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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF -z...- <br />DAILY <br />1 <br />2 <br />3 4 <br />F5 <br />6 <br />7 <br />8 9 10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17118 <br />19120 <br />121122 <br />123 <br />24 <br />25 <br />26 <br />27 <br />,[ <br />1^ <br />28 <br />29 <br />30 <br />31 <br />Check pumps for proper operation <br />Check caustic and acid tanks <br />Check grease separator and flow/ <br />rate <br />Check—storage tanks and all piping <br />for leaks <br />P1 <br />1z <br />(� <br />7� <br />yam` <br />v- <br />V/'9� <br />_ <br />1C <br />< _ <br />, <br />7'1 <br />�I <br />Clean PH probes <br />Check Safety Gear <br />Clean & Check all Eye Wash aryl <br />Safely Showers <br />,� <br />r <br />u <br />!_ <br />V4 <br />Cleaned Containment Area <br />!\ <br />y <br />WEEKLY <br />Clean grease separator <br />i <br />Calibrate Oxygen Monitor <br />Clean solids from PH adjusting <br />tank <br />Clean & Calibrate PH probes - <br />Tuesday Thursda • & Saturday <br />✓` <br />REPAIRS- <br />� c. <br /><t <br />I i ria- �.,e :Vi=e., �-i ;f,r•,,:�.- <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I - Begin with PH7 solution, let probe remain <br />STEP II - Same as above with PH4 solution. <br />in solution for approximately 15 <br />minutes, or until a stable <br />reading is obtained. <br />STEP III - Same as above with PH"0 solution. <br />SIGN & DATE <br />