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i • <br />... <br />,~ ._.: <br />.,_.:.. <br />l!N!:crMf.. ,.Ft~.~t~st~?,';i~ar,~~,.z:-.;~:°r~~ + r~s,sa~;~ <br />QUALITY ASSURANCE PLAN <br />All files, when not In use are kept n locked file cabinets. Computer data security <br />rs maimained by restricting entrance to canputer data inirxmation. <br />7.2 Commercial Products <br />1) Only high purity gases (calitxation grade) are utilized <br />2) NIST slrrWard reference matenals are utilized <br />3) Cless'A' glassware is part of the internal quality control program <br />B.0 IJ0.BORATORY NOTEt~OO1C3 <br />Tho laboratory notebook is the primary source for doctxnerttetion of eedt <br />individual analyst Laboratory notebooks are used for rerprdinq all <br />experimental, lesbng, and analytical notes and data. <br />r Laboratory notebodcs should: <br />1 } Not leave the laboratory <br />2) Be hard covered and bound <br />3) Have all entries made in ink <br />4) Have all papas numbered and dated <br />5) Have all the pertinent information gathered by the analyst portaininq to the <br />sample <br />e] $how deletion of errors by drawing a sinplo line through the error and show <br />initials of person making deletion <br />7) tae maintained in a professional marK+ar to withstand chalknpes as to the <br />validity, acwracy, or legibility of its contents <br />8) Entries should be made timely and not accumulated for more than one day <br />9.0 CONTROL OF MEASURING AND TEST EQUIPMENT <br />Records of calibration of laboratory instruments are meintairted artd fella within <br />two categories: <br />1) Calibration which is conducted on a routine basis prior to each use, and <br />~ 2) Scheduled calitxation of irtstrwnenls and gauges against known standards <br />TL 39tld ~Q5 169E66S6ILL aB ~SB b66i/ET/LB <br />