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WSO Water Distribution, Grades 1&2 is organized into 22 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific distribution processes in detail. Other chapters cover water use and system design, water mains, hydrants and valves, water system supply security and public relations.These textbooks are reserved for our In-Person classes. Any orders for Virtual Classes or otherwise require shipment, will incur an additional shipping fee of $15.
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