UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
REGION II
DATE:
1895
SUBJECT: Tutu Wells, St. Thomas, Virgin Islands
Disaft/Teasibility Study (FS) Report
FRQM: jfferal*k C. Brock, Acting Chief
Ground Water Management Section
TO: Carole Petersen, Chief
New York/Caribbean Superfund Branch II
In accordance with the Memorandum of Interdivisional
Coordination between the Emergency and Remedial Response
Division (ERRD) and the Water Management Division (WMD) and as
requested in your memo of March 17, 1995, WMD has reviewed the
above subject document from the perspective of the water
programs. WMD has the following comments:
Please note the following Federal drinking water
standards for Tables 3-1, 3-9, 4-4, and 4-5:
Contaminant
MCL(ma/l)
MCLG(ma/l)
SMCL(mcr/l)
Aluminum
Antimony
Copper
Iron
Lead
•Chlordane
1, 3-Dichloro-
benzene
1, 2-Dichloro-
benzene
1,2-Dichloro-
ethylene
cis-1, 2-DCE
trans-l,2-DCE
Hexachloro-
pentadiene
Butylbenzyl-
phthalate
Benzo (a) anthracene
Bis (2-ethylhexyl) -
phthalate
Benzo (b) -
fluoranthene
Indeno (1,2,3-cd, -
pyrene )
Dibenz (a,h) -
anthracene
Chloride
TDS
TT - treatment technique
0.006
TT
TT
0.002
0.6
0.6
N/A
0.07
0.1
0.05
0.1 (P)
0.0001 (P)
0.006
0.0002 
(P)
0.0004 
(P)
0.0003 (P)
0.05 to 0.2
0.006
1.3
0.3
zero
zero
V ^
0.6 
|JV-
i*^
0.6 
/ >!
s.
K\f^
0.07 Y
0.1 
V
0.05
zero (P)
zero (P)
zero 
/\|
zero (P)
zero (P)
zero (P)
250
500
Copper - Action level 1300 tng/1 
/•
Lead 
- Action level 0.015 mg/1
TUT 
«">OA 
'? 'I
2141
REGION II FORM 1320-1 (9/85)
*64929*
64929
• 
Page 2-10. Contrary to the report, PCE, and TCE
had established Federal MCLs prior to sampling. The MCLs
for TCE and PCE were finalized in the Federal Register on
July 1987 and January 1991 respectively.
If you have any questions regarding these comments, please
contact Manuel Arbizu at Ext. 3816.
CC: M. Kwan, RPM
R. Hargrove, EIB
TUT 006 2142