DEQp00021212

North Carolina Division of Environmental Management
Water Quality Section / Environmental Sciences Branch
Ecosystems Analysis Unit / Intensive Survey Group
9 June 1989
Memorandum
To: Tom Stockton
Thru: Jay Saubeo
iOA-
From: Howard Bryant (40k'3
Subject: E. I. Dupont -Fayetteville Longterm BOD Analysis
E. I. Dupont -Fayetteville NC0003573 Bladen County
Receiving Stream: Cape Fear River Sub -basin: 030616
DAY
BOD
NH3-N TKN-N
NOX-N
TOTALN
REPS
0
0.06 2.5
19.0
21.5
5
7.8
0.07 1.5
20.0
22.0
9
10
11.8
8
15
15.1
0.03 0.9
21.0
22.0
8
20
17.5
7
25
19.8
7
30
21.9
0.03 0.9
21.0
22.0
7
35
24.0
6
40
26.0
6
45
27.7
r13on= 7,2 -)/t
6
50
70
29.3
33.0
Lt3�0 = 2�.�1
�1(
6
6
3.6
,o3S
Date Collected: 21/22 February 1989 (0900-0900)
Collected By: Ken Cox
Cary Lab BOD -5: no sample Total Phosphorus: 2.4 mg/L
pH: 8.5 Sulfite test for chlorine: 5 drops/100 ml 100 % sample was seeded.
Range of BOD -5: 7.48 - 8.66 mg/L
Range of BOD -70: 32.2 - 34.6 mg/L
Test evaluation: good
cc: Central Files