DEQ-CFW_00070641

Re: [Fwd: Re: Water supply testing] Page 1 of 3
From: Connie Brower [[e-mail]]
Date: May 17, 2007 11:42
To: "Dianne Reid"<[e-mail]>, "Elizabeth
Kountis"<[e-mail]>
Cc:
Subject: Re: [Fwd: Re: Water supply testing]
Attachments: ED connie.brower.vcf (304 B)
the data we have is from a 2006 report -- however -- we are still inconclusive as to what "safe" is -- we await some final discussions
from the NC SAB....
Please be aware that in copying this , the "paste function" keeps changing the units of measure to mg/L -- they ARE most
definitely ug/L -- so - if they arrive in mg -- it is not right....
0.025 ug/L (25 ppt) at the outfall -effluent (January 06 sampling event)
the othe
f..f; hero
i! 4t iAkQ lal 5.6ASAv.vv ..v. v.
Surface Water Sample ID
(Sample Description)
Monitoring
Date
APFO
u /L
<!--[if !supportEmptyParas]--> <!--[endifj-->
<!-_[if !
supportEmptyParas]
<!__[if !
supportEmptyParas]
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--> <l-- endi -->
SW-01
06/20/2005
0.100
09/06/2005
0.129
Stormwater ditch north of Fluoromonomers area; East of
the APFO Manufacturing Facility.
10/07/2005
0.068
<!--[if !supportEmptyParas]--> <I--[endif]-->
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supportEmptyParas]
supportEmptyParas]
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--> <!--[endi -->
SW-02
06/20/2005
0.135
09/06/2005
0.302
Stormwater ditch north of Fluoromonomers area; East of
the APFO Manufacturing Facility.
10/07/2005
0.157
<!--[if !supportEmptyParas]_-> <!--[endif]-->
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supportEmptyParas]
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supportEmptyParas]
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SW-03
06/21 /2005
0.142
09/06/2005
0.298
Stormwater ditch north of Fluoromonomers area; East of
the APFO Manufacturing Facility.
10/07/2005
0.149
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supportEmptyParas]
supportEmptyParas]
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--> <!-- endi -->
SW-04
06/20/2005
0.093
Stormwater ditch north of Fluoromonomers area; East of
the APFO Manufacturing Facility.
10/07/2005
0.147
<1--[if (supportEmptyParas]--> <I--[endif]-->
supportEmptyParas]
supportEmptyParas]
-_> <!-- endi -->
--> <!-- endi -->
SW-05
Stormwater ditch north of Fluoromonomers area; East of
10/07/2005
0.139
the APFO Manufacturing Facility.
Sampling of two unnamed tributaries to the Cape Fear River, and two streams flowing to one of those tributaries, was conducted in 2006. It is
believed that the base flow in these tributaries is primarily from expressed groundwater, with additional episodic flow from stormwater runoff.
The surface water samples described in the table that follows were taken during base flow conditions. The results of that monitoring are shown
in the following table:
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Re: [Fwd: Re: Water supply testing]
Page 2 of 3
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Surface Water Sample ID
Monitoring
APFO
(Sample Description)
Date
u /L
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<!__[if !
<!__[if !
supportEmptyParas]
supportEmptyParas]
--> <!--[endif]-->
--> <!-- endi -->
SW-06
Located east of the Fluoromonomers area, in an
01/25/2006
0.027
unnamed tributary (#1) to the Cape Fear River
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supportEmptyParas]
supportEmptyParas]
__> <t__ endi -->
--> <!--[endi -->
SW-07
Located east of the Fluoromonomers area, in a stream
01/25/2006
0.040
(#1) flowing into the unnamed tributary #1
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supportEmptyParas]
supportEmptyParas]
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--> <!--[endif]-->
SW-08
Located east of the Fluoromonomers area, in a stream
01/25/2006
0.032
(#2) flowing into the unnamed tributary #1
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supportEmptyParas]
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SW-09
Located east of the PMDF manufacturing area, in an
01/25/2006
0.027
unnamed tributary (#2) to the Cape Fear River
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ug/L = micrograms per liter or parts per billion
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In 2005, the site's non -contact cooling water and the influent and effluent of the river water sediment basin were sampled. Both of these waters
ultimately discharge through the site's NPDES permitted Outfall 002. The non -contact cooling water is raw river water that is pumped from the
Cape Fear River, through equipment to remove heat, and then back to the river. The river water sediment basins receive river water and its
sediment that has been removed from the river water as a result of clarification. The results of that monitoring are shown in the following table:
<!--[if !s porm
tEt Paras > <i endi >
- -- --
u
Surface Water Sample ID Monitoring APFO
(Sample Description) Date u /L
<!--[if !supportEmptyParas]--> <!--[endif]--> <!--[if ! <!--[if !
supportEmptyParas] supportEmptyParas]
-_> <!-- endi --> -_> <!-- endi -->
N R-01
Non -contact, once -through cooling water flowing in the 09/06/2005 0.077
open ditch south of the Fluoromonomers area; East of
the APFO Manufacturing Facility
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supportEmptyParas] supportEmptyParas]
-_> <!-- endi --> __> <!-- endi -->
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Re: [Fwd: Re: Water supply testing]
Page 3 of 3
RW-01
Influent to the filtered river water sediment basin located
09/06/2005
0.083
west of the Fluoromonomers area; East of the APFO
Manufacturing Facility
<i__[if !supportEmptyParas]--> <!--[endif]-->
<!--[if i
<!--[if !
supportEmptyParas]
supportEmptyParas]
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RW-02
Effluent from the filtered river water sediment basin
09/06/2005
0.081
located west of the Fluoromonomers area; East of APFO
the Manufacturing Facility
<!--[if !supportEmptyParas]--> <!--[endifl-->
ug/L = micrograms per liter or parts per billion
No we haven't begun sampling because there was the issue about PFOA. We need to know if PFOA data is going
to be a deal breaker. At this point our lab can't do the analysis. Connie Brower was following up with the Dupont
folks to determine if they have recent data instream that could be used for this reclass. We're working on the study
plan and will be sampling in July or August due to work load and lab sample restrictions.
Q15. 1ii
Elizabeth Kountis wrote:
Oops - sorry!!!! Yes, this is regarding the proposed WS-IV CA and WS-IV for portions of the lower
Cape Fear River (Bladen and Cumberland Counties) for which I sent a UAS to you dated 3-14-2007.
(Requester = Lower Cape Fear Water and Sewer Authority)
Dianne Reid wrote:
Is this the lower cape fear? Can't tell what rec!ass we are talking about.
Elizabeth Kountis wrote:
The last time we talked I think you mentioned you were going to do
sampling in late April/early May. Has that sampling been conducted, and if
so, are you still shooting to have the UAS report done in August?
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