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Geosyntec Consultants <br /> METER CALIBRATION FORM 3043 Gold Canal Drive,Suite 100 <br /> Rancho Cordova,CA 95670 <br /> Phone:916-637-8048 <br /> Project Name: Date: Page of <br /> Project Number: Primary Activities: <br /> Field Personnel: <br /> Recorded By: <br /> Weather: <br /> Initial Calibration Completed at: (time) <br /> Final Calibration Check Completed at: (time) <br /> pH calibration buffer solution specific conductance calibration standard <br /> pH 4.0 pH 7.0 pH 10.0 (PS/cm) <br /> initial temp. (°C) initial instrument reading <br /> instrument reading should read/calibrated to <br /> should read/calibrated to final instrument reading <br /> final temp.(°C) <br /> instrument reading ORP calibration Zobell solution <br /> (+231 my Zobell reads) <br /> dissolved oxygen calibration 100% 0% initial instrument reading <br /> initial temp.(°C) final instrument reading <br /> instrument reading <br /> should read/calibrated to turbidity <br /> final temp.(°C) initial instrument reading <br /> instrument reading final instrument reading <br /> Meter Summary <br /> pH Meter/Probe:Model: <br /> DO Meter/Probe:Model: <br /> ORP Meter/Probe:Model: <br /> Conductivity Meter/Probe:Model: <br /> Turbidity <br /> Comments:(rental,condition,problems) <br />