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,4 . Quik Stop Market No 121 CCI Project No 12118-2 Page 3 On September 22, 2000, CCT contracted Industrial Waste Utilization (IWU) of San Jose, California to pump water from the well Prior to pumping, CCI collected a water sample from MW-3 for laboratory analysis IWU pumped a total of 400 gallons of water from the well It should be noted, the water table was relatively low and the well was dewatering during pumping The water was transported to Seaport Environmental, located in Redwood City, California for proper disposal The laboratory(North State Environmental, located in South San Francisco, California) reported the water sample colleted from MW-3 prior to pumping contained 6,200 ug/1 TPHg , 52 ug/l benzene and 140,000 ug/l MTBE As previously mentioned, the water sample collected from the well on October 5, 2000 was reported to have 800 ug/l TPHg and 110,000 ug/l MTBE No BTEX compounds were detected in the October 5th sample A copy of the Iaboratory report for the September 22, 2000 sampling of MW-3 is attached in Appendix B CCI recently submitted a Work Plan to the San Joaquin County Public Health Services, Environmental Health Division, for Additional Well Installations at and near by the subject site Upon the San Joaquin County's approval of the addendum to the Work Plan and CCI obtaining approval from adjacent property owners for access, CC1 will conduct that investigation during the current quarter CCI will continue to monitor the site on a quarterly basis to gather additional groundwater quality data at the site The next quarterly sample round is scheduled for January 2001 Limitations The discussion presented in this report is based on the following 1 The observations of the field personnel, 2 The results of the laboratory analyses performed by a state certified laboratory, 3 Our understanding of the regulations of the State of California and San Joaquin County It is possible that variations in the soil or groundwater conditions could exist beyond the points explored in this investigation Also, changes in groundwater conditions could occur at some time in the future due to variations in rainfall, temperature, regional water usage, or other factors The services performed by CCI have been conducted in a manner consistent with the level of care and skill ordinarily exercised by members of our profession currently practicing under similar conditions in the Manteca area No other warranty, express or implied, is made Please note that contamination of soil and groundwater must be reported to the appropriate agencies in a timely •� manner CCI includes in this report chemical analytical data from a state-certified laboratory CCI has been informed that the analyses are performed according to procedures suggested by the U S EPA and