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Weston & Sampson <br /> * i iv E ic n s I <br /> i <br /> Mr . George Costa, Chairman <br /> September 27 , 2909 <br /> Page Four <br /> Ifighwood' s water is deteratin d to be highly corr-osive,, <br /> schedule for, treating he water to prevent corrosion should be <br /> obt lined from the. i_ghwuod Water Company . This necessary t <br /> comply witt, cui.-rent. State regulations , Depending on tphi <br /> obed el it a necessary t provide corr� sion oonLr �l <br /> through the adoption Of a small, ph adjustment system at the <br /> Shoo . <br /> Intexlm-F. <br /> In the interim, until lead concentiati oils become acceptable <br /> either through natural Plumbing systeat aging or from ego ret: _ion <br /> of corrosion r-ub � , w r�e commend that a samplingan al'alysi <br /> rograw continue to monitor the: leach voncent rations aril that. Lhe <br /> I. c hoof ris t i tote a daily before s ho 1. flushing pro r 'I*l s <br /> flushing progr-am is to insure that water l not used that <br /> been i,rj �c�c)rit t with i,Aie plumbing rsysst eat for more t h a it 6 hou'_ w:* , <br /> Thi pt-ogram should1' ricludes <br /> 1 . Open I nq the outride faucets rurt.h st array f rom Lh <br /> service lire on each iirst f loot wing of the S01001. <br /> bul 1diny and the sink faucets in t tie sp e c*o n(I f loot <br /> a hr c) s and Jetting the wafter run for 10 minutes, ; <br /> 2 , opening the valves on all drinking w ter fountains and <br /> letting the water run for Z minute an <br /> 3 , Opening all kitchen fa i t and l e A l rig the water r ti n <br /> for 2 minuteotq . <br /> To assure he flushing proyl'am Is adequate to reduce l ad <br /> concei-itrations to a safe level , Sam le )Iotjld be collected and <br /> analyzei.rnrr c3i atfei d f.t. r Lha i rni ji 'lu hire , Simi lot 1.1y, Fit <br /> the end of tfie school tray samples e�t)oijld be collecited end <br /> analyzed for lead to assure *uncent rat " 11 ��av 1��t L i �.+II �r r <br /> the course of the day to UnSat.e level,,,- ,. This a iiti 1 tiro r i <br /> should be repeated oii weekly bat r ka fnr the next ri.ko tit h . <br /> 'ol owinc this a re�ev ►lu tion of the :t- g1jai.ity can be made. <br /> QD.T.Ltl we d--U.a v,-1;�d-A Q t t 1,c-,ft V-s-ft-er..t <br /> The school should continue. to be supplied w th bottled wet-, r <br /> r Cir i nki ng pu rpo ; un ti I ;s-aitip i ri y rersu I Ui co II f 4L 1,01 t110, b(I eq Ila <br /> of t-he rec mmend. d f Itis inq progr r . <br />