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151 U.S. Environmental Protection Agency	April 15,2021
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mm \ Office of Inspector General
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At a Glance
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Why We Did This Audit
We received four congressional
requests regarding actions by
Regions 5 and 6 to address
ethylene oxide emissions. In
response, we conducted this
audit to address:
•	Whether the U.S.
Environmental Protection
Agency complied with all
statutory, regulatory, and
policy requirements and
protocols in disclosing
public health information
about ethylene oxide
emissions from three
facilities in Illinois.
•	Whether EPA senior
political appointees
instructed EPA inspectors to
avoid conducting
inspections at ethylene
oxide-emitting facilities
across Regions 5 and 6.
•	Whether the EPA has
conducted inspections at
ethylene oxide-emitting
facilities in Regions 5 and 6.
In December 2016, the EPA
revised its characterization of
ethylene oxide to "carcinogenic
to humans."
This audit addresses the
following:
•	Improving air quality.
This audit addresses a top EPA
management challenge:
•	Communicating risks.
Address inquiries to our public
affairs office at (202) 566-2391 or
OIG WEBCOMMENTS@epa.gov.
List of OIG reports.
EPA Delayed Risk Communication and Issued
Instructions Hindering Region 5's Ability to Address
Ethylene Oxide Emissions
The EPA did not achieve its
mission when senior leaders
issued instructions to Region 5
that impacted the region's
ability to address ethylene
oxide emissions and when the
EPA delayed communicating
health risks regarding ethylene
oxide.
What We Found
The EPA delayed communicating health
risks to community residents in Illinois, which
is part of EPA Region 5, who lived near
ethylene oxide-emitting facilities. Specifically,
Office of Air and Radiation leadership
delayed informing the Willowbrook, Illinois,
community about the results of the EPA's
May 2018 short-term monitoring around the
Sterigenics facility and did not conduct public
meetings with residents either near the Medline facility in Waukegan, Illinois, or
the Vantage facility in Gurnee, Illinois. Outside of the residual risk review
process, the Office of Inspector General did not identify any statutory, regulatory,
or specific policy requirements or protocols to disclose public health information
about ethylene oxide emissions. The EPA's mission statement and risk
communication guidance state, however, that communities should have accurate
information to participate in decision-making processes.
According to two Region 5 managers, a then-senior leader in the Office of Air and
Radiation, who was a political appointee, instructed Region 5 to not conduct
inspections at ethylene oxide-emitting facilities unless invited by the state to
conduct a joint inspection. Region 6 managers and inspectors stated that they did
not receive such policy instructions. Office of Air and Radiation senior leaders
also issued additional instructions that hindered Region 5's ability to effectively
address ethylene oxide emissions, according to Region 5 personnel.
The EPA delegates authority to state, local, and tribal agencies to implement
federal environmental programs. The states in Regions 5 and 6 generally
inspected major and synthetic minor facilities that emit ethylene oxide from fiscal
years 2018 through 2020, according to the frequencies outlined in the EPA's
2016 Clean Air Act Stationary Source Compliance Monitoring Strategy or a
state's alternative Clean Air Act CMS plan.
Recommendations and Planned Agency Corrective Actions
We recommend that the assistant administrator for Air and Radiation develop
standard operating procedures describing the roles and responsibilities of the
Office of Air and Radiation and EPA regional offices in assessing and addressing
air toxics emissions and how the Office of Air and Radiation will work with regional
offices to communicate preliminary air toxics risk information to the public. The
Agency's response to the draft report stated that its air toxics strategy would
address these recommendations. We reviewed the draft air toxics strategy, and it
did not address our concerns. We consider the two recommendations unresolved.

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