Estimates state that 85% of tetrachloroethylene produced is released into the atmosphere; while models from OECD assumed that 90% is released into the air and 10% to water.
Det skønnes at 85 % af den producerede tetraklorethylen frigives til atmosfæren, mens modeller fra OECD antager, at 90 % er frigivet i luften og 10 % til vand.