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4 . 3 The Special Permit Granting authority shall be the <br /> ;y Board of Appeals . <br /> v 4 .4 Such Special Permit rr:av be granted if the Board of <br /> Appeals determines that the intent of the by-1at&i <br /> as ,:,ei ] as the specific provision, cf the <br /> I ,L Performance Standards are met . in making such <br /> determinations , the Board of Appeals shal 1 gi ,e I <br /> consideration to: <br /> z a . the simplicity, re ] ia.Gilit> and fea.=_ iGility of <br /> i the control measures proposed <br /> b. the degree of threat to water qua.l i t_jr which <br /> f would result f the control measures failed <br /> r <br /> I c . the recommendations of the Water Qua.l i ty <br /> Review Committee <br /> E ,f 4. 5 The Board of Appeals. , shall explain any departures <br /> f from the recommendations of the Water Gual ity <br /> Review Committee in its decision . <br /> 5. Per•f_-r =rice Standard_ <br /> ,.1 To preserve the natural land surface providing <br /> high qua.l i ty recharge to the groundwater , to <br /> l imi t sewage flow and ferti 1 izer• application to � <br /> amounts which will be afaquately diluted by F' <br /> natural recharge , and to prevent the di s_ har•ge i <br /> or leakage of toxic ha.za.rdous substances into # <br /> the groundwater resource , all uses., other than 1 <br /> single family dwellings, shall meet the following J <br /> performance standards : <br /> 5. 10 The concentration of nitrate nitrogen resulting from <br /> domestic disposal and from feet i 1 i zer• a.ppl i cation , <br /> when diluted by rainwater recharge on the lot <br /> shall not exceed 10 pasts per mi 1 l i on (ppm) . s <br /> Compliance with th this standard d <br /> dard s i presumed under <br /> the following conditions : <br /> a . For dwelling uses: s.ewa.ge f 1 ow a: <br /> determined by Title 5 of the State <br /> Environmental Code not exceeding 1 10 gallons <br /> (gPd) per 10 , 000 sq . ft . of tot vr•E <br /> less than 10% of the lot area ma. inta. intt <br /> cut t i '.'ated lawn , and a feet i 1 i zer use of less <br /> than six pounds- nitrogen/1 , 000 square feet <br /> per year , or less . <br /> b. For non-dwelling uses : a sewage flow <br /> determined by Title 5 not exceeding 150 <br /> gallons per day per 1 0 ,000 square feet of lot <br /> i <br />