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e <br /> r <br /> whether or not such material 's will have any impact o <br /> public health or sarety. <br /> c Whether or Trot. the develop en t i cause r runoff <br /> of roadway drainage, or runoff of sediment due to erosion, <br /> into any surface water body, watercourse br wetland a--nd"'Iffif _ <br /> it will adversely affect any fishery, shellfish bed or <br /> other wildlife or aquatic vegetative resources. <br /> (d) A determination of the levels, in total pounds and i <br /> pounds-per-acre, of nitrogen - and phosphorus which could be <br /> generated by the development. In making such de termi na-} <br /> 'Lion, the following standards shall be used unless the <br /> applicant demons Crates to the satisfaction of the Board <br /> that other standards are applicable: <br /> le Loading per hers n_- - -_1-b.s.#� n.i.tro e �per <br /> 1W <br /> year; 25 lbs-. hosphorus per person per year. Persons <br /> per delling .ui . <br /> a <br /> 2,, For commercial and industrial developments , nitrogen <br /> and phosphorus calcula-"L'Aons shall be derived from ex- <br /> p t waste water generation as specified bar Title V <br /> Oil Mass. General .aws ChapTer 21 A, Section 13. <br /> . Loading from lawn fertilizer: 3 l b . nitrogen per 1000 <br /> square feet per year (wil'.Pn a minimum f 15 l bs. per lot <br /> in a single-family subdivision) , . 17 lbs* phosphorous <br /> per 1000 square feet per year with a minimum of .8 <br /> ihs. per lot in a single-family subdivision ) . <br /> 4 <br /> L ad n o road r n -" l bs i r g en per road <br /> mile per day ov ;2 l bs . oMosphorus per road mile per <br /> day. <br /> (e) The existing condition of the receiving Water body,, or <br /> water supply (existing or proposed) , including physical <br /> characteristics and water chemistry. Measurement of exist- <br /> inn, 1 1* a t o r� n r l a 1 i rn t p ie Ke% o-r%mrr i&+prl A s r yk i n^ runner <br /> r <br /> r,.�. , ...,r �......r �..w.... .. 111%6�%r V� 1..W 1 i r f f a%..%r%..� ��r &a 1 a M 1 <br /> (peak population) conditions. Measurements shall specifi- <br /> cally include concentrations of total phosphorus in fresh <br /> water bodies and total ni+..,rogen in salt water bodies. <br /> f f The exp c ed change #n rt# ..ond L. o it era i.Z body or <br /> water supply as a result- of the proposed development. <br /> (g) The comparison, on a total pounds and a pounds-per-acre <br /> basis , of the total nutrient loading from the proposed. . <br /> development with the existing and potential loading from- <br /> all other deve l opmen�.s and acreage within the recharge area <br /> under existing i st i rig basic on i ng of am receiving surface_ <br />