NC0004987_Discharge Channel Summary_20160428

b� DUKE Brunswick Nuclear Plant
ENERGY® P.O.Box 28461
Southport,NC 28461
J1.11 p 6 2016
Serial: BSEP 16-0044
RECEIVED/NCDEQ/DVVR
Mr. Tom Belnick JUN 13 2016
Supervisor, Complex Permitting Unit
Division of Water Resources Water Quality
NC Department of Environmental Quality Perry{mina Section
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Brunswick Steam Electric Plant, Unit Nos. 1 and 2
2015 Discharge Channel Tritium Summary
Dear Mr. Belnick:
This letter fulfils the Brunswick Steam Electric Plant's (BSEP) agreement to provide your office
with summary information regarding concentrations of tritium in discharges from the plant.
Duke Energy Progress, Inc. is providing your office with a summary page containing analytical
data regarding tritium in conjunction with the development and submittal to the U.S. Nuclear
Regulatory Commission (NRC) of the BSEP's annual Radiological Environmental Operating
Report. This information is being provided with the understanding that it is generated pursuant
to the requirements of the nuclear operating licenses issued by the NRC to the plant and is not
a requirement of the NPDES program.
If there are any questions please contact Mr. Don Safrit, at [phone] or Mr. Marty
McGowan, at [phone].
Sincerely,
roe,714‘.°1.
Karl Moser
Plant Manager
Brunswick Steam Electric Plant
Enclosure: 2015 BSEP Effluent Tritium Sampling and Data

2015 BSEP Effluent Tritium Sampling and Data
Monthly samples are collected upstream of the ocean discharge pumps which pump water from the
effluent channel into the Atlantic Ocean. The samples are collected over a month time period using a
composite sampler with, typically, 50 milliliter aliquots being collected every 4 hours. Four(4) of the
twelve samples from the effluent channel indicated the presence of tritium. The maximum tritium
concentration was 329 pCVL, which was expected due to plant operations at the time of sampling.
2015 BSEP Effluent Tritium Data
Sample Date Tritium Concentration (pCVL)
1/18/2015 <LLD
2/16/2015 262
3/16/2015 329
4/16/2015 <LLD
5/19/2015 <LLD
6/14/2015 <LLD
7/16/2015 <LLD
8/17/2015 <LLD
9/14/2015 <LLD
10/17/2015 237
11/14/2015 <LLD
12/15/2015 203
LLD - Lower Limit of Detection
2015 BSEP Discharge Channel Tritium
—4—Discharge Channel f Water Quality Criterion
21000
19000
eta . . . . . , E 1 ■ ■
17000000
16000
15000
14000
13000
et 12000
5 10000
8000
7000
6000
5000
4000
3000
2000
1000 •--,s, t • • , • . • . ♦ . • , 4 , -.T♦ ,
1/1 2/1 3/1 4/1 5/1 6/1 7/1 8/1 9/1 10/1 11/1 12/1
Date