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ENERCON have caused a discernable impact to groundwater underlying the subject property.Based on review of public databases, it is anticipated that groundwater may be no deeper than 50 feet bgs. 4.0 PROPOSED SOIL SAMPLING SCOPE OF WORK The location of the proposed soil boring is shown on Figure to whahmalnal location of the y be encountered during the posed boring will be determined based on access and factors as investigation,but is intended to be in close proximity to the location shown on Figure 1. 4.1 Pre-field Activities Prior to conducting the field work, Underground Services Alert (USA) will be contacted so that utilities in the public right of way associated with USA subscribers can be located and marked. An approved site specific Health and Safety Plan prepared by ENERCON will be adhered to during the assessment. 4.2 Sampling Soil Borings Before drilling,the boring location will be hand-augered to approximately five feet bgs to identify and avoid possible buried utilities. The soil boring will be advanced by a Geoprobe using direct push methods. Soil samples will be collected and logged from the proposed soil boring. Soil samples for the purpose of stratigraphic definition will be collected at five-foot intervals or as necessitated by field observations. Each sample collected will be described according to the Unified Soil Classification System(USCS). 4.3 Groundwater Sampling and Analyses A groundwater sample will be collected from the soil boring using a Hydropunch devise. The sample will be contained in laboratory-grade volatile organic analysis vials. The sample will be labeled with the project number,sampler's initials,boring number,and the time and date at which the sample was obtained. Following sample labeling,groundwater sample will be preserved and transported within an insulated chests containing ice and maintained at a temperature of approximately four degrees Celsius. Laboratory QA/QC will be performed commensurate with US EPA Level II QA/QC procedures. 4.4 Sample Analysis The analysis of the proposed groundwater sample will be conducted by using EPA Methods 8015 and 8260B by a laboratory certified by the State of California. 5.0 PROJECT SCHEDULE For the purposes of this proposed schedule,it is assumed that the SJCEHD will complete the review of this workplan within five business days. The field work could be scheduled to begin within three business days of the workplan approval and the field work is expected to be completed within one business day. The groundwater sample will be analyzed at a laboratory within 10 business days. A report summarizing the work would be completed within 15 business days following receipt of the laboratory analytical reports. ENMISC1745 Page 3 September 14, 2009