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BS8233
BS8233: 1999: 'Sound Insulation and Noise Reduction for Buildings - Code of Practice' replaced the previous 1987 edition and incorporated significant ...
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PPG24
Planning Policy Guidance Note 24 'Planning and Noise' (PPG24) was published by the Department of the Environment in 1994 with the objective of providing ...
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Industry
BS4142 has been in existence for many years during which time it has ... The background level is then subtracted from the rating level and BS4142 then ...
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