DEQ-CFW_00012762

From: Brower, Connie [/O=NCMA|L/OU=EXCHANGEADMINISTRATIVE GROUP
(FYD|BOHF2]SPDLT)/CN=REOP|ENTS/CN=CONN|E.BROVVER]
Sent: 2/19/I0I54:53:48PW1
To: [e-mail]
Subject: FVV: I,4-Dioxaneand NC3U Professor
Attachments: KnappePnesentadon-02062015.pdf
From: Massengale, Susan
Sent: Friday, February 06, 2015 1:43 PM
To: Ruhlman, Carrie; Reid, Dianne; Brower, Connie; Poupart, 3eff
PM
Susan
Polffic Information Officer
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From: Allocco, Marcia
Sent: Friday, February 06, 2015 10:27 AM
To: Massengale, Susan
Subject: 1,4-Dioxane and NCSU Professor
Barbara and | attend a training dauu yesterday where w/e presented on sampling and water and wastewater
compliance. As part of the day's events was a presentation from a NCSU professor named Detlaf Knappe and he
discussed emerging pollutants for drinking water. Henoted 1,4'dioxaneasanemerging pollutant and | have included a
scan ufthe relevant pages from our handouts. The table isofinterest asitnotes concentrations ofl4-dioxanein
finished water from NC drinking water systems across the state and it also notes NCSU's detection of the compound in
the Haw River at 83 uo/L The data from the water systems was available from the EPA and comes from a requirement
for water systems tu monitor for emerging contaminants; compounds that may have drinking water standards
developed for them inthe future. Unfortunately, data on the concentration of the compound in the water system's raw
water isnot available from the EPA (Mr.Knappe'sstatement).
Thought the attached might be of interest.
Regards,
Marcia
OEQ-CFVV_00012762

& : of Ulmer Resources
Marcia Allocco, MS — Senior EnvironmentalSpecialist
Dept.NC of !n i Natural Resources ]t R
Division of Water Resources - Water Quality Regional Operations
• i East Center Ave., Suite 301,28115
marcia.albZcQ@_!Icdenr,g�
www.ncwatergualily.org
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DEQ-CFW 00012763