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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH n t~ < _ -f-. t i.- <br />DAILY <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />1 <br />2 <br />3 <br />4 <br />5 <br />14 <br />15 <br />1 G <br />17 <br />18 <br />, 19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />2G <br />27 <br />28 <br />29 <br />30 <br />31 <br />Check pumps for proper coerafion <br />f <br />Check caustic and acid tanks <br />Check grease separator and ftotiv. <br />rate <br />Check storage Tanks arra all piping <br />/ <br />-Y <br />✓ <br />j <br />fof leeks <br />/ <br />.'>.. <br />)•. <br />="' <br />,','% <br />Clean PH probes <br />, <br />Check Safety Gear. <br />Clean &Check all Eye tVash <br />anc <br />Safety Showers <br />v? <br />Cleaned Containment Area <br />WEEKLY <br />Clean grease separa!of <br />v� _ <br />Calibrate Oxygen 'vloniter <br />— <br />r <br />Clean solids from PH adjusting <br />I <br />• <br />,tank <br />Clean & Calibrate PH probes - <br />7uesday Tnursday 8 5aturdav_: <br />.1 1 K_ y- <br />REPAIRS <br />r- - <br />� <br />�i <br />1; '- Com- •r.� ��r•i •tt ! <br />•) <br />+ <br />..1. <br />i . . <br />- <br />i <br />COMMENTS E <br />METHOD OF CALIBRATING <br />STEP I - 8ergin with PH 7 solution, <br />STEP <br />let probe rema <br />n in solution for approximately 15 minutes, or until a stable reading <br />is <br />obtained <br />II Same as above %vith <br />PH4 <br />solution. <br />STEP III Same as above with <br />PH 10 solution. <br />. } <br />- -- -- SIGN & DATL; 7( <br />