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5.2 Water Treatment Chemical Reagents <br />Chemical reagents used in the water treatment process will be stored within or adjacent to the <br />water treatment building. Primary reagents to be used are calcium hydroxide (lime), sodium <br />hydroxide, soda ash, sodium EDTA, and hydrochloric acid. Table 1 lists the chemical reagents or <br />products that are stored and used on site. <br />5.3 Chemical Reagent Containment <br />All chemical reagents with the exception of lime, hydrochloric (muriatic) acid, and soda ash will <br />be stored within the water treatment building on concrete containment. Lime and soda ash are <br />stored and dispensed from above ground silos located adjacent to the water treatment facility. <br />Hydrochloric acid is stored in two tanks contained within a concrete storage containment system. <br />Chemical storage containers for liquid reagents have adequate collection and containment to store <br />110% of the largest contained vessel. <br />All bulk and portable reagent containers are clearly marked for contents in accordance with OSHA. <br />Reagents are stored in well - ventilated areas designed to maintain separation and safe storage of <br />the chemical reagents. Incompatible reagents such as acids and bases or other specifically reactive <br />chemicals are stored and dispensed in a manner to prevent accidental contact or mixture. With the <br />exception -of acids and bases there are no further incompatible materials stored or used in <br />association with-the water treatment facilities. Emergency showers, eyewashes, and first -aid <br />stations are available where chemicals are stored and used. Drawing 1 depicts the water treatment <br />plant and emergency facilities including the eye wash stations and shower. <br />6.0 OPERATION, MAINTENANCE, AND SAFETY PROCEDURES <br />6.1 Operating Procedures <br />Operating procedures are primarily related to on -site handling, movement, and use of water <br />treatment chemical reagents. Employees involved in this work will be trained on the safe storage, <br />handling, and disposal of these materials in accordance with BMRI Standard Operating Procedures <br />(SOPs) and the OSHA Hazard Communication (HazCom) standard. Activities associated with <br />operation of the water treatment facility include: <br />ERP and SPCC Plans AES, Inc. <br />Battle Mountain Resources — San Luis, CO 5 April 2015 (Update) <br />