(a) The laboratory shall generate a data package for each batch of samples that the laboratory analyzes. At a minimum, the data package shall contain the following: (1) The name and address of the laboratory that performed the analytical procedures; (2) The names, functions, and signatures of the laboratory employees that performed the sample preparation, analyses, and reviewed and approved the data; (3) All batch sample results and batch LQC sample results; (4) Raw data, including instrument raw data, for each sample, if any; (5) Instrument test method with parameters, if any; (6) Instrument tune report, if any; (7) Instrument calibration data, if any; (8) LQC sample report with worksheets, forms, or copies of laboratory notebook pages containing pertinent information related to the identification and traceability of all reagents, reference materials, and standards used for analysis; (9) Analytical batch sample sequence, if any; (10) The field sample log and the COC form; and (11) The COA created as required under this chapter. (b) After the data package is compiled, the supervisory or management laboratory employee shall do the following: (1) Review the analytical results for technical correctness and completeness; (2) Verify that the results of each analysis carried out by the laboratory are reported accurately, clearly, unambiguously, and objectively; and (3) Approve the laboratory results by signing and dating the data package prior to release of the data by the laboratory. (c) The data package shall be kept for a minimum of 7 years and shall be made available upon request by the Bureau. Authority: Section 26013, Business and Professions Code. Reference: Sections 26100, 26104, 26110 and 26160, Business and Professions Code.