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Ref No. [UMCES[CBL 11-020
7
4.4. Total Organic Carbon (TOC)
In summary, particulate carbon (PC) concentrations ranged from 1.1 to 2.3 mg/l,
dissolved organic carbon (DOC) concentrations ranged from 2.9 to 5.7 mg/l, and total organic
carbon (TOC) challenge concentrations ranged from to 4.2 to 5.2 mg/l. Method detection limits
for PC = 0.0633 mg/L and DOC = 0.24 mg/L.
Trial # 1 –
Test Filter #1, 0.1 µm (no pre filters). 19 Jan 2011
PC (mg/L)
DOC (mg/L)
TOC (mg/L)
Time Point
Sample ID
Sample Time
Avg
Avg
(PC + DOC)
T-0 Initial
CW
11:15
1.54
3.09
4.63
T-1 Mid
No sample
N/A
N/A
N/A
T-2 Final
CW
11:32
1.47
3.12
4.59
Trial # 2 –
Test Filter #5, 0.1 µm (no pre filters).
19 Jan 2011
PC (mg/L)
DOC (mg/L)
TOC (mg/L)
Time Point
Sample ID
Sample Time
Avg
Avg
(PC + DOC)
T-0 Initial
CW
12:15
1.58
3.15
4.73
T-1 Mid
No sample
N/A
N/A
N/A
T-2 Final
CW
12:42
1.12
3.18
4.30
Trial # 3 -
Pre filter 20 µm > Test Filter #1, 0.1 µm. 13 Jan 2011
PC (mg/L)
DOC (mg/L)
TOC (mg/L)
Time Point
Sample ID
Sample Time
Avg
Avg
(PC + DOC)
T-0 Initial
CW
10:30
2.26
3.04
5.30
T-1 Mid
CW
11:05
2.55
3.11
5.66
T-2 Final
CW
12:00
1.50
3.07
4.57
Trial # 4 -
Pre filter 20 µm > Test Filter #5, 0.1 µm. 13 Jan 2011
PC (mg/L)
DOC (mg/L)
TOC (mg/L)
Time Point
Sample ID
Sample Time
Avg
Avg
(PC + DOC)
T-0 Initial
CW
13:05
1.37
2.94
4.31
T-1 Mid
CW
13:40
1.38
2.97
4.35
T-2 Final
CW
13:50
1.14
2.95
4.09
Trial # 5 -
Pre filter 20µm > pre filter 10µm > pre filter 5µm > Test Filter #1, 0.1µm.
19 Jan 2011
PC (mg/L)
DOC (mg/L)
TOC (mg/L)
Time Point
Sample ID
Sample Time
Avg
Avg
(PC + DOC)
T-0 Initial
CW
9:05
2.36
3.23
5.59
T-1 Mid
CW
9:35
2.10
3.20
5.30
T-2 Final
CW
9:52
1.81
3.06
4.87