NC0026051_report_19890418

North Carolina Division of Environmental Management
Water Quality Section / Technical Services Branch
Intensive Survey Unit
18 April 1989
Memorandum
To: Trevor Clements
Thru: Jay SauberJ
From: Haward Bryant /-'
Subject: Durham County Triangle WWTP Longterm BOD Analysis
Durham County Triangle WWTP NC0026051 Durham County
Receiving Stream: North East Creek Sub -basin 046t--
03a(o0S
DAY BOD NH3-N TKN-N NOX-N TOTALN REPS
0
5 2.2
1 1 3.1
1 5 3.7
2 0 4.3
25 4.8
3 0 5.2
3 5 5.4
4 0 5.7
45 5.9
50 6.1
55 6.3
6 0 6.7
w9, 6,533
K o. o5C
0.05 1.0 ,'Ts 17.0 18.0
0.13 1.2 1.01 17.0
0.02 2.2 2,icis 18.0
71-1,5
1 8.0 9
8
20.0 8
7
A.2. 7
7
7
6
6
6
6
6
Date Collected: 14/15 February 1989 (0900-0900)
Collected By: B Honeycutt
Cary Lab BOD-5: 1.3 mg/L Total Phosphorus: 2.4 mg/L
pH: 7.3 Sulfite test for chlorine: 2 drops/100 ml 100 % sample was seeded.
Range of BOD-5: 1.96 - 2.34 mg/L
Range of BOD-60: 5.75 - 6.97 mg/L
Test evaluation: good
cc: Central Files