DEQ-CFW_00012782

From: Young, Sarah [/O=NCMAIL/OU=EXCHANGE ADMINISTRATIVE GROUP
(FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=SARAH.YOUNG]
Sent: 4/2/2015 6:41:20 PM
To: Brower, Connie [/o=NCMAIL/ou=Exchange Administrative Group
(FYDIBOHF23SPDLT)/cn=Recipients/cn=connie.brower]
Subject: RE: Cobalt IMAC
Thanks a bunch. Connie.
Brower, Connie
Thursday,April 02, 2015.1 PM
To: • •
, Sarah
Subject: FW: Cobalt :.
I thinly he has everything he needs ...
From: Ernie Lmi Ito - - . u nckleed
Thursday,April 02, 2015
Brower,
Subject: RE: Cobalt IMAC
Thanks again.
I have lots to look through. Impressed with your record keeping. The computer must have gotten over its hiccups.
Ernie
From: Brower, Connie[mailto:[e-mail]]
Sent: Thursday, April 2, 2015 12:45 PM
To: Ernie
Subject: RE: Cobalt IMAC
But, wait there's more on the way! All documents are in a separate e-mail..
-0
Connie
From: Ernie [Mi Ito: ern ie_®Rd u nckleed
Thursday,April 02, 2015
Brower, Connie
'Cobalt
Ms. Brower -
Thanks so much for your help.
Have a great weekend. I'll probably have some questions next week after I go through the information you sent.
Ernie Barker
Ernest Parker~, Jr., PE, CPS
DEQ-CFW 00012782

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From: Brower, Connie
Sent: Thursday, April J,Z0151Z:17PM
Tm:ernieCo)dunckieedunham.corn
First of several —
From: Moore, Sandra
Sent: Thursday, August 27, 2009 10:32 AM
To: '[e-mail]'
Cc: Moore, Sandra
Subject: Cobalt IMAC
Hi Jay,
hwas good totalk toyou this morning. |nregard toyour request for information about the establishment ofa
groundwater Interim Maximum Allowable Concentration (IMAC) for cobalt, first, you will need tosubmit awritten |MA[
request to the Division of Water Quality Director, Coleen Sullins, at the address below. To expedite staff review you may
want tosend acopy tomeaswell. You can submit your request tomeelectronically ifyou prefer.
Your request should include the IMAC you have calculated along with supporting documentation (calculations,
references and methods) generated in accordance with the requirements of 15A NCAC 2L .0202 (d) & (e). Please visit
our groundwater web site at the following address to link to a copy of the 2L.0202 regulations
. Also, on our web site you will find an example of the development of an IMAC for
PFOA (C3)that can beused asaguide . |naddition, |am
attaching a copy of the DWQ's SOP for establishing a groundwater standard, an excel calculation spreadsheet, and a
document with links to references for the six criteria.
Prior to your IMAC submittal please don't hesitate to contact me at 919-807-6417 or by email at
for further instructions and assistance.
IMA[mquest should bemailed to:
[o|eenSullins, Director
Division ofWater Quality,
N[Department ofEnvironment and Natural Resources
OEQ-CFVV_00012783

1617 Mail Service Center
Raleigh, NC 27699-1617
Please more new e-mail address
State Water Quality Standards Co -coordinator
Division of Water Quality
NC Department of Environment and Natural Resources
1617 Mail Service Center, Raleigh, NC 27699-1617
Sandra. [e-mail]
[phone]
Note: E-mail correspondence to and frorn this address n7ay be subject to the North Carolina Public Records Low and may be disclosed
to third parties.
DEQ-CFW-00012784