Document ID: EPA-HQ-OW-2002-0049-0299
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2003-03-19T05:00Z

This
document
represents
the
best
judgment
of
the
EPA
staff
conducting
analyses
to
support
the
Phase
II
Section
316(
b)
rule
at
this
time.
It
does
not
represent
the
final
position
of
the
Administrator
or
EPA
on
this
rulemaking.
EPA
reserves
the
right
to
change
or
amend
any
of
the
statements
within
this
document
up
until
the
time
that
the
EPA
Administrator
takes
final
action
on
this
rule.

APPENDIX
3:
TABLES
1­
4
Table
1.
Facility
estimates
of
annual
impingement
(
numbers
of
organisms)
at
the
Pittsburg
facility.

Year
Chinook
salmon
Delta
smelt
Green
sturgeon
Longfin
smelt
Sacramento
splittail
Starry
flounder
Steelhead
Striped
bass
Threadfin
shad
Unidentified
Yellowfin
goby
1978­
1979
808
14,107
0
137,261
8,732
11,856
0
111,299
88,865
12,278
31,519
Avg.
1987­

1990
106
283
0
12,677
212
NA
0
NA
NA
NA
NA
Mean
457
7,195
0
74,969
4,472
11,856
0
111,299
88,865
12,278
31,519
Minimum
106
283
0
12,677
212
11,856
0
111,299
88,865
12,278
31,519
Maximum
808
14,107
0
137,261
8,732
11,856
0
111,299
88,865
12,278
31,519
SD
496
9,775
0
88,094
6,025
NA
0
NA
NA
NA
NA
Total
914
14,390
0
149,938
8,944
11,856
0
111,299
88,865
12,278
31,519
Table
2.
Facility
estimates
of
annual
entrainment
(
numbers
of
organisms)
at
the
Pittsburg
facility.

Year
American
shad
Chinook
salmon
Cyprinidae
Delta
smelt
Gobiidae
Green
sturgeon
Longfin
smelt
Northern
anchovy
Pacific
herring
1978­
1979
170,000
23,598
30,000
65,839,484
4,070,000
0
190,229
5,200,000
22,110,000
Avg.
1987­
1990
NA
0
NA
1,680,187
NA
0
232,641
NA
NA
Mean
170,000
11,799
30,000
33,759,836
4,070,000
0
211,435
5,200,000
22,110,000
Minimum
170,000
0
30,000
1,680,187
4,070,000
0
190,229
5,200,000
22,110,000
Maximum
170,000
23,598
30,000
65,839,484
4,070,000
0
232,641
5,200,000
22,110,000
SD
NA
16,686
NA
45,367,474
NA
0
29,990
NA
NA
Total
170,000
23,598
30,000
67,519,671
4,070,000
0
422,870
5,200,000
22,110,000
This
document
represents
the
best
judgment
of
the
EPA
staff
conducting
analyses
to
support
the
Phase
II
Section
316(
b)
rule
at
this
time.
It
does
not
represent
the
final
position
of
the
Administrator
or
EPA
on
this
rulemaking.
EPA
reserves
the
right
to
change
or
amend
any
of
the
statements
within
this
document
up
until
the
time
that
the
EPA
Administrator
takes
final
action
on
this
rule.

Table
2.
Facility
estimates
of
annual
entrainment
(
numbers
of
organisms)
at
the
Pittsburg
facility
(
cont.).

Year
Prickly
sculpin
Sacramento
splittail
Starry
flounder
Steelhead
Striped
bass
Threadfin
shad
Unidentified
Yellowfin
goby
1978­
1979
29,610,000
155,289
0
0
284,370,000
670,000
66,811,113
6,070,000
Avg.
1987­
1990
NA
336,037
NA
0
NA
NA
NA
NA
Mean
29,610,000
245,663
0
0
284,370,000
670,000
66,811,113
6,070,000
Minimum
29,610,000
155,289
0
0
284,370,000
670,000
66,811,113
6,070,000
Maximum
29,610,000
336,037
0
0
284,370,000
670,000
66,811,113
6,070,000
SD
NA
127,808
NA
0
NA
NA
NA
NA
Total
29,610,000
491,326
0
0
284,370,000
670,000
66,811,113
6,070,000
Table
3.
Facility
estimates
of
annual
entrainment
(
numbers
of
organisms)
at
the
Contra
Costa
facility.

