Investigate and + 10% for correct problem. One-point calibration with certified <100/00 Repeat calibration Salinity meter Every session standards until acceptable, if + 5% for > 100/00 cannot recalibrate repair meter. Investigate and correct problem. Five to six point calibration curve near 85%-105% based qPCR analysis Every session Repeat calibration range of anticipated samples using on specific assay system or as needed until acceptable, if standard of targeted assay criteria cannot recalibrate, repair instrument. Quanti-Tray sealer NA NA NA NA Investigate and Two-point calibration check with solid + 10% of correct problem. Fluorometer Every session secondary standards established values Perform new 5-pt calib. if necessary. Acceptable 5-pt Investigate and Prepare series of liquid standards and calibration and correct problem. If preform five-point calibration, Fluorometer Quarterly + 10% of necessary prepare reestablish values of solid secondary expected primary new liquid stds or standards standard values repair instrum. Clean probe, replace electrolyte, or replace Two-point calibration with standard Slope 90-102% pH meter Every session probe as needed. buffers pH + 0.1 Repeat calibration until acceptable. Investigate and Calibration check with gel secondary + 10% of correct problem. Turbidity meter Every session standards established values Perform new 5-pt calib. if necessary. Investigate and Five-point calibration with liquid + 10% of correct problem. If Turbidity meter primary standards, reestablish values Quarterly expected primary necessary prepare of gel secondary standards standard values new liquid stds or repair instrum. Investigate and One-point conductivity calib., Conductivity or correct problem. Conductivity / dissolved oxygen calib. with salinity + 10%, Repeat calibration Dissolved Oxygen / Weekly water saturated air, two-point or dissolved oxygen until acceptable, if pH field meter three-point pH calib. + 5%, pH + 0.1 cannot recalibrate repair meter. Conductivity / Repair by manufacturer or service Dissolved Oxygen / As needed Per manufacturer Repair meter technician pH field meter
Salinity meter One-point calibration with certified standards Every session + 10% for <100/00 + 5% for > 100/00 Investigate and correct problem. Repeat calibration until acceptable, if cannot recalibrate repair meter. qPCR analysis system Five to six point calibration curve near range of anticipated samples using standard of targeted assay Every session or as needed 85%-105% based on specific assay criteria Investigate and correct problem. Repeat calibration until acceptable, if cannot recalibrate, repair instrument. Quanti-Tray sealer NA NA NA NA Fluorometer Two-point calibration check with solid secondary standards Every session + 10% of established values Investigate and correct problem. Perform new 5-pt calib. if necessary. Fluorometer Prepare series of liquid standards and preform five-point calibration, reestablish values of solid secondary standards Quarterly Acceptable 5-pt calibration and + 10% of expected primary standard values Investigate and correct problem. If necessary prepare new liquid stds or repair instrum. pH meter Two-point calibration with standard buffers Every session Slope 90-102% pH + 0.1 Clean probe, replace electrolyte, or replace probe as needed. Repeat calibration until acceptable. Turbidity meter Calibration check with gel secondary standards Every session + 10% of established values Investigate and correct problem. Perform new 5-pt calib. if necessary. Turbidity meter Five-point calibration with liquid primary standards, reestablish values of gel secondary standards Quarterly + 10% of expected primary standard values Investigate and correct problem. If necessary prepare new liquid stds or repair instrum. Conductivity / Dissolved Oxygen / pH field meter One-point conductivity calib., dissolved oxygen calib. with water saturated air, two-point or three-point pH calib. Weekly Conductivity or salinity + 10%, dissolved oxygen + 5%, pH + 0.1 Investigate and correct problem. Repeat calibration until acceptable, if cannot recalibrate repair meter. Conductivity / Dissolved Oxygen / pH field meter Repair by manufacturer or service technician As needed Per manufacturer Repair meter