ARCHIVED REPORTS_REVISED DRYWELL CLOSURE AND INVESTIGATION WORK PLAN

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Neil O.Anderson&Associates HASP Page 2 of 21 ! March 18, 2014 ! 2.0 SITE DESCRIPTION The subject property is Neil O. Anderson & Associate's (NOA) Lodi Office. The site consists of a ! warehouse style building with offices, a large shop that consists of a laboratory, a fog curing concrete room (Fog Room), a maintenance shop, and miscellaneous equipment. The eastern section of the Site is a paved parking area and the southern portion is equipment, trailer and vehicle storage. ! The Fog Room is where concrete is cured by a Fog Curing Concrete System, which involves the frequent application of a fine fog mist to keep concrete samples moist. After the fog moistens ! the concrete, it drains into two (2) exterior drywells. The drywells are located just east of the center of the warehouse/office building. The resultant concrete curing waste water may contain high pH values and heavy metals. ! 3.0 ROLES AND RESPONSIBILITIES ! Personnel anticipated to be onsite at various times during site activities include: • Project Manager ! Senior Geologist • Field Team Leader • Field Personnel ! 3.1 Responsibilities of the Field Team Leader The Field Team Leader will direct the site activities. The Field Team Leader has the primary ! responsibility for ensuring that all personnel are aware of: • Names of personnel and alternates responsible for site safety and health. ! Safety, health, and other hazards present onsite. • Use of personal protective equipment (PPE) and ensuring that the equipment is available. ! Work practices by which the employee can reduce risks from hazards. • Safe use of engineering controls and equipment onsite. • Medical surveillance requirements, including recognition of symptoms which might ! indicate overexposure to hazards. • Site control measures, decontamination procedures, site standard operating procedures, and the contingency plan and responses to emergencies including the necessary PPE. ! The Field Team Leader is also responsible for ensuring that all employees have received at least 40 hours of health and safety instruction (offsite), and three days of actual field experience under the direct supervision of a trained experienced supervisor. Workers who may be exposed ! to unique or special hazards shall be provided additional training. The Field Team Leader also monitors the performance of personnel to ensure that mandatory ! health and safety procedures are being followed, and corrects any performances that do not ! ! 902 Industrial Way•Lodi,CA 95240-209.367.3701•Fax 209.333.8303 02014 Neil 0.Anderson&Associates,Inc.