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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF /';'lo", - j ) <br />DAILY <br />i <br />2 <br />3 <br />A 5 <br />6 <br />7 <br />6 <br />3 <br />10 <br />11 <br />17. 13 <br />i4 <br />15 1G <br />17 <br />18 <br />19 <br />20 <br />21 <br />22 <br />23T241 <br />25 <br />26 <br />27 <br />2t3 29 <br />30 <br />31 <br />Check pumps for proper operation <br />-•— <br />Lk <br />; <br />Check caustic and acid tanks <br />r <br />Check grease separator and flow <br />rale <br />Y <br />�✓ <br />r. <br />� <br />r <br />`. <br />-x <br />Kr <br />— <br />+� <br />Check storage tanks and all piping <br />for teaks <br />' <br />� t <br />-/ <br />, <br />'��,� <br />�- <br />[�/" <br />I� <br />1---• <br />Clean PH probes <br />�� <br />(`.� <br />7 <br />-- / <br />f i <br />l <br />Check Safety Gear <br />Clean & Check all Eve VVash and <br />{' <br />� <br />t <br />r <br />r <br />- <br />Safety Showers <br />74 - <br />Cleaned Containment Area <br />e <br />WEEKLY <br />Clean grease separator <br />Calibrate Oxygen Monilo, <br />I <br />l <br />Clean solids frorn PH aciust-n g <br />tank <br />7 <br />Clean & Calibrate P4 probes - <br />Tuesday� T7ursda & Safurcav <br />�� <br />f <br />�><1- <br />1 <br />REPAIRS - •J �~ •-( �4i 7 _.�'�-�.h.. �.C`!•� l ' li 1 l <br />�1 f �J ._ c'' � .� I <br />� � It 1._�1. <br />_ <br />t <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I Begin with PH7 Sofuticn, <br />let probe remain in solution <br />for apprommately 15 minutes, or until a stable reading <br />is obtained <br />STEP II Same as above with <br />PH4 solution <br />STEP III Same as above with PH10 solution. <br />i /f' <br />