GKRAGHTY & MITXlgR. INC.
201 W. Passaic Street, 3rd Floor
Rochelle Park, NJ 07662
Main Number (201-909-0700)
Telecopier Numbers (201-909-0567 & 0568)
TO:
FAX#:
FROM:
DATE:
PROJECT*
Caroline Kwan
Thomas Danahv
November
PR013 01 - Tutu. St. Thomas
DOCUMENT CONSISTS OF ______ PAGE<S) (INCLUDING THIS PAGE), of **
do aot receive «U lh» page* indicated, ptewe call our ofMntof tt 201-909-0700).
DESCRIPTION: Revised Schedule - Pump Testa 
___
MEMO/COMMENTS:
n Tmda
re-arranged scheduling due to political fafly at Ppur
2 -
24-Aour
First iondav
R6covef 
Tuesda. November 2nd
Ste Test MW-6D
Thursday - Sundav. 72,-hour Teat (8) MW-6D
SENT BY:_____jd_L
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64866
GERAGHTY
,'& MILLER, INC.
Environmental Services
Ground Water
Engineering
tfvdrwarbnn
Remediation
October 30, 1992
Leonard Reed
Department of Planning and Natural Resources
4SA Estate Nisky, Suite 231
St, Thomas, U.S. Virgin Islands 00802
Re: 
Tutu Aquifer Pumping Tests
St. Thomas, U.S. Virgin Islands
Dear Mr. Reed:
As a result of recent water-level monitoring in the Tutu area, Oeraghty & Miller, Inc.
has determined the Esglin supply wells are in operation. In order for Geraghty & Miller to
perform the aquifer pumping tests, the Eglin supply wells will have to be shut off during the test
period (see attached schedule). Geraghty & Miller is requesting the assistance of the Department
of Planning and Natural Resources to contact the Eglin well owners regarding this subject.
In addition, Geraghty & Miller is requesting the Eglin well owners to fill their cistern
on the morning of Sunday, November 1, 1992, prior to the aquifer testing. If necessary, the
Tutu Environmental Investigation Committee (TEIC) will provide a water distributor to fill their
cistern during the aquifer testing period.
If you have any questions, please call.
Sincerely,
GERAGHTY & MILLER, INC.
cc:
CMta*
Ana Gloria Ramos - TEIC
Caroline Kwan - USEP A
Sally Odland - CDM
Daniel A. Nachman
Vice President/Project Director
TUT 
O06 
1702
201 Wbtt FUMfe Street, 3ni Ftoor-RocheUe Ftok, New Jec^ 07662.(201) 90EWTOO-FAX C201) 909^)367/(»«
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Table 1.
Page 1 of 4
Anticipated Schedule for Pumping Tests, Tutu Service Station Investigation, St.
Thomas, U.S. Virgin Islands.
Date and Personnel
Action
Fri., Oct. 30, 1992
C. Moffott
R. Ponciano
A. Colberg
W. Morales
Soil Tech
7:30-8:30 a.m. - Collect water-level measurements.
8:30-9:30 a.m. - Re-set data recorders for delayed
start at 10:00 a.m., log cycle intervals not exceeding
30 second intervals.
10:00 a.m. (or a few seconds after 10:00 a.m. but
not before) - Start Step Test at MW-6; Step 0 at 2
gpm. Note steps are numbered 0 through 3 (4
steps).
11:00 a.m. - Begin Step 1 at MW-6 at 4 gpm.
12:00 (noon) - Begin Step 2 at MW-6 at 6 gpm.
13:00 - Begin Step 3 at MW-6 at 8 gpm. Snaffle,
influent to tttBlttfl^flt svstem fof field GC mpd lab
analysi|%
14:00 - End of Step Test Set pump rate to 2 to 8
gpm (depending on drawdown) for Monday's test
Turn pump off. Record recovery. SampkJmtmfiQ!
effluent fhr field GC. and lab analysis.
15:00 - End of recovery data collection.
Remove/download data recorders. Collect water-
level measurements.
16:00-17:00 - Reset data recorders; linear scale, 30
minute intervals for pre-pumping measurements over
Saturday and Sunday.
Mon., Nov. 2, 1992
C. Moffatt
R. Ponciano
D. McGregor
A. Colberg
W. Morales
Soil Tech
7:30-8:30 - Collect water levels.
8:30-9:30 - Reset data recorders for delayed start at
10:00 a.m., log cycle intervals not exceeding 30
second intervals.
GERAGHTY & MILLER, INC. 
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2 of 4
Table 1. 
Anticipated Schedule for Pumping Tests, Tutu Service Station Investigation, St.
Thomas, U.S. Virgin Islands.
