Page 18 - MERC Flip Template

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MERC ER02-09
15
* Know harmful algal species.
Active Chlorophyll-a
Chlorophyll is used as ancillary data and as a general presence/ absence indicator of
viable photosynthetic organism. MDL = 0.56
µg
T0 Ave
µg/l
T0 StDev
µg/l
TF Ave
µg/l
TF StDev
µg/l
Control
23.10
1.84
2.21
0.19
Treated
18.80
1.39
7.23
0.10
Regrowth Control
-
-
11.75
5.53
Regrowth Treated
-
-
0.17
0.12
Live Indicator Pathogens
CFU = colony forming units
E. coli
T0 Ave
cfu/100ml
T0 StDev
cfu/100ml
TF Ave
cfu/100ml
TF StDev
cfu/100ml
Control
2.20
1.10
1.00
1.71
Treated
0.00
0.00
0.00
0.00
Enterococci
T0 Ave
cfu
cfu/100ml
T0 StDev
cfu/100ml
TF Ave
cfu /100ml
TF StDev
cfu/100ml
Control
2.62
1.17
3.9
0.84
Treated
0
0.00
0.00
0.00
V. cholerae
No detectable culturable toxigenic
Vibrio cholerae
were detected in any samples during
any of the trials.
Total Heterotrophic Bacteria
T0 Ave
cfu/100ml
T0 StDev
cfu/100ml
TF Ave
cfu/100ml
TF StDev
cfu/100ml
Control
208.75
716.73
192.20
33.08
Treated
116.88
24.22
145.30
44.39
Dominant species
Type
Gyrodinium estuariale
Dino
Prorocentrum minimum*
Dino
Heterocapsa rotundatum
Dino
Gymnodinium
sp.
Dino
Gyrodinium
sp.
Dino
Amphidinium
sp.
Dino
Amphora
sp.
Diatom
Microcystis
sp.*(4-5
µ
m) Cyanobacteria
misc. Tinntinnids
Ciliates