DTIC ADA439969: Selected Natural Attenuation Monitoring Data, Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington, June 2001

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by  Defense Technical Information Center

U.S. Department of the Interior
U.S. Geological Survey
Selected Natural Attenuation Monitoring Data,
Operable Unit 1, Naval Undersea Warfare Center,
Division Keyport, Washington, June 2001
Open-File Report 03-344
L I B E R T Y
B A
Y
A
NIT
N
I
GI
R O
IP
V
KEYPORT
Naval Undersea
Dogfish Bay
Warfare Center,
Keyport
Tide
flats
SR
308
Landfill
(OperableUnit1)
Y
A
W Shallow
H
G lagoon
IH
E
L
L
IV
S
N
W
O
R
B
Prepared in cooperation with
Department of the Navy
P o r t
Engineering Field Activity, Northwest
SR
Naval Facilities Engineering Command 303 O r c h a r d
scienceforachangingworld
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2003 N/A -
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Selected Natural Attenuation Monitoring Data, Operable Unit 1, Naval
5b. GRANT NUMBER
Undersea Warfare Center, Division Keyport, Washington, June 2001
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5e. TASK NUMBER
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U.S. Department of the Interior U.S. Geological Survey 1849 C. Street, REPORT NUMBER
NW Washington, DC 20240
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a. REPORT b. ABSTRACT c. THIS PAGE UU 25
unclassified unclassified unclassified
Standard Form 298 (Rev. 8-98)
Prescribed by ANSI Std Z39-18
Selected Natural Attenuation Monitoring Data,
Operable Unit 1, Naval Undersea Warfare
Center, Division Keyport, Washington, June 2001
By R.S. Dinicola
U.S. GEOLOGICAL SURVEY
Open-File Report 03-344
Prepared in cooperation with
DEPARTMENT OF THE NAVY
ENGINEERING FIELD ACTIVITY, NORTHWEST
NAVAL FACILITIES ENGINEERING COMMAND
Tacoma, Washington
2003
U.S. DEPARTMENT OF THE INTERIOR
GALE A. NORTON, Secretary
U.S. GEOLOGICAL SURVEY
Charles G. Groat, Director
Any use of trade, product, or firm names in this publication is for descriptive purposes only and does
not imply endorsement by the U.S. Government.
For additional information write to: Copies of this report can be purchased from:
Director, Washington Water Science Center U.S. Geological Survey
U.S. Geological Survey Information Services
1201 Pacific Avenue – Suite 600 Building 810
Tacoma, Washington 98402 Box 25286, Federal Center
http://wa.water.usgs.gov Denver, CO 80225-0286
Suggested citation:
Dinicola, R.S., 2003, Selected natural attenuation monitoring data, Operable Unit 1, Naval Undersea
Warfare Center, Division Keyport, Washington, June 2001: U.S. Geological Survey Open-File Report
03-344, 17 p.
CONTENTS
Abstract................................................................................................................................................................ 1
Introduction.......................................................................................................................................................... 1
Purpose and Scope...................................................................................................................................... 3
Acknowledgments....................................................................................................................................... 3
Methods and Data Analysis.................................................................................................................................. 6
Natural Attenuation Monitoring Data.................................................................................................................. 7
Geochemical Data and Predominant Redox Conditions............................................................................. 7
Comparison of Unfiltered (Total) and Filtered (Dissolved) Organic Carbon Concentrations.......... 14
Chlorinated Volatile Organic Compound Data........................................................................................... 15
Summary.............................................................................................................................................................. 16
References Cited.................................................................................................................................................. 16
Contents iii
FIGURES
Figure 1. Map showing location of Operable Unit 1 study area, Naval Undersea
Warfare Center, Division Keyport, Washington................................................................................ 2
Figure 2. Map showing location of June 2001 data-collection sites and other features
at Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington..................... 4
Figure 3. Graph showing unfiltered and filtered organic carbon concentrations for
June 2001 at Operable Unit 1, Naval Undersea Warfare Center,
Division Keyport, Washington.......................................................................................................... 14
iv Figures
TABLES
Table 1. Construction data and water-level measurements for monitoring wells and
piezometers sampled during June 2001 at Operable Unit 1, Naval Undersea
Warfare Center, Division Keyport, Washington................................................................................ 5
Table 2. Predominant redox conditions and ground-water geochemical data collected
from 1996 to 2001 at Operable Unit 1, Naval Undersea
Warfare Center, Division Keyport, Washington................................................................................ 8
Table 3. Concentrations of selected chlorinated volatile organic compounds in ground
water from piezometers sampled from 1999 to 2001 by the U.S. Geological
Survey at Operable Unit 1, Naval Undersea Warfare Center,
Division Keyport, Washington.......................................................................................................... 15
Tables v
CONVERSION FACTORS AND DATUMS
CONVERSION FACTORS
Multiply By To obtain
acre 4,047 square meter
acre 0.4047 hectare
foot (ft) 0.3048 meter
Temperature in degrees Celsius (oC) may be converted to degrees Fahrenheit (oF) as follows:
oF = (1.8 oC)+32.