Date and Personnel
Action
Tues., Nov. 3, 1992
C. Moffatt
R, Ponciano
D. McGregor
(Soil Tech not onsite)
10:00 - Start 24-hour continuous rate pumping test
at MW-6. Pump rate should have been preset on
Friday (between 2 to 8 gpm).
11:30 - Sample influent to treatment system for field
GC and. lab. analysis.
12:00 (noon) - Sample effluent for field GC and lab
analysis. Continue to collect influent and .effluent
every 2 hours for field QC analysis. Measure
complete round of water-levels (including data
recorders with drop pipes and non-data recorder
locations) on an hourly basis until 14 hours (12:00
midnight) into pump teat After 14 hours manure
complete rounds every 2 hours.
9:00 - Sample influent and effluenf for %flfjl flT
lab analsis.
10:00 - End of 24-hour test. If possible "step"
recorder to record recovery. Stop pump and record
recovery.
14:00 - Check recovery. If recovery is equal to or
greater than 85 percent complete, remove data
recorders. Collect full round of water-level
measurements.
Wed., Nov. 4, 1992
C. Moffatt
R. Pontiano
D. McGregor
Soil Tech
7:30-8:30 a.m. - Collect water-level measurements.
8:30-9:30 a.m. - Re-set data recorders for delayed
start at 10:00 a.m., log cycle intervals not exceeding
30 second intervals.
10:00 a.m. (or a few seconds after 10:00 a.m. but
not before) - Start Step Test at MW-6D; Step 0 at 8
gpm. Note steps are numbered 0 through 3 (4
steps).
GERAGHTY & MILLER, INC
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TUT 
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Pate 3 of 4
Table 1. 
Anticipated Schedule for Pumping Tests, Tutu Service Station Investigation, St.
Thomas, U.S. Virgin Islands.
Date and Personnel
Action
11:00 a.m. - Begin Step 1 at MW-6D at 10 gpm.
12:00 (noon) - Begin Step 2 at MW-6D at 12 gpm.
13:00 - Begin Step 3 at MW-6D at 14 gpm. Sjjnjifi
influent to treatment, system for fisld GC and lab
analysis.
14:00 - End of Step Test. Set pump rate to 8 to 14
gpm (depending on drawdown) for Monday's teat.
Turn pump off. Record recovery. Samp1« tlTHf TTIfllt
effluent for field GC 
ab analsis.
15:00 - End of recovery data collection.
Remove/download data recorders. Collect water-
level measurements at data logger locations.
16:00 - 17:00 - Collect complete round of water-
levels. Reset data recorders; linear scale, 30 minute
intervals for pre-pumping measurements over
Saturday and Sunday.
Thurs., Nov. 5, 1992
C. Moffatt
R. Ponciano
D. McGregor
Soil Tech
7:30-8:30 - Collect complete round of water-levels.
8:30-9:30 - Reset data recorders for delayed start at
10:00 a.m. , log cycle intervals not exceeding 5-
minute intervals.
10:00 (or a few seconds after 10:00) - Start 72-hour
continuous rate pumping test at MW-6D. Pump rate
(between 8 to 14 gpm) should be preset based upon
Friday's step test. Take manual measurements at
pumping well for plotting of data.
11:30 - Sample influent to treatment ay&*nn far
GC and lab.
GERAGHTY & MILLER, INC.
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TUT 
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Page 4 of 4
Table 1. 
Anticipated Schedule for Pumping Tests. Tutu Service Station Investigation, St.
Thomas, U.S. Virgin Islands.
Date and Personnel
Action
12:00 - Sample effluent for field GC and lab.
Continue to collect influent and effhjf nf SMTUUCS fflf
field GC every 2 hours. Measure gflmtfJCJC round of
water-levels (including data recorders with drop
pipes and non-date recorder locations) on an hourly
basis until 14 hours (12:00 midnight) into pump tort.
After 14 hours, measure complete rounds every 2
hours.
Fri., Nov. 6, 1992
C. Moffatt
R. Ponciano
A. Colberg
D* McGregor
Soil Tech
Sat., Nov. 7, 1992
C. Moffatt
R. Ponciano
D. McGregor
Soil Tech
10:00 - Twenty-four hours into test,
influent and effluent fot field GC and lab analysis^.
Evaluate data plotted from pumping well for delayed
yield. If delayed yield is not present, stop test and
record recovery. If possible, have recorder start
new step just prior to turning pump off.
10:00 - Fourty-eight hours into test.
influent and effluent for field GC and lah anallysis.
If delayed yield is not present, stop test and record
recovery.
Sun., Nov. 8, 1992
C. Moffatt
R. Ponciano
D. McGregor
Soil Tech
10:00 - Seventy-two hours into test. Simpk "fl"*"1*
and effluent for field GC and lab analysis Stop test
and record recovery.
TUT 
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1706
GERAGHTY & MILLER, INC.
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