Salinas, Puerto Rico (Steri-Tech, Inc.)
Steri-Tech, Inc. is located at Carretera 701 Km 0.7 Salinas Industrial Park, Salinas, PR and has been operating as a sterilizer since 1986 for several medical manufacturing companies in Puerto Rico. The facility uses ethylene oxide (EtO) to sterilize medical equipment and materials.
EPA scientists and analysts recently completed a risk assessment to understand the impact of EtO emissions from the Steri-Tech, Inc. facility. As part of this risk assessment, we used the most recent available information about how much EtO the company emits into the air and we modeled estimated cancer risks to people living nearby. The risk assessment identified elevated cancer risk in the Salinas community. EPA is committed to working with state and local agencies, facilities, and communities to reduce this risk.
Steri-Tech, Inc.
This map shows EPA’s estimates of lifetime cancer risks from EtO near Steri-Tech, Inc. in Salinas, PR. As you can see from the map risk decreases with distance from the facility.
The area in blue shows estimated lifetime cancer risks of 100 in a million or greater from breathing air containing EtO emitted from the facility (or the same as 1 additional cancer case in 10,000 people). A lifetime cancer risk of 100 in a million means that, if 1 million people were exposed to this level of EtO in the air 24 hours a day for 70 years, 100 people would be expected to develop cancer from that exposure.
The area in dark blue on the map shows that EtO exposure could contribute to a maximum increased risk level of 60 cancer cases if 10,000 people were exposed for 70 years (or 6,000 in 1 million). EPA cannot predict whether an individual person will develop cancer.
View a larger version of the map and legend in a new browser tab.
For this risk assessment, we looked at excess cancer risk attributable to a single chemical, EtO. This estimated risk is in addition to the risk of developing cancer from other causes. This is a worst-case scenario that assumes a person stays in the highest risk area 24 hours a day continuously for 70 years. EPA takes this approach because we want to be protective of the most exposed and most vulnerable individuals from risk associated with EtO emissions from this facility.
What EPA is Doing to Address Ethylene Oxide
In March 2024, the U.S. Environmental Protection Agency (EPA) strengthened Clean Air Act (CAA) standards for EtO emissions from commercial sterilization facilities. To protect the public and the environment, EPA creates and enforces the rules according to a variety of environmental laws and regulations. The CAA regulates toxic substances in the air and EtO is classified as a toxic substance in the air.
EPA and the Puerto Rico Department of Natural and Environmental Resources (DNER) are committed to working together to reduce emissions at Steri-Tech.
- Learn more about regulation for EtO Sterilization Facilities.
- For more information about actions you can take.
- Learn more about EPA’s updated EtO standards.
Community Updates
In March 2024, EPA strengthened CAA standards for EtO emissions from commercial sterilizers. Community updates on the Salinas facility and the updated standards are below.
- June 2024 Community Update for Salinas, PR June 2024 English (pdf) June 2024 Spanish (pdf)
- Overview of Final Air Toxics Rule for EtO Sterilization Facilities
In August 2022 and January 2023, EPA worked with the Puerto Rico Department of Natural and Environmental Resources and local partners to host community public meetings for the Salinas community to learn more about EtO and risks from commercial sterilizers.
- August 30 Community Presentation August 30th Spanish (pdf)
- Transcript of August 30 Community Meeting Spanish Transcript (pdf) English Transcript (pdf)
- January 2023 Community Meeting Presentation January 2023 Spanish (pdf) (pdf) January 2023 English (pdf) (pdf)