The Contractor shall perform and complete in a timely and satisfactory manner laboratory analytical and reporting services, and otherwise do all things necessary for or incidental to the performance of work, as stated herein. 4.1 The Contractor shall: 4.1.1 Assign an account representative to work directly with MSDH representatives to fulfill the following requirements of coordinating scheduling, shipping, receiving, analyzing, and reporting sample results for Modified UCMR5. 4.1.2 Use appropriate EPA Methods 533 and 537.1 for Per- and Polyfluoroalkyl Substances (PFAS). 4.1.3 Analyze a laboratory Field Blank when the method requires the analysis /detect exceeds the Minimum Reporting Level (MRL) as necessary. 4.1.4 Generate, based on the MSDH spreadsheet, a pre-filled Chain of Custody (COC) to include: PWS name, PWS ID number, site IDs, site name/description, etc.