plastic resin and manmade fiber release transfer profile iv chemical this section is designed to provide background information on the pollutant releases that are reported by industry best source of comparative toxic inventory tri p ursuant emergency planning community right know act tr i includes self facility data for over 600 toxi c chemicals facilities within sic codes 20 through 39 manufacturing industries have more than 10 employees above weight based reporting thresholds required report site off transfers presented sector notebooks derived from most recently available 1995 year which focuses primarily each because requires consistent regardless it an excellent tool drawing comparisons across type amount media receptor released or transferred although notebook does not present historical informatio n regarding time please note in general