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Why the EPA has issued a health warning to residents near a South Memphis plant

The plant is one in 13 states and Puerto Rico the Environmental Protection Agency issued warnings about, regarding emissions of the chemical ethylene oxide.

MEMPHIS, Tenn. — The Environmental Protection Agency is warning residents who live near medical sterilizing plants in 13 states and Puerto Rico about potential health risks from emissions of ethylene oxide, a chemical widely used in their operations.

Concerns near South Memphis plant

One of those plants is in South Memphis. The City of Memphis said it has been made aware that the EPA is reaching out to neighbors near the Sterilization Services of Tennessee facility located at 2396 Florida Street. The city said the company is a commercial sterilizer that uses ethylene oxide (EtO) to sterilize devices. EtO is used to clean everything from catheters to syringes, pacemakers and plastic surgical gowns.

City officials said the Memphis plant has been operating since 1976 and the Shelby County Health Department’s Air Program has permitted the facility since 1985. They said the facility follows the EPA’s current regulations.

“Today’s EPA announcement about the possibility of increased risk around facilities that use EtO understandably raises concerns of people that live in the area,” Mayor Jim Strickland said. “I will do everything I can to get immediate and definitive testing by EPA of this facility and information to our citizens so that we can understand whether a risk exists and what we can do to mitigate it. When I was informed about this pending announcement, I immediately contracted with an environmental company to test the air near the facility. I was relieved to know that during the four-day monitoring period levels of EtO were not detected over OSHA determined permissible limits, but despite those findings, our community deserves to know the results of definitive monitoring as soon as possible. We will work closely with our partners at Shelby County and the Shelby County Health Department to keep you informed.”

Read the report provided to the City of Memphis HERE.

What neighbors need to know

The Shelby County Health Department said Sterilization Services of Tennessee does not exceed short-term health benchmarks. But the concern is that a lifetime of exposure to EtO emissions could lead to long-term health impacts at the current levels.

The health department said the EPA will host a community meeting in Memphis on Sept. 8, 2022. Residents who wish to attend are urged to register at https://www.epa.gov/hazardous-air-pollutants-ethylene-oxide/forms/memphis-tennessee-sterilization-services-tennessee#form.

The health department said it has been working closely with federal, state, and local leaders to make sure everyone affected gets the information needed. 

The EPA will also conduct a national public webinar on August 10, 2022, from 7:00 to 8:30 p.m. CST. Click this link to register: https://www.epa.gov/hazardous-air-pollutants-ethylene-oxide/forms/ethylene-oxide-risk-commercial-sterilizers#register

Other plants notified

The agency has notified 23 commercial sterilizers — 19 in the continental U.S. and four in Puerto Rico — that their operations pose an elevated risk of cancer and other ailments. The notice follows a recent survey of emissions data from almost 100 commercial sterilizers nationwide.

Laredo, Texas; Ardmore, Oklahoma; and Lakewood, Colorado, are among the communities facing the highest risk from ethylene oxide emissions, EPA said.

Ethylene oxide is used to clean everything from catheters to syringes, pacemakers and plastic surgical gowns.

While short-term or infrequent exposure to ethylene oxide does not appear to pose a health risk, EPA said long-term or lifetime exposure to the chemical could lead to a variety of health impacts, including lymphoma and breast cancer. EPA said it is working with commercial sterilizers to take appropriate steps to reduce emissions.

“Today, EPA is taking action to ensure communities are informed and engaged in our efforts to address ethylene oxide, a potent air toxic posing serious health risks with long-term exposure,” EPA Administrator Michael Regan said in a statement Wednesday.

EPA will conduct public outreach campaigns in each of the communities where elevated risks have been found, including an Aug. 10 webinar. More than half the sites on EPA's watch list are in predominantly minority or low-income communities.

Laredo, one of the communities targeted by the EPA notice, is a border city where the vast majority of residents are Latino and more than a quarter live in poverty. Missouri-based Midwest Sterilization Corp. operates a sterilization plant in Laredo. The company also owns a plant in Jackson, Missouri that is on EPA's watch list.

More than 40% of Laredo's nearly 70,000 schoolchildren attend campuses in areas with an elevated risk of cancer due to ethylene oxide emissions from the Midwest plant, according to an analysis by ProPublica and the Texas Tribune.

A spokesperson for Midwest declined immediate comment. But the company told ProPublica and the Tribune last December that cancer risk from its Laredo plant is overstated. Emissions it reported to the EPA are “worst case scenarios,” rather than specific pollution levels, the company said.

The Ethylene Oxide Sterilization Association, an industry group, said in a statement that ethylene oxide has been used for decades by the health care community to sterilize a wide variety of medical devices and equipment. More than 20 billion health care products are sterilized each year in the U.S. alone.

In many cases, there are no practical alternatives currently available to ethylene oxide, the group said, adding that use of less effective cleaning methods "could introduce the real risks of increased morbidity and mortality'' at hospitals throughout the country.

EPA called medical sterilization “a critical function that ensures a safe supply of medical devices for patients and hospitals.'' The agency said it is committed to addressing pollution concerns associated with EO, sometimes called EtO, "in a comprehensive way that ensures facilities can operate safely in communities while also providing sterilized medical supplies.''

Proposed rules to update control of air toxic emissions from commercial sterilizers and facilities that manufacture EtO are expected by the end of the year, with final rules likely next year, EPA said.

Scott Whitaker, president and CEO of the Advanced Medical Technology Association, another industry group, applauded EPA "for its forthrightness about what it does and doesn’t know” about EtO, but added: “It is critical that the EPA get this right.″

A potential shutdown of medical-device sterilization facilities “due to misinformed political pressure, as well as uncertainty regarding which regulations the facilities must adhere to .... would be disastrous to public health,″ Whitaker said in an email.

At least seven sterilizers on EPA’s watch list are AdvaMed members, including both Midwest plants and two owned by industry giant Becton, Dickinson and Co., also known as BD.

Besides medical cleansers, EtO is used in a range of products, including antifreeze, textiles, plastics, detergents and adhesives. It also used to decontaminate some food products and spices. Two of the 23 facilities targeted by EPA — in Hanover and Jessup, Maryland — are used to sterilize spices. Both are operated by Jessup-based Elite Spice.

Other commercial sterilizers cited by EPA are located in Groveland, Fla.; Salisbury, Md.; Taunton, Mass.; Columbus, Nebraska; Linden and Franklin, New Jersey; Erie and Zelienople, Pa.; Memphis and New Tazewell, Tenn.; Athens, Texas; Sandy, Utah; and Richmond, Virginia;

Four plants are Puerto Rico: Anasco, Fajardo, Salinas and Villalba.

EPA's announcement shines a light on health threats that sterilizer facilities pose to millions of Americans, said Raul Garcia of the environmental group Earthjustice.

“Now that EPA has new information on precisely where the worst health threats are, the agency must use its full authority to ... require fenceline monitoring at these facilities (and) issue a strong new rule,'' he said. “No one should get cancer from facilities that are used to sterilize equipment in the treatment of cancer.”

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