PRTR estimation manuals are prepared by the government and the industries respectively for the purpose of the business operators to calculate the release amounts of chemical substances they handle。
The following“PRTR Estimation Manuls”have been prepared by respective industries.They have been compiled by the Society of Chemical Engineers，Japan，Japan Chemical Industry Association（JCIA）and the Organization for Small&Medium Enterprises and Regional Innovation，Japan.The manuals from1through22were prepared in FY2000and revised in FY2004.Those from23through26were prepared in FY2001and from27through29in FY2004。
