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Typical Monitoring Well Construction <br /> Former John Taylor Fertilizer Co. Stockton, California <br /> Flush-mount H-20 <br /> traffic rated well- <br /> box <br /> Minimum 7-inch diameter boring <br /> 2-inch diameter Schedule 40 PVC <br /> Annular Groutbla n k casing <br /> Typical static water =====_== _-_=-_=-_=-= <br /> column—10 feet bgsBentonite seal- Minimum 2 feet; <br /> medium bentonite chips hydrated for <br /> minimum 1-hour <br /> Filter ack-#2/12 sand to minimum 2 <br /> p <br /> feet above top of screen <br /> Well screen—0.010-inch Schedule 40 PVC <br /> Shallow well- 15 to 30 feet bgs <br /> Deep well—70 to 85 feet bgs <br /> Threaded or glued end-cap <br />