HomeMy WebLinkAboutDeans Bridge Road Landfill
Augusta Richmond GA
DOCUMENT NAME: /)eallS B/1t!fe Road LtiIl$l/
DOCUMENTTYPE: H!JfDsaJ .
YEAR:dD60
BOX NUMBER: ) ()
FILE NUMBER: / t/ q 6 9
NUMBER OF PAGES:
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Hameed U Malik, Ph.D., P.E.May 21,2000
Environmental Engineer
Department of Pubic Works & Engineering
530 Greene Street, Room 701
Augusta, GA 30911
Attention: Dr. Hameed U Malik
Subject:
Proposal for Statistical Data Evaluation of Groundwater Quality and
Preparation of a Monitoring Program for Groundwater at the Deans Bridge
Road Landfill in
AU2usta-Richmond County, Geor2ia
Dear Dr. Malik:
Stephen E. Joseph & SAGES, Inc. present this proposal to provide environmental services
and consultation for statistical data evaluation and preparation of groundwater monitoring
. program at the above listed site. This letter presents the proposed course of action to develop this
work.
PROJECT CONSIDERA TIONS
Our understanding is that the Deans Bridge Road Landfill has groundwat,er data from
previous sampling events in Dumpstat@, which will be made available for use in the statistical
data evaluation for this site. Augusta-Richmond ,County will supply a current site map and any
site background information that is available. The site map should show the monitoring well
locations. It is our understanding that additional groundwater samplings have been completed by
others in 1999 and 2000. The groundwater potentiometric map should show the groundwater
flow direction and the groundwater gradient for the water bearing zones. It is our understanding
that there are 28 groundwater monitoring wells in Landfill Sections II-A and Il-B as well as 25
groundwater monitoring wells in Landfill Section II-C.
It is also our understanding Augusta-Richmond County would like to pursue the possibility of .'
improving their groundwater monitoring program by selecting better indicator parameters and
reducing the number of constituents and monitoring wells. It is our understanding that the
County is using the "Dumpstat@" computer program for groundwater monitoring and as a
database and groundwater analysis program. Augusta-Richmond County also desires to evaluate
the impacts of landfill gas on groundwater quality. In reviewing some of the available
groundwater data, it appears that the site is impacted by the migration oflandfill gas. We have
worked on groundwater monitoring programs for landfills in Georgia, Hawaii, California, Oregon,
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and Arizona and at these landfills we have found that control of landfill gas can greatly reduce or
migrate VOC impacts to groundwater. Our geologists are licensed in the States of Georgia,
'Oregon, California, and Hawaii.
As a member of the Hawaii Landfill Task Force, ourselves along with representatives from Waste
. Management, Inc., USA Waste, Inc., and other landfill operators have worked closely with the
Department of Health, State of Hawaii in developing a Landfill Guidance Document that outlines
the procedures and type of landfill monitoring parameters to be used in groundwater monitoring.
Members from this group are on or have worked closely with the ASTM committee that
developed ASTM method PS 64-96. This group is also currently working on the portion of the
guidance document for the assessment and corrective action. Parts of this guidance are being
used by other states in their groundwater monitoring programs and has been presented to the GA-
EPD already. The procedures and parameters outlined in this document are higWy recommended
for incorporation into your groundwater monitoring program as they provide an accurate and cost
effective method of meeting EPA Subtitle D and GA-EPDrequireinents. TheGA-EPD has also
reviewed the "Dumpstat@" program and is favorably impressed with the program.
We will assist the County in attempting to have the State of Georgia accept the idea of reducing
and changing the number and type of constituents in the groundwater quality program by'
providing supporting evidence for this position. Our success will depend on the amount and
quality of the data available, number and locations of monitoring wells, and the regional and site
geology.
We propose to prepare an evaluation of the impacts to groundwater quality from landfill gas
VOCs. We will show trends in the impacts to groundwater by VOCs and help Augusta-
Richmond County in designing and locating gas extraction wells to further reduce the impacts of
landfill gas to groundwate~ quality.
SCOPE OF WORK
SEJ will provide the following services:
Task 1 This task is to provide consultation and help to the County to evaluate the impacts of
landfill gas to groundwater quality and changes in trends of landfill gas impacts to
groundwater quality. We will help the-County in the design and location of additional
landfill gas extraction wells to further reduce landfill gas impacts.
Task 2 Prepare a Groundwater Quality Evaluation of the existing data for the Deans Bridge Road
Landfill in that Augusta-Richmond County, Georgia using a standard monitoring plan.
