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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF 2e3(—) <br />DAILY <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />F 17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />27 <br />28 <br />29 <br />30 <br />31 <br />C,teck pumps for proper operation <br />Check caustic and acid tanks <br />Check grease separator and flak <br />rate <br />Check storage tanks and all piping <br />for leaks <br />Clean PH probes <br />!\ <br />Check Safety Gear <br />Clean & Check all Eye Wash and <br />Safety Showers <br />Cleaned Containment Area <br />y— <br />l <br />:•J <br />/` <br />WEEKLY <br />Clean grease separator <br />Calib, ate oxygen Mon it o. - <br />Clean solids from PH adjustirg <br />tank' <br />I „ <br />l <br />Clean & Calibrate PH probes - <br />Tuesday Thursday & Saturday <br />!� <br />}G <br />tt <br />REPAIRS <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I - Begin with PI -17 solution, let probe remain in solution for approximately 15 minutes, or until a stable readir•g is obtained <br />STEP II - Same as above with PH4 solution. <br />STEP III - Same as above with PH 10 solution. <br />SIGN & DATE <br />