Ambient sound level definition

Ambient sound level means the decibel measurement or dB(A) of background sound pressure level exceeded 90% of the time or L90 at a given location prior to the installation of a WECS.
Ambient sound level means the noise associated with a given environment, exclusive of a particular noise being tested, being usually a composite of sounds from many sources near and far, exclusive of intruding noises from isolated identifiable sources.
Ambient sound level means the reading on an integrating impulse sound level meter taken at a measuring point, in the absence of any alleged disturbing noise, at the end of a total period of at least 10 minutes after such meter was put into operation;

Examples of Ambient sound level in a sentence

Ambient sound level shall be established with the television set at 50 percent of maximum volume, showers running, bathroom exhaust systems running, and air conditioning units running.

Ambient sound level measurements should be performed when wind velocities aloft are sufficient to allow wind turbine operation and should report ambient sound levels for wind speeds aloft corresponding to turbine cut-in as well as the wind speed aloft corresponding to production of the greatest noise.

Ambient sound level: The reading on an integrating impulse sound level meter taken at a measuring point in the absence of any alleged disturbing noise at the end of a total period of at least 10 minutes after such meter was put into operation.

The Deposit shall be held by Escrow Agent in escrow as earnest money pursuant to the escrow agreement in the form attached hereto as Exhibit C, to be entered into among Seller, Purchaser and Escrow Agent (the “Earnest Money Escrow Agreement”), and delivered to Escrow Agent concurrently with the Deposit.

Ambient sound level data (measured in A-weighted decibels) from the Crossroads’ DEIS shall be used for those receptor locations and ambient data shall be collected for the new Forest Preserve location.


More Definitions of Ambient sound level

Ambient sound level means the reading taken at the end of a period at least 10 minutes, uninterrupted by an alleged disturbing noise, or an integrating impulse sound level meter placed at a measuring point during which period the said meter has been in operation at all times;
Ambient sound level means the reading on an integrating impulse sound level meter taken at a measuring point in the absence of any alleged disturbing noise at the end of a total period of at least 10 minutes after such meter was put into operation in terms of the Noise Control Regulations GR 2544 of 1990 in terms of Section 25 of the Environment Conservation Act (Act No 73 of 1989).
Ambient sound level means the composite of normal or existing sound from all sources, measured at a given location for a specified time of the day or night.
Ambient sound level means the composite noise from all sources near and far. In this context, the ambient noise level constitutes a normal or existing level of environmental noise at a given location and time.
Ambient sound level means the ‘A’ weighted sound level at a point of reception, excluding the noise or sound which is the subject of an investigation for a potential contravention of this Part;
Ambient sound level means the Sound Level measured by a Tester at a Point of Reception, which excludes the noise generated by an activity with respect to which a complaint about noise has been made;
Ambient sound level means the composite of normal or existing sound from all sources measured at a given location for a specified time of the day or night. The ambient sound level shall be measured with a sound level meter, using slow response and “A” weighting.