Learn the Issues

情况说明 - 预提案：关于环氧乙烷商业消毒机构的社区外展活动

HOJA INFORMATIVA - Pre Propuesta: Difusión a las comunidades sobre esterilizadores comerciales de óxido de etileno

Pre Proposal: Outreach to Communities on Ethylene Oxide Commercial Sterilizers Fact Sheet

Fact Sheet related to pre-proposal outreach to Communities on Ethylene Oxide Commercial Sterilizers

Method 2G - Flow Rate Measurement with 2-D Probe

CFR Promulgated Test Method 2G Determination of Stack Gas Velocity and Volumetric Flow Rate With Two-Dimensional Probe.

Frequently Asked Questions

FAQs, brownfields, assessment, cleanup, state, tribal, response, CERCLA, liability

Webinar: Solutions and Resources to Address COVID-19 in Schools: Establishing Lasting Improvements to Ventilation and IAQ

Improve IAQ, reduce risk of COVID-19 transmission, optimize school building energy performance, implement ventilation best practices and building design guidelines - mechanical and natural ventilation, filtration, in-room air cleaners, germicidal UV (UVGI)

Webinar: Ventilation and Virus Mitigation in Schools - Creating a Game Plan to Reduce COVID-19 Risk and Make Lasting Improvements to IAQ

Learn how proper IAQ management can help reduce health risks – including virus transmission

Webinar: Indoor Air Quality in K-12 Schools: Addressing the Concept of Layered Risk Amidst COVID-19

Learn how proper IAQ management can help reduce health risks – including virus transmission

Webinar: Meeting Current School Health Challenges and Beyond: New Tools to Assess and Address IAQ Health and Safety

Discover strategies to improve HVAC performance and reduce aerosol exposure in schools. Learn risk reduction strategies to promote effective exposure controls (face coverings, outside air, filtration, and portable air cleaners) for a safe return to school.

Webinar: What Schools Need to Know: Practices and Principles for Healthy IAQ and Reducing the Spread of Viruses

View the August 13, 2020, webinar: "What Schools Need to Know: Practices and Principles for Healthy IAQ and Reducing the Spread of Viruses."

Webinar: Let's Clear the Air - Using Ventilation Practices to Promote Healthy IAQ in Schools

View the July 30, 2020, webinar, "Let's Clear the Air: Using Ventilation Practices to Promote Healthy IAQ in Schools

Webinar: Cleaning for Health - Proactive Plans to Effectively Clean and Promote Healthy IAQ in Schools

View the August 6, 2020, webinar, "Cleaning for Health: Proactive Plans to Effectively Clean and Promote Healthy IAQ in Schools"

Commercial Vessel Discharge Standards: Additional Resources

Vessels resources, including permits, newsletters, and trainings.

PE certifying an SPCC plan in a different state

Except as provided in 40 CFR §112.6 for qualified facilities, a licensed Professional Engineer (PE) must review and certify an SPCC Plan for it to be effective to satisfy the requirements of Part 112 (§112.3(d)). When reviewing and certifying a facility’s SPCC Plan, must the PE be licensed in the…

Last published: July 17, 2025