Annual Monitoring Report

Calendar Year 2014

Grenada Manufacturing, LLC

Grenada, Mississippi

Prepared for

Grenada Manufacturing

LLC

December 2015

Annual Monitoring Report Calendar Year 2014

i

|

Page

Table of Contents

List of Figures

................................

................................

................................

............................

iii

List of Tables

................................

................................

................................

.............................

iv

List of Abbrev

iations

................................

................................

................................

..................

v

Section 1

Introduction

................................

................................

................................

..........

1

-

1

1.1

Facility History

................................

................................

................................

...............

1

-

2

1.2

Environmental History

................................

................................

................................

..

1

-

2

1.3

Summary of Site Remedial Actions

................................

................................

.............

1

-

4

1.3.1

Former On

-

Site Landfill (SWMU 3)

................................

................................

...........

1

-

4

1.3.2

Equalization Lagoon (SWMU 2)

................................

................................

................

1

-

4

1.3.3

Chrome Destruct Pit (SWMU 14)

................................

................................

..............

1

-

4

1.3.4

Chrome Plating Line (SMWU 27)

................................

................................

..............

1

-

5

1.3.5

Former Above

-

Ground TCE Storage Tank (AOC A)

................................

...................

1

-

5

1.3.6

Former Underground Toluene Storage Tan

k (AOC B)

................................

.............

1

-

6

1.3.7

Former Sludge Lagoon (SWMU 4)

................................

................................

............

1

-

7

1.3.8

Outfall Ditch (SWMU 7)

................................

................................

.............................

1

-

8

1.3.9

Site

-

Wide Groundwater Migration Control

................................

...............................

1

-

8

1.3.10

Indoor Air

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................................

................................

................

1

-

8

1.3.11

Institutional Controls

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.............................

1

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9

1.4

Site Conceptual Model

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..............................

1

-

10

1.5

Report Organization

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................................

................................

...

1

-

10

Section 2

Monitoring Strategy and Methods

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................................

........

2

-

1

2.1

Groundwater Monitoring

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................................

..............................

2

-

1

2.2

Surface Water Sampling

................................

................................

..............................

2

-

1

2.3

Sediment Sampling

................................

................................

................................

......

2

-

2

2.4

Light Non

-

Aqueous Phase Liquid (LNAPL) Monitoring and Recovery

........................

2

-

2

2.5

Quality Assurance and Quality Control (QA/QC)

................................

.........................

2

-

3

2.6

Decontamination and Investigation

-

Derived Waste

................................

...................

2

-

3

2.7

Health and Safety

................................

................................

................................

.........

2

-

3

Section 3

Monitoring Results

................................

................................

...............................

3

-

1

3.1

Groundwater Flow

................................

................................

................................

.........

3

-

1

3.1.1

Groundwater Flow Velocity Data

................................

................................

..............

3

-

1

3.1.2

Groundwater Flow Velocity Calculation

................................

................................

...

3

-

2

3.2

Groundwater Quality

................................

................................

................................

.....

3

-

2

3.2.1

Corrective Measures Monitoring Results

................................

................................

3

-

2

Annual Monitoring Report Calendar Year 2014

ii

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Page

3.2.1.1

Volatile Organic Compounds

................................

................................

.............

3

-

3

3.2.1.2

Metals

................................

................................

................................

.................

3

-

6

3.3

QA/QC

Results

................................

................................

................................

..............

3

-

6

3.4

Surface Water Results

................................

................................

................................

..

3

-

7

3.4.1

VOCs

................................

................................

................................

...........................

3

-

7

3.4.2

Metals

................................

................................

................................

........................

3

-

8

3.5

Sediment

Sampling Results

................................

................................

.........................

3

-

8

3.5.1

VOCs

................................

................................

................................

...........................

3

-

8

3.5.2

Metals

................................

................................

................................

........................

3

-

8

3.6

LNAPL

Recovery

................................

................................

................................

............

3

-

8

3.7

Monitoring Program Update

................................

................................

.........................

3

-

9

Section 4

Summary of Findings

................................

................................

............................

4

-

1

References

Figures

Tables

Appendix A

Field Sample Data Forms

Appendix B

Laboratory Analytical Reports on CD and Data Validation Memos

Appendix C

Concentration Time Series Plots

Annual Monitoring Report Calendar Year 2014

iii

|

Page

List of

Figures

Figure 1

-

1

Site Location Map

Figure 1

-

2

Site Map

Figure 1

-

3

Site Areas of Concern and Solid Waste Management Units

Figure 1

-

4

Site Work and Remediation Completed for Areas of Concern and Solid Waste

Management Units

Figure 2

-

1

Groundwater Sampling

Locations

Figure 2

-

2

Surface Water Sampling Locations

Figure 3

-

1

Spring 2014 Potentiometric Surface, Upper Most Aquifer, Shallow Wells

Figure 3

-

2

Fall 2014 Potentiometric Surface, Upper Most Aquifer, Shallow Wells

Figure 3

-

3

Spring 2014 Potentiometric Surf

ace, Upper Most Aquifer, Deep Wells

Figure 3

-

4

Fall 2014 Potentiometric Surface, Upper Most Aquifer Deep Wells

Figure 3

-

5

Spring and Fall 2014 VOC Concentrations, Upper Most Aquifer (Shallow Wells)

Figure 3

-

6

Spring and Fall 2014 VOC Concentrations, Upper

Most Aquifer (Deep Wells)

Figure 3

-

7

2014 Total Chlorinated VOC Concentrations, Upper Most Aquifer (Shallow Wells)

Figure 3

-

8

2014 Total Chlorinated VOC Concentrations, Upper Most Aquifer (Deep Wells)

Figure 3

-

9

Spring and Fall 2014 Total Chromium Concentr

ations, Upper Most Aquifer (Shallow

Wells)

Figure 3

-

10

Spring and Fall 2014 Total Chromium Concentrations, Upper Most Aquifer (Deep Wells)

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