Laserfiche WebLink
T._ <br /> October 23, 1991 <br /> Quik Stop Markets,Inc. Page 3 <br /> Project No.3-49132-32 <br /> from the wells and equipment rinse water were placed in Department of Transportation <br /> approved drums and left on-site pending the laboratory analytical results. <br /> The sample collected before pumping was designated MW-5A. The well was then pumped <br /> - at a rate of approximate)ytltree hotliors.s A rminute he end of thtis putd not dewater mp ng, anotherhwat rlsample <br /> period of approximately <br /> was obtained using the same ortpr to Appliedredescribed Alyt cal, Incl designated stterti t d aBalytical <br /> samples were then transported <br /> laboratory located in Fremont, <br /> ont California,and analyzed for TPHG and BTl✓X. The results <br /> of these analysts are presented <br /> Ethyl Total <br /> Sample TPHG Benzene Toluene Benzene Xylenes <br /> Sample Same b) ( b) ( b) <br /> Num—. <br /> Date ( b) <br /> ' MW-SA 8!30191 <br /> 1700 6.1 3.3 27 3.3 <br /> MW-SB 81301'91 770 <br /> 2.8 <0.5 8.2 <0.5 <br /> TPHG Total petroleum hydrocarbons as gasoline <br /> ppb Parts per billion(Lgil) radical glwutation limit for the method. <br /> <0.5 Not detected at or above listed p <br /> After 200 gallons of water had been pumped from MW-5, all compounds which were <br /> analyzed for were found to decrease. <br /> Quarterly Field Operations <br /> 1991 quarterly sampling,RESNA personnel measured the depth <br /> Prior to the September 11, g product at each well using an <br /> to groundwater and checked for the presence of floating sample from the <br /> optical interface probe. A clear acrylic bailer w used uacl water <br /> surface she or odor: none as <br /> wells,to check for the presence of floating Pli <br /> detected. Groundwater samples for laboratory analysis were then collected from each ell <br /> fellowing the procedures outlined in our <br /> groundwater <br /> sa ling protocol Appeni <br /> Approximately four well-casing volum were removed fwell <br /> before sampling. Groundwater removed from the wells and equipment rinse water were <br /> P <br /> placed in Department of Transportation approved drums and left on-site pending the <br /> laboratory analytical results. <br /> Groundwater Elevations <br /> er 11, <br /> 1 Prior to <br /> Depth to groundwater measure tos15 67 feet below were obtained on <br /> surface band are included with <br /> sampling. They ranged from 15.3 <br /> the well elevations in Table 1. et un watneelevations t;velal(MSL) a ed onculated from eavaii available survey <br /> ranged from 11.78 to 12.09 <br />