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:� *'�.� . -�_��rr�� �- °-.-�.`` �`x-�u.�r�+���sa•����� � �d� .�$�i'�" '�.+_� '�$� �tsu�w�w..�.��x;.��. � il'�`�°'ate <br /> Gx <br /> A 1. G S V I Ft <br /> Cit # !! •ic. S1717� � � .� <br /> ®ctomr 19, 1901 <br /> r:lr. .I[rry Moore <br /> Moore f'utrolf-lufn. <br /> 5,,.91 .F- Street <br /> L3t3rita3, California 95�C3't <br /> Subject; Quarterly Groundwater Monitoring Report <br /> Monro Petroleum, Inc. (Frink's Exxon #=t) <br /> 138th We51 Fronlage 1103d, t lanteca, C311c r,!_t <br /> Dear M., Moore: <br /> Aegis Enviroi inientai, Inc. (Aegis), is p cased to provic:e rrloofr F7elrcleu:i3,1nC.,thi,t(:tter <br /> fCpart documenting the rCStlitS of r�Uc�rterly grburiciviater monitoring, from May througn <br /> July 1991, at the subject site (Figure 1). The monitoring included colieMtion ofmonthly <br /> depth-to-groundwater measurements and quarierly grater sample5 from niomioring Lapis <br /> tjW-1 thrcugh 1AW8. All monilorin,.) w0s are located on site except p,W-5 (f=igure 2). <br /> This letter report is based, in part, on information obtained by Aegis irOn' pruv:caus <br /> consultants and is subject to modification as ne•:rly acgu;rcd information m3y warrant. <br /> The site is occup,ed by an active Exxon service stall n anti convenience store. The <br /> station retails regular-leaded, <br /> regular-unleaded.and suprf.fv,ie-titi!eaded gasoi,nes. Detail, <br /> cf the site's current facildiGs, including underground storage tanks, were reported by <br /> proAegject <br /> in i a is 1'Limited <br /> cated on the die;tbsutfaCO i side 1of State t-iighviay 99. on the nor thern outskirts ha <br /> project s t,: <br /> Manteca, Cafifarnia, in a commerccat/agricultural area. <br /> BACKGRQUN€) <br /> Aegis began a program Of quarterly monitoring in.lana.rY 1991. Work performed at the <br /> sate by previous consuitarits included investiyatio„s by Earth Treatment Systems, Inc. <br /> (ETS).Delta Environmental Consultants.Inc.(Delta),and Natirjns Groundwatca Asscciatr<s <br /> (NGA). <br /> x �r � <br /> GEOLOGISTS IiKGI\Tit iiti Ci ft(lt tiJ ti1'Ai ti ft !iClf`�71S3S <br />