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CALIFORNIA 'TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF <br />DAILY <br />1 <br />2 <br />—3 <br />4 <br />5 <br />r. <br />-7 <br />B 1 <br />9 <br />Ila <br />11 <br />1-2 <br />-13TI <br />47 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />---------- <br />21 <br />22 <br />23 <br />24 ] <br />25 <br />26 <br />27 <br />281 <br />29 <br />30 <br />31 <br />Cheek pumps for proper operation <br />Cheek caustic and acid tanks <br />Check grease separator and ilow <br />rate <br />Check storage tanks and all piping <br />for leaks <br />A <br />- <br />4Z:2 <br />j' <br />J� <br />Clean PH probes <br />Check Safety Gear <br />Clean & Check all Eye Wash and <br />z'l <br />' <br />vU- <br />A - <br />P <br />Safety Showers <br />Cleaned Containment Area <br />WEEKLY <br />Clean grease separator <br />Calibrate Oxygen Monitor <br />Clean solids from PH adjusting <br />tank <br />Clean & Catibrate FH probes - <br />x <br />Tuesday Thursday &Saturday <br />X <br />REPAIRS <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I - Begin with PH7 solution, <br />STEP II - Sarne as above wit'i PH4 <br />let probe remain in solution for approximately 15 minutes, or until a stable reading is obtained <br />solution. <br />STEP III - Same as above %vith PI <br />-i10 solution. <br />sy-.K1 JL nAT= <br />