2022-01-18_HYDROLOGY - M1983194 - Laserfiche WebLink

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B.15.4. Apparatus • Well location map • Electric water level sounder • Measuring tape with engineering scale (required if graduations on water-level sounder or interface probe are greater than 1/100 of a foot) • deionized water in a squeeze wash bottle • Compressed-nitrogen tank (required when using compressed nitrogen) • Compressed-gas regulator (required when using compressed nitrogen) • Nitrogen-jetting well-head apparatus (required when using compressed nitrogen) • Flexible compressed-gas transmission hose (required when using compressed nitrogen) • Threaded PVC pipe (required when using compressed nitrogen) • Jetting-T (required when using compressed nitrogen) • Suction-lift pump (optional) • PVC hose (optional) • Foot valve (optional) • Black permanent marking pen • Black ink pen • Safety equipment as required by NS safety procedures B.15.4.1. Procedures This procedure is composed of three sections: Inspection and Documentation, Maintenance Criteria and Corrective Action Protection, and Redevelopment Procedures. B.15.4.2. Inspection and Documentation Each item on the Field Data Sheet shall be completed as the inspection is conducted. Corrective action to eliminate deficient aspects of a well installation is described in the Section B.14.5 Maintenance Criteria and Corrective Action Protection. B.15.4.3. Surface Components Inspection The first step of the inspection is to inspect the above-ground components of a monitoring-well installation. Some surface components identified in this section of the procedure are optional and will not be required at each well installation. An example is guard posts. The Project Manager and well technician shall determine which components are required. • Check for presence of a lid on the steel security casing if used. If damaged, describe damage in the field data sheet. • Check the lock on the steel security casing for proper operation if used. • NS utilizes modified plastic drum enclosures to protect the in-field monitor wells. The structures are secured to a concrete pad and the doors are padlocked. Check the lock on the drum and the structural integrity of the drum itself. • Inspect the steel security casing for damage if used. • Inspect the casing riser for damage. No contamination should be able to enter the well through openings in the side of the casing riser. Note that some casing risers have a weep Daub &Associates, Inc. Page B-35 Natural Soda LLC 2022 SAP