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1 • f <br />SOP <br />Revision 6 <br />1/8/1988 <br />Page 12 of 13 <br />o Analyst must record any calculations and insure data is filled <br />out in laboratory workbooks. All entries in workbooks must be dated, <br />referenced to a particular sample, and legible. <br />' o The analyst must also keep an instrument log for each instrument to <br />include GC/MS, GC, and AA, ICP, and one book for all small instruments. <br />11.0 Data Reduction <br />o The analyst is responsible for data reduction and filling out of <br />data reporting sheets. <br />o All data reduction for quality control sample analysis must also be <br />calculated by the analyst. <br />o All data reduction must be documented on the analytical worksheet <br />of the analyst. computerized ta reduction should also be indicated <br />in the worksheets. <br />o Group managers must check and initial analyst worksheet or <br />reporting form to document QC check. Another analyst will check and sign <br />if group manager is not available. (See Appendix 1 for sample form). <br />o All forms containing QC and sample reduced data must be forwarded <br />' to the appropriate Data Package file under the responsibility of the Data <br />i Manager. <br />12.0 Sample Records <br />o Sample documentation and active laboratory records are to be <br />secured in locked file cabinet when not in use. <br />' o Sample records, including worksheets, graphs, notebooks, <br />chromatograms and notes should be locked up when not in use. <br />55 <br />