10540 White Rock Road, Suite 180

Rancho Cordova, CA 95670

Field Sampling Plan

Prepared for Butte County

Department of Water and Resource Conservat ion March 24, 2016

148430

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PROJECT STAFF

Butte County Department of Water and Resource Conservation Director

Paul Gosselin

Project Manager Christina Buck, Ph.D.

Brown and Caldwell

Project Manager Jeff Bold, Ph.D.

GIS/Geodatabase

Tina Crawford

Field Investigation Staff Chuck Frey Chris Silva

EMKO Environmental, Incorporated President/Principal Hydrogeologist Andrew Kopania, Ph.D., P.G., CHG

ML Davisson & Associates, Inc. President/Principal Hydrogeologist

Lee Davisson, P.G.

Kleinfelder Senior Principal Hydrogeologist

Joseph Turner, P.G., CHG

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Table of Contents

1. Introduction ............................................................................................................................................... 1-1

1.1 Objectives ....................................................................................................................................... 1-11.2 Document Organization ................................................................................................................. 1-2

2. Background ............................................................................................................................................... 2-12.1 Overview of Stable Isotope Geochemistry of Water ..................................................................... 2-12.2 Summary of Existing Stable Isotope Data .................................................................................... 2-2

3. Data Quality Objectives ............................................................................................................................ 3-13.1 Rationale ........................................................................................................................................ 3-13.2 Focus Area Definition ..................................................................................................................... 3-13.3 Hydrogeologic Conditions .............................................................................................................. 3-13.4 Media to be Sampled ..................................................................................................................... 3-2

3.4.1 Surface Water .................................................................................................................. 3-33.4.2 Stormwater Runoff ........................................................................................................... 3-33.4.3 Groundwater ..................................................................................................................... 3-3

3.5 Sampling Frequency ...................................................................................................................... 3-33.6 Analytical Parameters .................................................................................................................... 3-4

3.6.1 Stable Isotopes ................................................................................................................ 3-43.6.2 General Chemical Parameters ........................................................................................ 3-4

4. Sampling Locations .................................................................................................................................. 4-14.1 Identify Data Gaps ......................................................................................................................... 4-14.2 Potential Sampling Locations ........................................................................................................ 4-1

4.2.1 Surface Water Sampling Locations ................................................................................. 4-14.2.2 Stormwater Sampling Locations ..................................................................................... 4-24.2.3 Groundwater Sampling Locations ................................................................................... 4-2

4.3 Sampling Frequency ...................................................................................................................... 4-35. Field Methods ........................................................................................................................................... 5-1

5.1 Roles and Responsibilities ............................................................................................................ 5-15.2 Field Readiness Review ................................................................................................................. 5-15.3 Laboratory Coordination ................................................................................................................ 5-2

5.3.1 Isotopic Analysis ............................................................................................................... 5-25.3.2 General Chemical Parameters Analysis ......................................................................... 5-2

5.4 Field Equipment ............................................................................................................................. 5-35.4.1 Surface Water Sampling Equipment............................................................................... 5-35.4.2 Groundwater Sampling Equipment ................................................................................. 5-35.4.3 Stormwater Runoff Sampling Equipment ....................................................................... 5-4

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5.5 Documentation and Forms ............................................................................................................ 5-45.6 Standard Operating Procedures Surface Water and Stormwater ........................................... 5-4

5.6.1 Surface Water Grab Samples .......................................................................................... 5-45.6.2 Dipping Cup Surface Water Samples ............................................................................. 5-4

5.7 Standard Operating Procedures Groundwater ......................................................................... 5-45.8 Quality Assurance/Quality Control Methods and Procedures ..................................................... 5-5

5.8.1 Stable Isotope Analysis .................................................................................................... 5-55.8.2 General Chemistry Data .................................................................................................. 5-6

6. Data Management .................................................................................................................................... 6-16.1 Electronic Data Transfer ................................................................................................................ 6-16.2 Data Quality Review ....................................................................................................................... 6-1

7. Reporting ................................................................................................................................................... 7-18. References ................................................................................................................................................ 8-1

Figures ................................................................................................................................................................ 1

Tables ................................................................................................................................................................. 1

Appendix A: Compilation of Existing Stable Isotopes, Oxygen 18 TM .............................................................. A

Appendix B: Standard Operating Procedures ................................................................................................... B

Appendix C: Example Field Safety Plan (Brown and Caldwell, 2013) ............................................................ C

Appendix D: Quality Systems Manual for Environmental Analytical Service, Calscience .............................. D

Appendix E: DoD, DOE Consolidated Quality Systems Manual (QSM) for Environmental Laboratories ........E

List of Figures Figure 1-1. Site Location

Figure 3-1. Focus Area Groundwater Wells & Surface Water

Figure 3-2. Hydrogeologic Cross Section

Figure 4-1. Recommended Sampling Locations

List of Tables Table 3-1. Analytical Laboratory Methods, Bottle, Sample Volume, Preservative and Holding Time

Table 4-1. Recommended Groundwater Sample Locations

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List of Abbreviations

parts per thousand

BC Brown and Caldwell

BCDWRC Butte County Department of Water and Resource Conservation

bgs below ground surface

Ca calcium

CD compact disk

COC chain-of-custody

del or delta

D deuterium

DWR California Department of Water Resources

ft feet

ft2/day feet2 per day

FSP Field sampling plan

GIS Geographic Information System

gpm gallons per minute

H hydrogen

HCO3 bicarbonate

K potassium