Document ID: EPA-HQ-OW-2003-0079-0008
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2003-11-18T05:00Z

Table
3c.
Freshwater
and
Saltwater
Final
Acute
Value
(
FAV)
and
Criteria
Calculations
Calculated
Freshwater
FAV
based
on
4
lowest
values:
Total
Number
of
GMAVs
in
Data
Set
=
27
Rank
GMAV
lnGMAV
(
lnGMAV)
2
P
=
R/(
n+
1)
SQRT(
P)

4
8.5666
2.148
4.613
0.14286
0.3780
3
5.7536
1.750
3.062
0.10714
0.3273
2
5.7472
1.749
3.058
0.07143
0.2673
1
3.5579
1.269
1.611
0.03571
0.1890
Sum:
6.916
12.34
0.3571
1.1615
S
=
4.419
L
=
0.4456
A
=
1.434
Calculated
FAV
=
4.194590
Calculated
CMC
=
2.097
Dissolved
Copper
Criterion
Maximum
Concentration
(
CMC)
=
2.1
µ
g/
L
(
for
example
normalization
chemistry
see
Table
1a,
footnote
f)
Criteria
Lethal
Accumulation
(
LA50)
based
on
example
normalization
chemistry
=
0.0412
nmol/
g
wet
wt
Criterion
Continuous
Concentration
(
CCC)
=
4.19459/
3.23
=
1.3
µ
g/
L
(
for
example
normalization
chemistry
see
Table
1a,
footnote
f)

Calculated
Saltwater
FAV
based
on
4
lowest
values:
Total
Number
of
GMAVs
in
Data
Set
=
44
Rank
GMAV
lnGMAV
(
lnGMAV)
2
P
=
R/(
n+
1)
SQRT(
P)

4
12.81
2.550
6.503
0.08889
0.2981
3
12.66
2.538
6.444
0.06667
0.2582
2
12.60
2.534
6.421
0.04444
0.2108
1
11.53
2.445
5.979
0.02222
0.1491
Sum:
10.068
25.35
0.2222
0.9162
S
=
0.752
L
=
2.3447
A
=
2.513
Calculated
FAV
=
12.340
Lowered
FAV
=
6.188
Calculated
CMC
=
6.170
Calculated
CMC
=
3.094
Dissolved
Copper
Final
Acute
Value
(
FAV)
=
6.188
µ
g/
L
(
lowered
from
12.30
to
protect
Mytilus
sp.
)
Dissolved
Copper
Criterion
Maximum
Concentration
(
CMC)
=
6.188/
2
=
3.1
µ
g/
L
Criterion
Continuous
Concentration
(
CCC)
=
6.188/
3.23
=
1.9
µ
g/
L
S
=
Scale
parameter
or
slope
L
=
Location
parameter
or
intercept
P
=
Cumulative
probability
A
=
lnFAV
49