Year
American
shad
Bigscale
logperch
Catfish
family
Chinook
salmon
Delta
smelt
Gobiidae
Green
sturgeon
Hitch
Longfin
smelt
Northern
anchovy
Pacific
herring
Prickly
sculpin
1978­
1979
75,000
295,000
80,000
10,318
21,755,741
230,000
0
110,000
0
31,400
170,000
24,800,000
Avg.
1987­
1990
NA
NA
NA
0
1,565,933
NA
0
NA
71,179
NA
NA
NA
Mean
75,000
295,000
80,000
5,159
11,660,837
230,000
0
110,000
35,590
31,400
170,000
24,800,000
Minimum
75,000
295,000
80,000
0
1,565,933
230,000
0
110,000
0
31,400
170,000
24,800,000
Maximum
75,000
295,000
80,000
10,318
21,755,741
230,000
0
110,000
71,179
31,400
170,000
24,800,000
SD
NA
NA
NA
7,296
14,276,350
NA
0
NA
50,331
NA
NA
NA
Total
75,000
295,000
80,000
10,318
23,321,674
230,000
0
110,000
71,179
31,400
170,000
24,800,000
Table
3.
Facility
estimates
of
annual
entrainment
(
numbers
of
organisms)
at
the
Contra
Costa
facility
(
cont.).

Year
Sacramento
splittail
Starry
flounder
Steelhead
Striped
bass
Sunfish
family
Threadfin
shad
Unidentified
White
catfish
Yellowfin
goby
1978­
1979
189,659
630,000
0
81,000,000
240,000
17,660,000
27,543,623
440,000
6,170,000
Avg.
1987­
1990
94,905
NA
0
NA
NA
NA
NA
NA
NA
Mean
142,282
630,000
0
81,000,000
240,000
17,660,000
27,543,623
440,000
6,170,000
Minimum
94,905
630,000
0
81,000,000
240,000
17,660,000
27,543,623
440,000
6,170,000
Maximum
189,659
630,000
0
81,000,000
240,000
17,660,000
27,543,623
440,000
6,170,000
SD
67,001
NA
0
NA
NA
NA
NA
NA
NA
Total
284,564
630,000
0
81,000,000
240,000
17,660,000
27,543,623
440,000
6,170,000
This
document
represents
the
best
judgment
of
the
EPA
staff
conducting
analyses
to
support
the
Phase
II
Section
316(
b)
rule
at
this
time.
It
does
not
represent
the
final
position
of
the
Administrator
or
EPA
on
this
rulemaking.
EPA
reserves
the
right
to
change
or
amend
any
of
the
statements
within
this
document
up
until
the
time
that
the
EPA
Administrator
takes
final
action
on
this
rule.

Table
4.
Facility
estimates
of
annual
impingement
(
numbers
of
organisms)
at
the
Contra
Costa
facility.

Year
American
shad
Chinook
salmon
Delta
smelt
Green
sturgeon
Longfin
smelt
Sacramento
splittail
Steelhead
Striped
bass
Threadfin
shad
Unidentified
White
catfish
Yellowfin
goby
1978­
1979
19,602
1,083
8,253
0
19,475
12,455
38
136,149
107,228
9,376
5,868
14,830
Avg.
1987­
1990
NA
0
942
0
336
889
0
NA
NA
NA
NA
NA
Mean
19,602
542
4,598
0
9,906
6,672
19
136,149
107,228
9,376
5,868
14,830
Minimum
19,602
0
942
0
336
889
0
136,149
107,228
9,376
5,868
14,830
Maximum
19,602
1,083
8,253
0
19,475
12,455
38
136,149
107,228
9,376
5,868
14,830
SD
NA
766
5,170
0
13,533
8,178
27
NA
NA
NA
NA
NA
Total
19,602
1,083
9,195
0
19,811
13,344
38
136,149
107,228
9,376
5,868
14,830