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-� <br />Store #0131 <br />10825 N. Tatum Blvd. <br />Daytime <br />Positio❑ - Ambient Barking <br />Front of Building 55 dBA Not audible <br />Back of Building Barely Audible <br />(at 1' of rear door) 50 dBA Not measurable <br />50' Back of Building 50 dBA Not Audible <br />Not measurable <br />Roof 67 dBAI Not audible <br />Footnotes: <br />1. Roof-top A/C units <br />2. Cricl<et noise <br />3. Buzz from light Fixture <br />� <br />Nighttime <br />Ambient Barking <br />55 dBA Not audible <br />�: •: • <br />�: �:' <br />67 dBAl <br />Barely Audible <br />Not measurable <br />Not Audible <br />Not rneasurable <br />Not audible <br />COMMENTS: <br />The back door of Store #0157 is a vestibule double door system. During the daytime <br />measurements, the door to the interior side of the vestibule was open. During the nighttime <br />measurements, the interior door was closed. This double door or vestibule configuration was not <br />present at Store #0131. `I'he rear doors at both locations gave access directly into the space <br />occupied by the dogs. <br />APPROACH <br />Multiple measurements were obtained at each site during the sampting episode. The <br />sound measurements were obtained by use of category 1- IVIE FC-40 sound level and spectrum <br />analyzer. Wllile the "average dosage" exposure is perhaps the most common method of rr►easure <br />for classifying a time-varying sound level, for a given observation period, this testing episode <br />measured the "peak sound level" at given time. The "peak ]evel" is the highest level of sound <br />recorded for the multiple readings obtained during the sampling episode, <br />Since sound levels are expressed in decibels, which aze logarithmic, they cannot be <br />averaged arithmetically. Therefore, it is the underlying acoustic pressure squared that is averaged <br />