REPUBLIC OF BULGARIAREPUBLIC OF BULGARIAMINISTRY OF THE ENVIRONMENTStandard levels ofpermissible emissions (concentrations in waste gases) of harmful substances, emitted into theatmospherePromulgated StateGazette No. 81/01.10.1991Article 1(1) The standard levels of permissibleemissions apply to existing production processes and activities as well as tothe design and construction of new industrial and other projects - sources ofemissions.(2) In cases of reconstructionand modernization of production processes in operation, the standard levelsconcerning new projects apply.Article 2(1) At studying or developingprojects the investor and the designer are obliged, besides adhering to thesestandard levels, to make clear what the air pollution in the region of the sitewill be for each specific project and to provide for such measures (degree oftreatment and height of the emission chimney-stack) that after the completionof the project the content of harmful substances in the air at the level ofb...