Regulation No. 9 on limit values for sulphur dioxide, nitrogen dioxide, fine particulate matter and lead in ambient air. Country/Territory Bulgaria Document type Regulation Date 1999 Source FAO, FAOLEX Subject Air & atmosphere Keyword Air quality/air pollution Pollution control Access-to-information Monitoring Geographical area Black Sea, Eastern Europe, Europe, Europe and Central Asia, European Union Countries Abstract This Regulation sets concentration limit values and alert thresholds for a range of air pollutants such as sulphur dioxide, nitrogen oxide, fine particulate matter and lead. Full text English References - Legislation Implements Clean Ambient Air Act. Legislation | Bulgaria | 1996 (2011) Keyword: Air quality/air pollution, Emissions, Hazardous substances, Monitoring, Pollution control, Special fund, Offences/penalties, Environmental standards, Basic legislation, Standards, Protection of environment Source: FAO, FAOLEX Regulation No. 7 on ambient air quality assessment and management. Legislation | Bulgaria | 1999 Keyword: Air quality/air pollution, Monitoring, Access-to-information, Data collection/reporting, Pollution control Source: FAO, FAOLEX