• Industrial noise sources

Ministry of Environment and Water 
Regional Inspectorate of Environment and Water – Pazardjik

Ministry of Environment and Water 
Regional Inspectorate of Environment and Water – Plovdiv

• Protocols (records) from acoustics measurements

Ministry of Environment and Water 
Regional Inspectorate of Environment and Water – Smolyan

• Details of the information resource connected with the component 'Noise'

Ministry of Environment and Water 
Regional Inspectorate of Environment and Water – Stara Zagora

Ministry of Healthcare 
National center in radiobiology and radiation protection