7. (Instruction: This section describes quality specifications. It describes established measurement performance or acceptance criteria, in terms of precision, accuracy, bias, representativeness, comparability, completeness, and sensitivity. These terms are defined in the attached glossary in Appendix A) 7.1 Measurement Quality Indicators Basic definitions of accuracy, precision, resolution, bias, and other indicators of data quality are provided in Appendix A. 7.2 Sample Quality Objectives 5 shows the field sample quality objectives to be utilized by this project. (Instruction: Ensure that your planned test equipment is capable of meeting the measurement quality objectives defined in this table) 5. Measurement Quality Objectives (MQOs) for Field Data Accuracy Field Device Reporting (according to Parameter Units Resolution Completeness (recommended) Limit electronic specs.) pH Field Probe pH 0.1 NA + 0.2 90% Electrical Field Probe µS/cm + 1 100 + 2 90% Conductivity Turbidity Field Probe NTU + 1 1 1 90% Temperature Field Probe oC 0.5 NA + 0.1 90% Follow Velocity (for Flow Meter ft/sec 0.05 0.1 manufacturer’s 90% flow measure) instructions Depth (for flow Top Setting Rod ft 0.01 0.02 N/A 90% measure) NTU = Nephelometric turbidity oC = Celsius degrees; ft = feet; ft/sec = feet per second; = μS/cm microSiemens/centimeter; NA = Not applicable 7.3 Laboratory Quality Objectives MQOs for laboratory chemistry are shown in Table 6. MQOs for toxicity tests are shown in Appendix B. Laboratories must be capable of meeting the requirements shown. Table 6. Measurement Quality Objectives for Chemistry Data from Laboratory Analysis Analyte Accuracy Precision Completeness Measured through Assess percent Measured through certified reference of data instrument resolution, material, laboratory successfully matrix spike duplicates control samples measured
7. (Instruction: This section describes quality specifications. It describes established measurement performance or acceptance criteria, in terms of precision, accuracy, bias, representativeness, comparability, completeness, and sensitivity. These terms are defined in the attached glossary in Appendix A) 7.1 Measurement Quality Indicators Basic definitions of accuracy, precision, resolution, bias, and other indicators of data quality are provided in Appendix A. 7.2 Sample Quality Objectives 5 shows the field sample quality objectives to be utilized by this project. (Instruction: Ensure that your planned test equipment is capable of meeting the measurement quality objectives defined in this table) 5. Measurement Quality Objectives (MQOs) for Field Data Parameter Field Device (recommended) Units Resolution Reporting Limit Accuracy (according to electronic specs.) Completeness pH Field Probe pH 0.1 NA + 0.2 90% Electrical Conductivity Field Probe µS/cm + 1 100 + 2 90% Turbidity Field Probe NTU + 1 1 1 90% Temperature Field Probe oC 0.5 NA + 0.1 90% Velocity (for flow measure) Flow Meter ft/sec 0.05 0.1 Follow manufacturer’s instructions 90% Depth (for flow measure) Top Setting Rod ft 0.01 0.02 N/A 90% NTU = Nephelometric turbidity oC = Celsius degrees; ft = feet; ft/sec = feet per second; μS/cm = microSiemens/centimeter; NA = Not applicable 7.3 Laboratory Quality Objectives MQOs for laboratory chemistry are shown in Table 6. MQOs for toxicity tests are shown in Appendix B. Laboratories must be capable of meeting the requirements shown. Table 6. Measurement Quality Objectives for Chemistry Data from Laboratory Analysis Analyte Accuracy Precision Completeness Measured through certified reference material, laboratory control samples Measured through instrument resolution, matrix spike duplicates Assess percent of data successfully measured
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