MERC Land-Based Evaluation of the Filtrex Ballast Water Filter - page 24

MERC ER01-14
22
NTL Treated (post-filter)
Time
Point
Temp
(C)
Salinity
(psu)
Dissolved
Oxygen
(mg/L)
Dissolved
Oxygen
(%)
TP1
6.1
10.2
11.5
98
TP2
6.3
10.3
11.3
97
TP3
6.1
10.3
11.6
99
NTL Total Suspended Solids (TSS)
TSS samples at three time points taken from challenge and treated sampling hoses.
TSS MDL = 2.4 mg/L.
Sample ID
Sample
Time
TSS
AVE
(mg/L)
TSS
SD
Challenge 1
1147
2.7
0.0
Challenge 2
1213
2.7
0.2
Challenge 3
1239
3.0
0.1
Treated 1
1147
2.4
0.1
Treated 2
1213
2.8
0.1
Treated 3
1239
2.6
0.0
NTL Particulate Carbon Data
Samples from the time-integrated chambers.
Sample ID Ave (mg/L)
SD
Challenge
0.67
0.06
Treated
0.65
0.04
NTL Live Organisms ≥50 µm
Samples from the 35 µm mesh nets.
Zooplankton Taxa and Observations
Minimum dimensions measured.
Challenge (pre-filter)
Sample ID
Ave (#/m3)
SD
Challenge
253,684
2,672
Treated
119,560
3,159
1...,14,15,16,17,18,19,20,21,22,23 25,26,27
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