 Complete the following phrase:  The inventory was first proposed in a 1985 New York Times op-ed piece written by David Sarokin and Warren Muir, researchers for an environmental group, INFORM. Congress established TRI under Section 313 of the Emergency Planning and Community Right-to-Know Act of 1986 EPCRA, and later expanded it in the Pollution Prevention Act of 1990. The law grew out of concern surrounding Union Carbides releases of toxic gases in the 1984 