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B.7. Standard Test Method for the Measurement of Water Levels in Groundwater <br />Monitoring Wells B-18 <br />B.7.1. Introduction B-18 <br />B.7.2. Scope B-18 <br />B.7.3. Terminology B-18 <br />B.7.4. Significance and Use B-19 <br />B.7.5. Water -Level Measurements Using an Electric Sounder B-19 <br />B.B. Standard Practice for Purging of Monitoring Wells B-20 <br />B.8.1. Introduction B-20 <br />B.8.2. Scope B-20 <br />B.8.3. Significance and Use B-20 <br />B.8.4. Procedure: Low Flow Purging Using a Bladder -Type Pump B-20 <br />B.8.5. Procedure: Well Bore Fluid Purging Using a Bailer 8-22 <br />B.9. Standard Test Method for the Field Measurement of Specific Conductance <br />(Conductivity) B-22 <br />B.9.1. Introduction B-22 <br />B.9.2. Scope B-22 <br />B.9.3. Significance and Use B-22 <br />B.9.4. Interferences B-22 <br />B.9.5. Apparatus B-23 <br />B.10. Standard Test Method for the Field Measurement of pH B-24 <br />B.10.1. Introduction B-24 <br />8.10.2. Scope B-24 <br />8.10.3. Significance and Use B-24 <br />8.10.4. Interferences B-25 <br />B.10.5. Apparatus B-25 <br />B.11. Standard Test Method for the Field Measurement of Temperature B-26 <br />B.11.1. Introduction B-26 <br />B.11.2. Scope B-26 <br />B.11.3. Significance and Use B-26 <br />B.11.4. Interferences B-27 <br />B.11.5. Apparatus B-27 <br />8.12. Standard Practice for the Use of a Flow CeII for Field Measurements B-27 <br />B.12.1. Introduction B-27 <br />B.12.2. Scope B-27 <br />B.12.3. Significance and Use B-27 <br />B.12.4. Apparatus B-28 <br />B.13. Standard Practice for the Collection and Preservation of Liquid Samples B-28 <br />B.13.1. Scope B-28 <br />B.13.2. Terminology B-28 <br />8.13.3. Significance and Use B-29 <br />B.13.4. Apparatus B-29 <br />B.13.5. Sample Preservation Guidelines B-30 <br />B.13.6. Quality Assurance B-30 <br />B.14. Special Sampling Considerations B-30 <br />B.14.1. Volatile Organic Compounds (VOC) Analysis B-30 <br />B.14.2. Special Precautions for Trace Contaminant Groundwater Sampling B-31 <br />B.14.3. Sample Handling and Preservation Requirements B-31 <br />Daub & Associates, Inc. <br />B -iii Natural Soda LLC 2015 S A P <br />