Specifications include, but are not limited to: 3.2.1 Validation and evaluation of the laboratory data provided by the Sampling and Analysis Contractor (SAC). Upon receipt of the hard copy or electronic copy of laboratory reports and electronic data deliverables from the SAC, the Successful Bidder shall complete laboratory data validation and evaluate the laboratory data in accordance with the existing EMP requirements and Refuse Disposal Permit. Data Validation and Evaluation shall include: a. Chain of custody; b. Holding times; c. Preservative and bottle type for each analytical method; d. Trip blanks and field blanks for contamination; e. Method blanks (lab blanks) for lab contamination; f. Relative percent difference of the blind field duplicates; g. Ion balances; h. Consistency with historical data; and, i. Requirements of analytical methods (instrument tuning, internal calibration and check samples, dilution calibration, and matrix and surrogate recoveries). 3.2.2 Data entry into the existing database of historic site data. The Successful Bidder shall maintain a database for the duration of the contract. The County will provide the existing groundwater and surface water database to the Successful Bidder (Microsoft Access format). 3.2.3 Statistical analysis of the data: The Successful Bidder shall update the historic dataset and then perform a statistical analysis to determine if downgradient concentrations exceed upgradient concentrations for specific groundwater constituents and for specific ground water wells as specified in the site EMPs. 3.2.4 Report generation for the County and Maryland Department of the Environment. The Successful Bidder shall present the results of the data analysis in a Semi-Annual Report in accordance with the EMP. The report at a minimum will include: a. Executive Summary; b. Narrative, including recommendations; c. Data tables showing various detections for the current sampling event; d. MCL and GWPS exceedances for the current sampling event;