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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF -?- i <br />DAII_ Y <br />1 <br />2 <br />3 <br />4 5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 13 <br />14 <br />1516 17 <br />18 <br />19 20 <br />21 <br />22 <br />23124 <br />23 <br />26 <br />27 28 <br />29 <br />30 <br />31 <br />Check pumps for proper operation <br />_ <br />J <br />acid tanks <br />Check caustiEseparwor <br />Check grease and flour <br />rate <br />Check storage tanks and a'.I piping <br />for leaks <br />', <br />t� <br />./1/'� <br />r' <br />/ <br />r,�: <br />_ <br />r <br />I: <br />r - <br />i <br />Clean PH probes <br />Check Safety Gear <br />r�, <br />7`- <br />r� <br />7` <br />Clean & Check all Eye Wash and <br />Safety Shoriers <br />pp <br />— <br />MIX <br />Cleaned Containment Area <br />WEEKLY <br />Clean grease separator <br />l <br />e <br />Calib,ate Oxygen Mcnilo, <br />I <br />f <br />l <br />l <br />Dean solids from PH acjust'ng <br />tank <br />7 <br />t <br />— <br />— <br />— <br />' I• <br />-- <br />Clean & Callbrate PH probes -y <br />Tuesday Tnursda & Saturcav <br />` <br />t <br />REPAIRS n : 7 •�- �' •�x.t <br />1 t <br />Zk <br />I <br />COMMENTS 1` <br />--)Lk <br />METHOD OF CAUBRATING <br />STEP I Begin with PI -17 soluticn, <br />let probe remain in solution <br />for approximately 15 minutes, <br />or until a stable reading is obtained. <br />STEP II - Same as above with <br />PH4 solution <br />STEP III - Sarne as above with <br />PH10 solutian• <br />- <br />S$GN & DAl-E -% V)/ F <br />