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DAILY <br />C.ieck pumps for proper operation <br />Check caustic and acid tanks <br />Check grease separator and flow <br />rate <br />�. <br />Check storage tanks and all piping <br />for leaks <br />Clean PH probes <br />}-- <br />Check Safety Gear <br />�c <br />Clean & Check all Eye 'Wash and <br />Safety Showers <br />- <br />Cleaned Containment Area <br />ry <br />WEEKLY <br />Clean grease separator <br />Calitxate Oxygen N•oniior <br />Clean solids from PH adjusting <br />tank <br />Clean & Calibrate PH probes - <br />Tuesday Thursda 8 Saturda <br />REPAIRS <br />I COMMENTS <br />CALIFORNIA TANK LINES, INC. <br />WASHRACK MAINTENANCE LOG <br />METHOD OF CALIBRATING <br />STEP I Begin with PH7 solution, let probe remain in solution for approximately 15 minutes, or until a stable reading is obtained <br />STEP II Same as above with PH4 solution. <br />STEP III Same as above with PHI solution. <br />SIGN & DATE <br />NONE <br />MEN <br />M <br />N <br />ME <br />I <br />METHOD OF CALIBRATING <br />STEP I Begin with PH7 solution, let probe remain in solution for approximately 15 minutes, or until a stable reading is obtained <br />STEP II Same as above with PH4 solution. <br />STEP III Same as above with PHI solution. <br />SIGN & DATE <br />