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' Workplan for 19256 North 1-lighway 99- 12/22/98 page 15 <br /> Job No 024 98 <br /> tToxicological hazards of BTEX, (including local and systemic health effects) in general: <br /> I. Benzene=Bre>i ping of high concentrations of benzene may cerise acute poisoning, and <br /> t death. Repeated inhaDation of low concentrations often resuRt in severe or fataD <br /> ar;nemin; ADso, an eye irritant. <br /> 2. Toluene=Eye and respiratory irritant. Entreme inahaDation of vapors may cause death by <br /> parmDysis ofthe respiratory center. <br /> ' 3. Ethyl Benzene = SevereDy irrritating to eyes in strong concentrations. As tolerance to <br /> irritation increases, dizziness becomes appnrennt. Also, highly irritating <br /> to mucous membranes of the nose. <br /> 4. Xylene = Toxic; vapors in high concentration are anesthetic. Irritant to the shin and <br /> upper respimtoKy system. <br /> Physical hazards associated with site activities Slip, triR and fall hazards safety hazards associated <br /> ' with construction equipment, excessive noise <br /> VIII. SITE CHARACTERIZATION AND ANALYSIS <br /> A Site Information <br /> ' 1 The site is located at 19256 North Highway 99 in Acampo, California and is approximately <br /> 2 1/3 acres in size The topography is relatively flat and the surface consists of natural ground <br /> and imported gravel <br /> 2 Site Accessibility Front accessible from Woodbridge Road <br /> ' 3 Pathways for substance dispersion Gasoline is a high volatile product which is likely <br /> to dissipate into the air The primary path for dispersion is through the air, soil and <br /> groundwater <br /> ' 4 Anticipated weather conditions, (temperature, humidity) and potential for heat/cold <br /> stress winter weather conditions <br /> ' 5 The site was previously agricultural land and is currently i a liquid halt and road base <br /> quiasphalt <br /> ' company <br /> B Description of potential onsite wastes, based on preliminary site evaluation <br /> ' 1 The soil and possibly the groundwater may be impacted with gasoline hydrocarbons <br /> 2 Physical state of gasoline Liquid and vapor states <br /> ' 3 Chemical characteristics of gasoline Flammable <br />