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2.0 Site Description/Background Information <br /> The site is a small single-story structure with a small parking lot situated on a rectangular, 0.058-acre <br /> property located near the intersection of North Locust Drive and Main Street(Figure 1). <br /> The facility was operated as a dry cleaner until around 1993 using various solvents, including <br /> tetrachloroethene (PCE). A number of site investigations and regulatory reviews were conducted in the <br /> vicinity of the Site under the oversight of the Central Valley Regional Board.The site investigation results <br /> indicate that soil gas and groundwater samples were impacted with VOCs. <br /> 2.1 Scope of Work <br /> This plan addresses health and safety issues involved with the following tasks: <br /> • Collection of soil, soil gas, groundwater and air samples <br /> • Installation of soil vapor probes <br /> An Activity Hazard Analysis (AHA) for each of these activities is presented in Appendix B of this HASP. If <br /> the scope of work is altered or if additional tasks are assigned, an addendum to this HASP shall be <br /> developed to address the specific hazards associated with these changes. <br /> 2.2 Project-Specific Information <br /> 2.2.1 Chemicals of Concern <br /> The suspected contaminants found on this site may be exposed during intrusive activities. The routes of <br /> exposure from these contaminants are primarily through inhalation of vapors and dusts and by direct <br /> contact with contaminated media. See Table 1 for a summary profile of the hazards and control <br /> measures to follow for the contaminants of concern (COC). This profile is based on recent site history <br /> and site characterization. For more detailed and specific information, always refer to the Safety Data <br /> Sheet(SDS) or equivalent information for the compound (see Appendix C). <br /> Table 1 <br /> Contaminants of Concern Profile <br /> TCE Colorless liquid(unless dyed blue)with 100 parts NE NE <br /> a chloroform-like odor, irritation eyes, per million <br /> skin; headache,visual disturbance, (ppm) <br /> lassitude(weakness, exhaustion), <br /> dizziness,tremor, drowsiness, nausea, <br /> vomiting;dermatitis;cardiac <br /> arrhythmias, paresthesia; liver injury; <br /> 2-1 <br />