As part of this evaluation we will assess whether the site needs to be in assessment
monitoring or if other options are more appropriate. This evaluation will include the
following components based on available information:
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. Characterization of monitoring well concentrations including the means and standard
deviations;
· A comparison of the groundwater monitoring results with water quality maximum
contamination levels (MCL);
· A comparison of groundwater monitoring results to the existing tolerance intervals;
· A statistical comparison of intrawell samplings along with a statistical evaluation and
development of tolerance intervals at the 95 % confidence level.
. Recommendations will be made based on the evaluation of the groundwater data.
· Two meetings with the Georgia EPD will be included to present the evaluation and
recommendations.
Task 3 A groundwater monitoring program will be developed including the following
components:
· Site description and geologic setting;
. Hydrogeologic Setting;
· Groundwater flow direction and velocity;
· Documentation of the monitoring well network and the visual inspection program;
· Sampling procedures;
· Laboratory procedures;
· Summary of background analytical monitoring data;
· Evaluation of monitoring data and a suggested detection monitoring program and
· Conclusions and recommendations.
Development of an adequate groundwater monitoring program is critical for early detection of
possible releases from the landfill and to reduce long-term monitoring costs. Monitoring for just
priority pollutant metals and volatile organic compounds, such as has been done in past at Deans
Bridge Landfill, will not allow for early detection ofleakage from a landfill facility. Other
compounds are historically better at detecting release from landfills. In addition, these other
compounds are more definitive in comparing different waters that may be beneath the landfill and
how they are interacting. These other compounds can also reduce the long-term laboratory cost of
monitoring.
Task 4 An optional task is to provide consultation and help to the County to setup its own
monitoring plan. It appears that the County has personnel with sufficient expertise and
experience to do their own groundwater sampling and the initial statistical evaluation of
the results. This would further reduce the costs to the County for the ongoing
groundwater monitoring program. The only outside consultation needed would be tne
development of the groundwater quality monitoring program and independent review of
the statistical evaluation and conclusions for each of the groundwater quality reports.
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FEE AND SCHEDULE
Our services would be provided on a time and expense basis at $80 per hour, For your
budgeting purposes, the lump sum costs will be $4,500 for Task I, Costs for Task 2, evaluation
of the groundwater data and meetings with the EPD, will be $7,860. The lump sum costs for
Task 3, developing a groundwater monitoring program, are approximately $6,000. Costs for
Task 4, additional consultation, review of reports and meetings, as necessary, will be provided on
a time and expense basis. The lump sum costs for Task 4 will be $3,000. It is estimated that
work will take place over the next six months.
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CONDITIONS
Your authorization of our services can be made by signing In the appropriate space
provided below. To expedite our work, please sign the facsimile copy and fax it to us, and follow
up with a signed original copy by mail. This proposal is valid for 60 days. Should authorization
be delayed, We request that we be allowed to review our proposed schedule and fee estimate.
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It has been a pleasure preparing this proposal for you. Please contact us if you have any
questions.
Respectfully submitted,
STEPHEN E. JOSEPH
Signature
Stephen E. Joseph, KG., c.H.G.
Senior Hydrogeologist
SAGES
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CALIFORNIA ALL-PURPOSE ACKNOWLEDGMENT
State of California
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County of
Los Angeles
Gustava R. salgado, Notary Public
On AI/41ft! ;tJ.jIriJ , before me,
Date
personally appeared 37l:J1fjelV
Name and Tille of Officer (e,g.. "Jane Doe, Notary Public")
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Name(s) of Signer(s)
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~ersonally known to me
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to be the person(~ whose name~is/Me
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acknowledged to me that he/sAeAAey executed
the same in his/her/tI,eit authorized
capacity(~, and that by his/her/lllt::lr
signature~) on the instrument the person(\), or
the entity upon behalf of which the person~
acted, executed the instrument.
Place Notary Seal Above
OPTIONAL
Though the information below is not required by law, it may prove valuable to persons relying on the document
and could prevent fraudulent removal and reattachment of this form to another document.
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Description of Attached J;>oclW1~'1tJ _ ' _
Title or Type of Document: fMr(jYft,--f1J~ j/1l11S17~ pATJl Ii"//AUt/f17IJ,V
s:- ;2/-1lJ Number of Pages: .::r
Document Date:
Signer(s) Other Than Named Above:
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Capaci 'es) Claimed by Signer
Signer's Nam .
o Individual
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o Partner - 0 limited 0 Gener
o Attorney in' Fact
o Trustee
o Guardian or Conservator
o Other:
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Signer Is Representing:
@ 1997 National Notary Association. 9350 De Soto Ave.. P,O, Box 2402 . Chatsworth. CA 91313.2402.
Prod, No, 5907
: Call Toll-Free 1-800-876-6827
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