our website:

About Picarro
Picarro, Inc. is a globally recognized provider of comprehensive emissions monitoring systems, specializing in the measurement of Ethylene Oxide, greenhouse gas, and hazardous air pollutants. Learn more at our website:

Press Contacts:
Carus LLC
Jake Kowalczyk
[email protected]

Picarro, Inc.
Jake Thill
[email protected]