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6. The absolute value of the raw instrument value must be less than the MDL for all blanks . 7 . If method control limits for any measurements are exceeded (including control limits for sample matrix spikes), then the analysis must be repeated if possible. All sample data that is associated with a failed quality control measure must be appropriately qualified as specified in Chapter 62- 160, F.A.C. An explanatory comment must be attached to the final report for each result that has a qualifier code other than U, I, or A. Any additional qualifier codes used, but not explicitly provided for in Chapter 62- 160, F.A. C. , must be identified and defined in the report. 8 . The reported MDL and PQL for each sample must be adjusted for dilution factors and any relevant preparation weights and volumes . 9 . If a field blank, equipment blank or trip blank result is greater than the MDL, the result must be confirmed by reanalyzing a new aliquot of the sample . The laboratory must investigate sufficiently to determine that positive blank results are not due to a laboratory error, and report results with appropriate qualifiers and/or comments . 3 . FIELD ACTIVITIES A. All sample collection and field activities shall be performed in accordance with the Department ' s "Standard Operating Procedures for Field Activities" (DEP-SOP-001 /01 dated January 1 , 2002 . B . Any non-standard field procedure shall be submitted for review and approval in accordance with FA 2000 of the Department ' s Standard Operating Procedures . The procedure must be approved by the Department before use . 4. REPORTING, DOCUMENTATION AND RECORDS RETENTION A. All laboratory and field records as specified in Chapter 62 - 160, F .A. C., shall be retained for a minimum of five years after the project completion. B . In addition to the NELAC-compliant laboratory report, the Contractor shall require that the laboratory provide additional information to satisfy the "Tier 1 " validation requirements as outlined in DEP-QA-002/02 . C. All applicable data qualifier codes as mandated by Chapter 62- 160, F.A. C . , and included in DEP-QA-002/02 shall be used. D . The Contractor shall adhere to the documentation and records requirements for project data contained in DEP-QA- 002/02 . E. All field and laboratory records that are associated with work performed under this contract shall be organized so that any information can be quickly and easily retrieved. 5 . AUDITS A. AUDITS BY THE DEPARTMENT — Pursuant to 62- 160. 650, F.A. C., the Department may conduct audits of field and/or laboratory activities. In addition to allowing Department representatives to conduct onsite audits, the Contractor, upon request, must provide the Department with the requested information, including the raw analytical data for all analyses of a sample (regardless of whether the data are reported) . If an audit by the Department determines that the data are not usable for the proposed purpose, the Department reserves the right to terminate the contract and require the Contractor to reimburse the Department for all payments made for work done on the collection or analysis of data. B . PLANNING REVIEW AUDITS — 1 . Initial: Within one month after the second sampling and analysis event has been completed (including all analyses), the Contractor and all associated subcontractors shall review the planning document (see 6 below) relative to the field and laboratory activities to determine if the data quality objectives are being met, identify any improvements to be made to the process, and refine the sampling design or schedule. A summary of the review, including any corrective action plans or amendments to the planning document shall be sent to the DEP Agreement No. G0061 , Attachment G, Page 2 of 4