STANDARD OPERATING PROCEDURES MANUAL

STANDARD OPERATING PROCEDURES MANUAL. FOR THE. DEPARTMENT OF ENVIRONMENTAL QUALITY. WATER QUALITY MONITORING. ... 3.2.3.Midday Clark Cell DO Calibration Confirmation19. ... gently clean them using a soft cloth or lint free tissue. DO NOT pick up or handle weights with bare hands. Once the scale has warmed up, tare the scale so the readout ... ................
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