Temperature in degrees Fahrenheit (oF) may be converted to degrees Celsius (oC) as follows:
oC = (oF-32)/1.8.
Concentrations of chemical constituents in water are given in milligrams per liter, micrograms per
liter, or nanomoles per liter (nanomolar). One milligram per liter is equivalent to one thousand micro-
grams per liter. One microgram per liter is equivalent to “parts per billion.”
DATUMS
Vertical coordinate information is referenced to the National Geodetic Vertical Datum of 1988
(NGVD of 1988).
Horizontal coordinate information is referenced to the NAD27.
vi Conversion Factors and Datums
Selected Natural Attenuation Monitoring Data,
Operable Unit 1, Naval Undersea Warfare Center,
Division Keyport, Washington, June 2001
By R.S. Dinicola
ABSTRACT passes through a 0.45-micrometer membrane
filter) should be analyzed in the future rather than
Previous investigations have shown that unfiltered (previously referred to as total) organic
natural attenuation and biodegradation of carbon because the filtered analysis may be a
chlorinated volatile organic compounds (CVOCs) better measure of bioavailable organic carbon.
are substantial in shallow ground water beneath Unfiltered and filtered organic carbon data were
the 9-acre former landfill at Operable Unit 1 (OU collected during June 2001 for comparison.
1), Naval Undersea Warfare Center (NUWC), Filtered organic carbon data collected in the future
Division Keyport, Washington. The U.S. could be reasonably compared with historical
Geological Survey (USGS) has continued to unfiltered organic carbon data by multiplying the
monitor ground-water geochemistry to assure that historical data by a factor of about 0.9.
conditions remain favorable for contaminant
biodegradation. This report presents the ground-
water geochemical and selected CVOC data INTRODUCTION
collected at OU 1 by the USGS during June 11-14,
2001 in support of the long-term monitoring for Chlorinated volatile organic compounds
(CVOCs) have migrated to ground water beneath the
natural attenuation.
former landfill at Operable Unit 1 (OU 1) of the Naval
Overall, the June 2001 data indicate that
Undersea Warfare Center (NUWC), Division Keyport.
redox conditions in the upper aquifer remain
The NUWC is located mostly on a small peninsula in
favorable for reductive dechlorination of CVOCs
Kitsap County, Washington, in an extension of Puget
because strongly reducing conditions persisted
Sound called Liberty Bay (fig. 1). The 9-acre former
beneath much of the former landfill. Redox
landfill at OU 1 is on the narrow strip of connecting
conditions in the intermediate aquifer down
land and is adjacent to some tidal flats that are an
gradient of the landfill appear to have become extension of Dogfish and Liberty Bays. The OU 1
more favorable for reductive dechlorination landfill is unlined at the bottom and was constructed in
because June 2001 dissolved hydrogen a former marshland. The landfill was the primary
concentrations indicated strongly reducing disposal area for domestic and industrial wastes
conditions there for the first time. Although generated by NUWC Keyport from the 1930s through
changes in redox conditions were observed at 1973. Paints, thinners, solvents, acids, dried sludge
from a wastewater-treatment plant, and other industrial
certain wells during 2001, a longer monitoring
wastes were disposed of at various locations in the
period is needed to ascertain if phytoremediation
landfill. The most concentrated disposal area for waste
activities are affecting the ground-water chemistry.
paints and solvents was at the southern end of the
A minor change to future monitoring is
landfill.
proposed. Filtered organic carbon (previously
referred to as dissolved, and defined as that which
Introduction 1
T
N
I
O
P
A
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GI L I B E R T Y
R B
VI AY
KEYPORT
Location of figure 2
Dogfish Bay Naval Undersea
Warfare Center,
Keyport
Tide
flats
SR
308
Landfill
(Operable Unit 1)
Marsh Shallow
lagoon
Figure
location
Seattle
Bremerton
WAY
HIGH
SR
303
WASHINGTON
ELLIV
S
N
W
O
R
B
0 1000 2000 3000 FEET P o r t
O r c h a r d
0 300 600 900 METERS
Base map modified from URS Consultants, Inc., 1997,
Projection: Washington State Plane, North Zone
Figure 1. Location of Operable Unit 1 study area, Naval Undersea Warfare Center, Division Keyport, Washington.
2 Selected Natural Attenuation Monitoring Data, Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington, June 2001