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Section 12 <br /> ' ONSITE Environmental Laboratories, Inc Revision 0 <br /> Quality Assurance Plan February 15, 1996 <br /> Page 2 of 6 <br /> ' > Direct acquisition and processing of raw data by a computer <br /> ' 12 1 2 Documentation <br /> No matter how data processing is done, sufficient documentation must be <br /> presented to allow another analyst to review and check the work The <br /> following must be present as hard copies in the data package <br /> ' > Sample preparation data and any dilutions performed <br /> > Instrument calibration calculations and summaries, including initial and <br /> ' continuing calibration, response factors, dilution factors, and <br /> calibration constants <br /> ' > Instrument run logs <br /> > AlI data necessary to check each calculation including, if applicable, <br /> equations, and hard copies of any manual data entries <br /> > Result summaries with any applicable corrections performed <br /> ' > For data that is computer processed, a copy of the input must be kept <br /> and uniquely identified with the batch identification and date <br /> > Sufficient information must be given on each document to allow a <br /> reviewer to follow the work from one document to another For <br /> example, instrument series numbers should appear on sample <br /> calculation and result forms <br /> ' 12 1 3 Good Laboratory Practices <br /> The analytical SOPS specify exactly what paperwork is necessary for each <br /> ' analysis Handwritten entries must be legible and made using indelible, <br /> photocopy reproducible ink Unused portions of any pages must be "Z-ed" out <br /> to show that no additional entries were made Corrections are made using a <br /> ' single line through the mistake, writing the correction next to it, and initialling <br /> and dating the correction For manual entry logs, the analyst will sign and <br /> date each page of supporting paperwork For any instrument output package of <br /> ' many pages, the analyst only need sign and date the output once, on the first <br /> page of the package <br /> Word 6 0\oe1[sec 12 doc <br /> 1 <br />