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(2)welded flanges, welded joints, and welded connections that are visually inspected for leaks on a daily <br /> basis; <br /> (3) sealless or magnetic coupling pumps and sealless valves,that are visually inspected for leaks on a <br /> daily basis; and <br /> (4) pressurized aboveground piping systems with automatic shut-off devices (e.g., excess flow check <br /> valves,flow metering shutdown devices, loss of pressure actuated shut-off devices) that are visually <br /> inspected for leaks on a daily basis. <br />