The vendor is required to provide consulting services for include:
1. Quarterly groundwater monitoring reports
• Consultant will perform all water quality sampling as required.
• During all monitoring reporting periods, consultant will review field notes and laboratory data in a timely fashion so that data review is completed quickly.
• The data review will include:
o Providing technical and regulatory expertise to city staff.
o Review of all field notes to verify that proper sampling techniques were utilized.
o A thorough data quality check to verify that holding times, required analyses, reporting limits and laboratory precision requirements have been met.
o Updating water level and groundwater quality databases.
o Performance of a thorough quality control check on all data to verify that only correct information is input into the databases.
• All sample analyses will be checked against sample collection dates to verify that holding times were met.
• Analytical results will also be checked to verify that all required analyses have been performed and that laboratory quality assurance results were within acceptable limits.
• Any identified problems will be detailed in the quarterly reports.
• The procedure for laboratory data entry includes manual transfer of data into the existing database.
• Water level information and field data will also be manually input.
• All data entered into the database will be checked to ensure that the database is accurate.
• Laboratory reporting limits, BPO’s and maximum concentration levels will be highlighted with bold font so that the reader can easily discern potential problems.
• The quarterly groundwater monitoring reports will include the following information:
o A transmittal letter containing an abbreviated summary, including discussions on violations and any actions taken or planned.
o An executive summary of current monitoring results.
o A discussion of groundwater occurrence and movement, including hydrographs for each well, a groundwater elevation contour map, and groundwater gradient calculation.
o A discussion of groundwater quality, including field and laboratory methods, statistical methodology and results, tabulated analytical results, copies of laboratory reports and chain of custody forms, copies of field forms, and graphs of constituents detected at concentrations exceeding intra-well statistical variances.
o Sludge chemical analyses.
o Conclusions, and as needed, recommendations.
o All data entered into the database will be checked to ensure that the database is accurate.
2. Annual groundwater monitoring reports
• The annual groundwater monitoring reports will be prepared in combination with the yearly first quarter reports (January-march; report due April 30).
• Groundwater monitoring well data summaries.
• Including tabular and graphical summaries of groundwater levels and sampling results for all annual data, graphical presentation of groundwater constituents that equaled or exceeded BPOs or maximum concentration levels during any quarter if the monitoring period, and summary table of vadose zone sample results.
• An annual summary, discussion and recommendations regarding the detection of VOCs, and any statistical background concentration limits for VOCs which were analyzed within the constraints of available data quality and quantity.
• A discussion of groundwater quality at the landfill, a discussion of vadose zone quality and potential impacts to groundwater quality, and updated information relating to the groundwater monitoring systems and hydro-geology of the landfill.
3. Leachate sampling and reporting
• A sample of the leachate will be collected and analyzed for all EPA constituents in October of each year.
• If compounds are detected in the October leachate sample, a retest sample will be collected the following April.
• The retest sample will be tested only for the compounds that were detected for the first time in the October sample.
• The results of these analyses will be submitted in the appropriate quarterly report (fourth quarter for the October sample, second quarter for the April sample).
4. Leachate (LCRS) phase two annual performance monitoring system testing
• The phase two performance monitoring system will be tested annually in accordance with the landfill leachate management plan, and the landfill waste discharge requirements (WDRS).
• The annual test shall be performed no later than October 31 of each year or a date agreed upon by the board.
• A LCRS annual performance monitoring system test report form is required and is provided in the landfill leachate management plan for the consultant.
• A copy of the performance monitoring test report shall be provided to the board in accordance with the board monitoring and reporting program for the landfill reference in the leachate management plan.
5. Leachate (LCRS) regulatory compliance dye test
• Consultant will perform all activities needed to perform the annual LCRS sump dye test including, but not limited to, ordering and installing leachate level transducers and flow meters, troubleshooting equipment, several trips to the field to confirm operation of equipment, communication with city staff, and project logistical support.
6. Condensate (CCRS) annual sampling and report preparation
• The condensate management plan, condensate from all condensate and collection recovery system (CCRS) will be sampled and analyzed no later than October 31 of each year.
• The analytical results of the condensate sampling and analysis performed in item 2 above will be reported to the board in the fourth quarter report due no later than January 31 of the following calendar year.
7. Database management
• The existing database will be reviewed and edited such that only data relevant to the current groundwater movement, quality and hydrogeologic character is included for statistical analysis.
• A separate data base will also be maintained and updated as needed for historical trends.
8. Landfill expansion support
• Provide continued technical support for landfill related to cell construction and expansion in the event that additional phases are added during this agreement period.
• Includes project management, field support and all required witnessing, supervision, documentation, and reporting for the decommissioning or relocation of water quality monitoring wells, as needed.
9. Other tasks
• Provide the city with general consulting services including all miscellaneous requests and technical support for all unforeseeable events related to groundwater and surface water quality and protection at the landfill.
- Contract Period/Term: 3 years
- Questions/Inquires Deadline: September 3, 2025
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