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0 0 <br /> STANDARD REQUIREMENTS FOR MONITORING WELL <br /> INSTALLATION REPORTS -2 - <br /> G. <br /> 2 -G. Well Sampling: <br /> Minimum time after development before sampling (48 hours) <br /> Well purging method and amount of purge water <br /> Sample collection and preservation method <br /> QA/QC procedures <br /> H. Water Level Measurement: <br /> The reference point and ground surface elevations at each monitoring well shall be determined within <br /> 0.01 foot. Method and time of water level measurement shall be specified. <br /> I. Proposed time schedule for work. <br /> Monitoring Well Installation Report of Results <br /> A. Well Construction: <br /> Number and depth of wells drilled <br /> Date(s) wells drilled <br /> Description of drilling and construction <br /> Approximate locations relative to WWTF and discharge area(s) <br /> A well construction diagram for each well containing the following details: <br /> Monitoring well number Depth to top of bentonite seal' <br /> Location Thickness of bentonite seal <br /> Date drilled Thickness of concrete grout <br /> Total depth drilled' Boring diameter <br /> Depth of open hole''' Casing diameter <br /> Footage of hole collapsed Casing material <br /> Length of slotted casing installed Size of perforations <br /> Depth of bottom of casing' Well elevation at top of casing <br /> Depth to top of sand pack' Date of water level measurement <br /> Number of bags of sand Depth to which water was first found' <br /> Thickness of sand pack Depth to which water was found after perforating' <br /> ' From ground surface <br /> 2 Same as total depth if no caving appears <br /> B. Well Development: <br /> Date(s) of development of each well <br /> Method of development <br /> Volume of water purged from well <br /> How well development completion was determined <br /> Method of effluent disposal <br /> Field notes from well development should be included in report <br />