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CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF <br />DAILY <br />11 <br />2 <br />-3-4T-5-F-61--uTj-T10 <br />7 <br />11 21-13— <br />14 <br />-1-s <br />5 _6T1_7 <br />18 <br />1-91-20121 <br />22 <br />23 <br />24 <br />25 <br />---- <br />26 <br />27 <br />2B <br />29 <br />—30" <br />31 <br />Clieck PLIMPS (Or proper operation <br />— <br />Check caustic and acid tanks <br />2K <br />Check grease separator and How <br />rate <br />X- <br />A—\ <br />77)� <br />Chec-k storage tanks and all Ping <br />for -leaks <br />� <br />Clean PH probe <br />'A <br />X <br />Check Safety Gear <br />Clean & Check all Eye Wash and <br />Sarety Showers <br />Cleaned Containment Area <br />WEEKLY <br />Clean grease separator <br />< <br />Calibrate Oxygen MorilloF <br />Clean solids from PH adjusting <br />tank <br />Clean & Caiibrale PH probes - <br />Tuesday ThUFSday & Saturday <br />I <br />REPAIRS <br />COMMENTS <br />METHOD OF CALIBRATING <br />STEP I Begin with PF17 solution, let probe remain in solution for approximately 15 MiMtCS, or unlill a stable Feading Is obtained, <br />STEP 11 Same as above with PH4 solution, <br />STEP III Same as above vwith P1110 solution. <br />'V1lr1W R DATV f��'Z;'�!�-ez <br />