The contractor shall also perform duties, such as but not limited to: providing technical assistance to field personnel, maintaining appropriate test and laboratory records, entering testing records and charges in the SAP B1 system or other database; contacting vendors, contractors, or manufacturers to obtain information to aid testing of equipment and to resolve testing and equipment problems; providing technical assistance to field personnel; maintaining appropriate test and laboratory records; entering testing records and charges in the SAP B1 system or appropriate database; contacting vendors, contractors, or manufacturers to obtain information to support testing and to resolve testing and equipment problems. Employee shall perform testing, evaluation, and calibration activities related to: water quality monitors and sensors, and other water quality equipment, water-level sensors, flow measuring sensors including mechanical velocity meters, flumes, and acoustic Doppler systems, and data acquisition and telemetry systems.