Column 1 | Column 2 | Column 3 | Column 4 | |||
Sensitive receptor | Time of day | Acoustic quality objectives (measured at the receptor) | Environmental value | |||
L Aeq,adj,1hr | L A10,adj,1hr | L A1,adj,1hr | ||||
residence (for outdoors) | daytime and evening | 50 | 55 | 65 | health and wellbeing | |
residence (for indoors) | daytime and evening | 35 | 40 | 45 | health and wellbeing | |
night-time | 30 | 35 | 40 | health and wellbeing, in relation to the ability to sleep | ||
library and educational institution (including a school, college and university) (for indoors) | when open for business or when classes are being offered | 35 | health and wellbeing | |||
childcare centre or kindergarten (for indoors) | when open for business, other than when the children usually sleep | 35 | health and wellbeing | |||
childcare centre or kindergarten (for indoors) | when the children usually sleep | 30 | health and wellbeing, in relation to the ability to sleep | |||
school or playground (for outdoors) | when the children usually play outside | 55 | health and wellbeing, and community amenity | |||
hospital, surgery or other medical institution (for indoors) | visiting hours | 35 | health and wellbeing | |||
hospital, surgery or other medical institution (for indoors) | anytime, other than visiting hours | 30 | health and wellbeing, in relation to the ability to sleep | |||
commercial and retail activity (for indoors) | when the activity is open for business | 45 | health and wellbeing, in relation to the ability to converse | |||
protected area or critical area | anytime | the level of noise that preserves the amenity of the existing area or place | health and biodiversity of ecosystems | |||
marine park | anytime | the level of noise that preserves the amenity of the existing marine park | health and biodiversity of ecosystems | |||
park or garden that is open to the public (whether or not on payment of an amount) for use other than for sport or organised entertainment | anytime | the level of noise that preserves the amenity of the existing park or garden | community amenity |