Emergency Planning and
Community Right-to-Know Act

The goal of the 1986 Emergency Planning and Community Right-to-Know Act (EPCRA) is to prepare communities for and
protect communities from chemical accidents. To ensure these goals are achieved, Section 301 of EPCRA required the creation
of State Emergency Response Commissions (SERCs), Tribal Emergency Response Commissions (TERCs), Tribal Emergency
Planning Committees (TEPCs), and Local Emergency Planning Committees (LEPCs). These groups share responsibility for
developing and implementing emergency response plans and providing residents with information on the presence and releases
of hazardous chemicals reported by facilities in each community. EPCRA has four major focus areas:

Sections 302 to 303 focus on emergency
planning. Section 302 requires notification when
Extremely Hazardous Substances (EHSs) are
present at facilities in quantities at or above the
Threshold Planning Quantity (TPQ) established in
the EPCRA regulations. Section 303 requires
LEPCs and TEPCs to develop initial emergency
response plans and update them annually and
outlines the required elements of the plans.

Sections 311 and 312 focus on hazardous
chemical storage reporting requirements. Section
311 requires facilities to submit a Material Safety
Data Sheet (MSDS) (Safety Data Sheet (SDS)) to the
SERC (or TERC), LEPC (or TEPC) and local fire
departments for each hazardous chemical (as
defined by the Occupational Health and Safety Act)
that they handle or store. Section 312 requires the
same facilities to submit a Tier I or Tier II hazardous
chemical inventory form to the SERC (or TERC),
LEPC (or TEPC) and local fire department. These
forms identify the amount, location and potential
hazards of each chemical on site at the facility at
any point during the year.

Section 304 requires notification of
accidental chemical releases. It requires facilities
to immediately report accidental releases of
certain chemicals to state, tribal and local
authorities. Facilities must immediately report
accidental releases of EHSs and "hazardous
substances" defined under the Comprehensive
Environmental Response, Compensation, and
Liability Act (CERCLA). Any releases of these
substances that meet or exceed their
corresponding Reportable Quantities (RQs) must
be reported to their SERC (or TERC) and LEPC (or
TEPC). Facilities are also required to submit a
written follow-up report of these releases to
these officials.

www.epa.gov/epcra
www.epa.gov/tri



Section 313 established the Toxics Release
Inventory (TRI). The TRI is a publicly available
database that contains information on the
quantities of certain toxic chemicals released
annually to air, water and land, or otherwise
managed as waste by industrial and federal
facilities throughout the United States.

The information facilities submit is compiled in
the TRI and made publicly available through
online tools, written analyses, and interactive
charts and maps. The information is always
available and always free, and helps support
informed decision-making by communities,
government agencies, companies, and others.

Fall 2020


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