DEQ-CFW_00082624

From: Kritzer, Jamie [/D=[XCHANG[LAB5/OU=EXCHANGEADMINISTRATIVE GROUP
(FYD|BOHF2]SPDLT)/CN=REOP|ENTS/CN=C[E9]C49D01445A]B541B8327DCDCD4O-JBKR|TZ[R]
Sent: 8/17/I0I71:40:44PW1
To: Maurer, Kevin [kevn.maurer@gatehousemediazom]
Subject: RE: KnappeEmail
Thanks, Kevin. I think we could all use a vacation. And I just had one not too long ago.
Jamie Kritzer
Communications Director
N.[Department ofEnvironmental Quality
919-707-3602
919-218-5935
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From: Maurer, Kevin [maiko:kevn.maurer0D8atehousemedia.com]
Sent: Thursday, August 17,2U179:3SAK8
To: Kritzer, Jamie <[e-mail]>
Subject: Re: KnappeEmail
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On Wed, Aug 16 2017 at4:4Q PM Kritzer, Jamie wrote:
im
|nresponse toyour question, here isanemail (be|ow)sent tostaff inDBQNov. 23 JO16from Det|efKnappe the lead
author of the study on GenX in the Cape Fear River. The reports Dr. Knappe sent are attached to this email.
You can see who bidentified inthe emai|sbelow. Those you might not recognize with the suffix "ncdenr"are staff in

Let me know if you need anything else.
Jamie Kritzer
Communications Director
N.C. Department of Environmental Quality
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From: Maurer, Kevin [mai Ito: [e-mail]]
Sent: Wednesday, August 16, 2017 3:59 PM
To: Kritzer, Jamie <jam ie.kritzer@ ncdenr.gov>
Subject: Knappe Email
Jamie,
Can you provide me with a copy of the email sent by Dr. Detlef Knappe in November 2016
to DEQ?
DEQ-CFW-00082625

Thanks
for the help.
Have a great day
Kevin
This massage may contain confidential and/or privileged information. If you are not the intended recipient or authorized
to receive this for the intended recipient, you must not use, copy, disclose or take any action based on this message or
any information herein. If you have received this message in onor, please advise the sender immediately by sanding u
reply e-mail and delete this message. Thank you for your cooperation.
From: DedefKnappe
Sent: Wednesday, November J],Z01611:46AM
To: Hill, Tammy Adam Pickett Austin,
VandryE Brower, Connie Godrea4Jeuuica
�Gore, Deborah <�Grryb,]u|ie
Ham, Chad ; Manning, Jeff Johnson, Chris
'MartieGroome ;��iche|eDavves
DA >;Poupart,Jeff �Risgaard,Jon <;
8adosky,Rebecca ;UCFR8AKevin Eason U[FR8AMichae|
Rhoney K4iokNu|and
Cc: Karo|y,[yndi �Zimmerman,]ay.................................. Knight, Sherri
Smith, Danny G�8��]im
Henson, Belinda Kroe8er,5teve Reeder, Tom
Subject: PFASsinthe Cape Fear River watershed
Hello everyone,

I am attaching a paper we published this month in ES&T Letters. We studied the occurrence of per- and
polyfluoroalkyl substances (PFASs) in the Cape Fear River watershed. Legacy PFASs, such as PFOA and
PFOS dominated the PFAS signature in the Haw River. In contrast, new fluorinated alternatives such as GenX,
a replacement for PFOA, were very high in Wilmington (and by association also in Brunswick and Pender).
None of the newly discovered compounds being discharged by the Chemours plant south of Fayetteville are
removed by the advanced and conventional treatment processes employed in the Sweeney WTP in
Wilmington. Also, many of the compounds are essentially non -adsorbable on activated carbon. I think it would
be useful to discuss the results. A large number of people are exposed to high levels of PFASs through their
drinking water!
Best regards,
Detlef
Detlef Knappe
Professor
319-E Mann Hall
Department of Civil, Construction, and Environmental Engineering
North Carolina State University
Campus Box 7908
Raleigh, NC 27695-7908
Phone: [phone]
Fax: [phone]
E-mail:
Web page:
Kevin Maurer
DEQ-CFW-00082627

Gatehouse Media
This message may contain confidential and/or privileged information. If you are not the intended recipient or authorized to
receive this for the intended recipient, you must not use, copy, disclose or take any action based on this message or any
information herein. If you have received this message in arror, p|aooa advise the sender immediately by sending a reply e-
mail and delete this message. Thank you for your cooperation.