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Section 3: Chemical Safety and Emergency Planning

Risk Management Plans

The Risk Management Plan (RMP) complements TRI in that it provides details on chemical hazards and emergency planning. RMP and TRI cover some, but not all, of the same chemicals, as shown in this figure. Of the 140 chemicals covered under RMP , 53 are also individually listed TRI chemicals. The RMP chemical with the greatest quantity processed at facilities is “flammable mixture,” which can consist of mixtures of different flammable gasses and liquids such as propane, butane and isobutane.² Approximately 2,700 facilities report to both TRI and RMP. RMP also provides information on many sectors not covered by TRI, such as Sewage Treatment Facilities.

RMP and TRI data complement each other when a facility reports under both programs. RMP submissions provide details on where the chemical is used and how the facility prevents and prepares for accidental releases. TRI data provide details on the process-related, non-accidental releases of the chemical. In the following graphic, chlorine is used as an example of how TRI and RMP data may be combined for a more complete picture of the facility’s handling of the chemical.

² Flammable mixtures are covered under RMP if a regulated substance is in the mixture above 1 percent and the entire mixture meets the National Fire Protection Association flammability hazard rating of 4 (NFPA-4).

This page was published in January 2015 and uses the 2013 TRI National Analysis dataset made public in TRI Explorer in October 2014.