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- v r <br /> Union Ice Plant <br /> Project #89-271 <br /> 1.0 PROJECT IDENTIFICATION <br /> This project has been developed to explore a parcel of <br /> property known as Union Ice Company . This work plan <br /> will explore the possibility of total petroleum <br /> hydrocarbon contamination at this site . <br /> r 1.1 Legal Description <br /> Parcel 3 of the San Joaquin County Assessors map <br /> number 151-12 identifies this property as a 0.95 acre <br /> parcel . The physical address is 425 Forth Union <br /> Street . This parcel is known as [inion Ice . (Figure <br /> 1) . <br /> 1.2 Site History/Background <br /> On September 22 , 1989 Union Ice Compan executed a <br /> contract for the removal of the two (2� remaining <br /> underground storage tanks located on the property. <br /> These two (2) tanks were 100 and 500 gallons in <br /> capacity. The 100 gallon gasoline tank was located in <br /> the northwest corner of the service yard . The 500 <br /> gallon waste oil tank was located under the sidewalk <br /> just south of the main plant on North Union Street <br /> (Figure 2) . During the excavation high levels of <br /> petroleum hydrocarbons were encountered at both <br /> locations . The underground storage tanks were removed <br /> and the excavations were backfilled and covered with <br /> several inches of pea gravel. <br /> Because of this contamination , this work plan was <br /> developed to investigate this site. Analytical data <br /> from soil samples collected from beneath the tanks at <br /> the time of removal were not available at the time <br /> development . <br />