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0 <br />SITE SPECIFIC HEALTH AND SAFETY PLAN <br />CLEAN-UP OF CHEMICALS <br />CIRCUIT WORKS, INC. FACILITY <br />152 FRANK WEST CIRCLE <br />STOCKTON, CALIFORNIA <br />Location: Circuit Works, Inc. Facility <br />152 Frank West Circle <br />Stockton, CA <br />Work Description: Removal and disposal of plating chemicals. <br />Hazardous <br />Materials: The following contaminants and/or hazardous materials are expected to be <br />encountered at the job site: Acids (sulfuric acid), heavy metals as <br />chromium, copper and lead, unknown liquid hazardous chemicals, <br />unknown solid hazardous chemicals and wastes, petroleum products as oil. <br />The likely route of exposure of these compounds is through skin contact <br />and air/vapor inhalation. The overall hazard is moderate. Analyses of <br />soil samples collected from the site during previous investigations have <br />detected the following concentrations: <br />1. pH - less then 3 <br />2. Copper - 84,900 mg/Kg (ppm) <br />3. Lead - 10,900 mg/Kg (ppm) <br />4. Chromium - 113 mg/Kg (ppm) <br />Monitoring Instrumentation: <br />The following instrumentation is available to monitor the air/vapor hazard <br />exposure: a hand air pump with Drager tubes (Sulfuric Acid). The <br />instrumentation is certified "intrinsically safe" by the manufacturers against the <br />initiation of explosion. The components to be monitored are: Acid fumes as <br />sulfuric acid. <br />Threshold Limit Value (Sulfuric Acid) - 1 mg/M <br />Monitoring Procedures: <br />Air in and around the work site will be surveyed using the sulfuric acid detector <br />SKC/Drager Tubes. Initial surveying of the air will commence prior to the start <br />of work. <br />