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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF --r,... �. <br />DAILY <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 9 10 <br />11 <br />12 <br />13 <br />1d <br />15 <br />1fi <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 27 <br />28 <br />2930 <br />31 <br />Check pumps for proper operation <br />Check caustic and acid tanks <br />_ <br />Check grease separator and now <br />/ <br />rate <br />Check storage tanks and all piping <br />for leaks <br />Clean PH probes <br />Check Safety Gear <br />u <br />Clean &Check all Eye Wash and <br />Safety Showers <br />!` <br />` <br />I <br />Cleaned Containment Area <br />i <br />WEEKLY <br />Clean grease separator <br />Calibrate Oxygen PAonitor <br />Clean solids from PH adjusting <br />tank <br />y; <br />V` <br />Clean 8 Calibrate PH probes - <br />Tuesday Thursda • <br />i <br />'. <br />& Saturday—'y <br />REPAIRS <br />. � � t. <br />�; , � t ria- , � I ,> �., 1�, v, , _�„ „., • <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I Begin with PH7 solution, <br />let probe remain <br />in solution for approximately 15 minutes, <br />or until a stable <br />reading is obtained. <br />STEP 11 - Same as above with PH4 solution. <br />STEP III Same as above with PH"0 solution. <br />�rC,N1 R nATG <br />