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' Section 12 <br /> . ONSITE Environmental Laboratories, Inc Revision 0 <br /> ' Qualiry Assurance Plan February 15, 1996 <br /> Page 3 of 6 <br /> ' 12 1 4 Worksheets <br /> The final product of the data processing procedure is a worksheet on which the <br /> ' final results to be reported to the client are summarized If the method <br /> software provides an equivalent form, such as the Contract Laboratory <br /> Program's Form 1 for GC/MS work, it is considered to be the worksheet <br /> 1 122 Data Review <br /> ' After processing, data verification is performed to demonstrate that data transcription <br /> and computation is correct <br /> ' 12 2 1 Initial Data review <br /> Data Review starts with the Mobile Laboratory Manager or a second analyst <br /> ' reviewing (verifying) that data processing has been correctly perfortned and <br /> reported Checks are made for internal consistency, proper identification, <br /> transmittal errors calculation errors, and transcription errors on all data input, <br /> calibration, calculations and transcriptions of results to the worksheet Each <br /> page checked and the worksheet must be signed/initialled and dated by the <br /> reviewer Preprinted summary checklists may be used and attached to the <br /> ' checked data which clearly describes the data checked, what the check was for, <br /> who did it and when, and if the data was acceptable <br /> ' > One hundred percent of all manual calculations and entries must be <br /> checked for a new employee who has not yet demonstrated proficiency <br /> After successfully passing the proficiency and trairung period, the <br /> ' supervisor will continue to verify 10% of all manual calculations <br /> > For inorganics, all data is reviewed for QC adherence and trending <br /> Review signature/initials and review date are entered on the first page <br /> of the data sheet <br /> > For organics, all data is reviewed for QC adherence and trending <br /> Review signatures/irutials and date of review can be found in each <br /> daily submission file <br /> :- Special attention is paid to positive results in the checking process <br /> i If errors are found during the 10% check, 100`70 of the calculations are <br /> ' checked <br /> Word 6 0 loelseci2 doc <br /> 1 <br />