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:- <br />� , • • <br />Activity <br />Cate�ory <br />A <br />TABLE 1-- Noise Abatement Criteria <br />Hourly A-Weighted Sound Level - decibels (dBA) 1/ <br />Leq(h) <br />57 <br />(Exterior) <br />L10�h� Description of Activity Cate�ory <br />60 Lands on which serenity and quiet <br />(Exterior) are of extraordinary significance and <br />serve an important public need and <br />where the preservation of those <br />qualities is essential if the area <br />is to continue to serve its iatend- <br />ed purpose. <br />67 70 Picnic areas, recreation areas, <br />(Exterior) (Exterior) playgrounds, .active sports areas, <br />parks, residences, motels, hotels, <br />schools, churches, libraries, and <br />hospitals. <br />, C 72 75 Developed lands, properties, or <br />(Exterior) (Exterior) activities not included in Categories <br />A or B above. <br />D -- -- Und evel oped lands. <br />E 52 5 5 Residences, motels, hotels, public <br />• (Interior) (Interior) meeting rooms, schools, churches, <br />libraries, hospitals, and <br />auditoriums. <br />1/Either Llp(h) o r leq(h) (but not both) may be used on a project. <br />� <br />