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CALIFORNIA *TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />MONTH OF /Ur-- <br />DAILY <br />'I <br />2 <br />3 <br />4F5 <br />6 <br />7 <br />B <br />F9 <br />10 <br />11 <br />12 1 <br />Check pumps for proper operation <br />Check caustic and acid tanks <br />! <br />/ <br />t <br />Check grease separalor and ftcv, <br />, <br />rate <br />Check storage tanks and alf piping <br />for leaks <br />Clean PH probes <br />;k�X- <br />Check Safety Gear <br />. <br />Clean E Check airEye','L'ash and <br />Safety Showers <br />Cleaned Conlainrr,ent Area <br />r <br />6/ <br />�' <br />; <br />7 <br />WEEKLY <br />Clean grease separator <br />Calibrate Oxygen Monitor � <br />- <br />Clean solids from r'H adjusliny <br />i <br />tank. <br />! <br />:1�n 8 Calibrate PN probessda <br />Thursda & Sad a <br />REPAIRS <br />COMMENTS f-)-lA r; v.. ,.jt ,_.. , C; <br />METHOD OF CALIBRATING <br />STEP I Becin with PH7 solution, let probe remain in solution for app•oximately 15 minutes, or until a stable reading is obtained. <br />STEP fl Same as above With PH4 solution. <br />STEP Ili Same as above with PH 10 solution. <br />SIGN & DATE <br />�_--- - '- 2 --! f-'— <br />