Document ID: EPA-HQ-OW-2003-0074-1173
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2004-08-31T04:00Z

This
workbook
contains
the
following
worksheets:

Worksheet
Name
Worksheet
Description
Worksheet
Assumptions
Notes
Describes
the
worksheets
in
this
workbook
Results
A
summary
of
the
results
of
the
Cook
Inlet
analysis
Chart
A
bar
chart
presentation
of
the
Toxic
Weighted
Pounds
Equivalents
(
TWPE)
per
platform
Conversions
Lists
unit
conversions
used
in
the
TWPE
calculations
TWF
and
Reported
Units
Lists
TWF
and
reported
units
for
each
reported
pollutant
TAH
and
TAqH
TWF
Presents
the
data
used
to
estimate
the
Toxic
Weighting
Factor
(
TWF)
for
Total
Aromatic
Hydrocarbons
(
TAH)
and
Total
Aqueous
Hydrocarbons
(
TAqH).
The
TWFs
selected
to
represent
TAH
and
TAqH
are
based
on
the
median
TWF
of
the
compounds
of
which
they
are
comprised.

SBF
Pollutants
Input
Data
Details
from
the
Synthetic
Based
Fluids
(
SBF)
rule
(
Source:
EPA
)

WBF
Pollutants
Input
Data
Estimate
of
the
Water
Based
Fluids
(
WBF)
drill
waste
TWF,
using
SBF
data
WBF
barite
was
assumed
to
have
the
same
components
as
SBF
barite.

TWF
for
WBF
was
based
only
on
barite,
as
no
data
are
available
for
the
other
parameters.

Produced
H20
2001
Discharge
Monitoring
Report
(
DMR)
data
for
2001
produced
water
(
Source:
Cook
Inlet
Keeper
)

TWPE
Produced
H20
2001
TWPE
calculations
for
2001
produced
water
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed.

When
TAqH
and
TAH
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Produced
H20
2002
DMR
data
for
2002
produced
water
(
Source:
Cook
Inlet
Keeper
)

TWPE
Produced
H20
2002
TWPE
calculations
for
2002
produced
water
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed.

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Drilling
Wastes
2001
DMR
data
for
2001
drilling
wastes
(
Source:
Cook
Inlet
Keeper
)

TWPE
Drilling
Wastes
2001
TWPE
calculations
for
2001
drilling
water
Drilling
Wastes
2002
DMR
data
for
2002
drilling
wastes
(
Source:
Cook
Inlet
Keeper
)

TWPE
Drilling
Wastes
2002
TWPE
calculations
for
2002
drilling
water
Toxic
Weighted
Pound
Equivalents
(
TWPEs)
of
Discharge
to
Cook
Inlet,
AK
by
Platform
for
2001
and
2002
Produced
Water
Drilling
Waste
Total
Produced
Water
Drilling
Waste
Total
Anna
Platform
243
243
173
173
Baker
Platform
10
10
8
8
Bruce
Platform
4
4
3
3
Dillon
Platform
521
521
487
487
Dolly
Varden
Platform
0
0
0
0
Granite
Pt.
Platform
0
0
0
0
Granite
Pt.
Prod.
Fac.
2
2
6
6
Grayling
Platform
0
0
0
0
King
Salmon
Platform
0
0
0
0
Monopod
Platform
0
554
554
0
398
398
Steelhead
Platform
0
2,217
2,217
0
0
Trading
Bay
Trtmt.
Fac.*
9,198
9,198
9,521
9,521
E.
Foreland
Trtmt.
Fac.
195
195
195
195
Platform
A
290
290
0
0
Platform
C
0
0
1,755
1,755
Phillips
Petroleum
Tyonek
A
Platform
No
data
0
0
Forest
Oil
Osprey
PF
­
NRs
0
217
217
10,172
3,061
13,233
10,394
2,370
12,763
Other
platforms
at
Cook
Inlet
include
Marathon's
Spark
Platform
and
Spurr
Platform.

*
Trading
Bay
Treatment
Facility
takes
water
from
Dolly
Varden,
Grayling,
King
Salmon,
Monopod,
and
Steelhead
for
treatment.

2001
TWPE
2002
TWPE
TOTALS
Facility
Operator
Unocal
XTO
Energy
Toxic
Weighted
Pound
Equivalents
(
TWPE)
Discharged
to
Cook
Inlet,
AK
in
2001
and
2002
by
Platform
(
Excludes
platforms
that
have
zero
discharge)

0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
9,000
10,000
Unocal­

Anna
Platform
Unocal­

Baker
Platform
Unocal­

Bruce
Platform
Unocal­

Dillon
Platform
Unocal­

Granite
Pt.

Prod.

Fac.
Unocal­

Monopod
Platform
Unocal­

Steelhead
Platform
Unocal­

Trading
Bay
Trtmt.

Fac.
XTO
Energy­

E.

Foreland
Trtmt.

Fac.
XTO
Energy­

Platform
A
XTO
Energy­

Platform
C
Forest
Oil­

Osprey
PF
­

NRs
TWPE
2001
2002
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
C
Units
Conversion
Factor
Liters/
day
per
MGD
3785000
pounds
per
miligram
2.20459E­
06
Pounds
per
microgram
2.20459E­
09
Days
per
month
30
Liters/
day
per
m3/
day
1000
Gallons
per
barrel
42
ml
per
gallon
3785
Pounds
per
kg
2.2046
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
Pollutant
Reported
on
DMR
Toxic
Weighting
Factor
(
TWF)
Pr.
H2O/
dd
(
mgd)
MGD
million
gallons
per
day
O/
G
mg/
L
milligram
per
liter
Cu
0.627
ug/
L
microgram
per
liter
Hg
117.077
ug/
L
microgram
per
liter
Zn
0.047
ug/
L
microgram
per
liter
Ag
16.471
ug/
L
microgram
per
liter
Pb
2.240
ug/
L
microgram
per
liter
As
3.469
ug/
L
microgram
per
liter
Total
Aromatic
Hydrocarbons
(
TAH)*
0.005
ug/
L
microgram
per
liter
Total
Aqueous
Hydrocarbons
(
TAqH)*
0.077
ug/
L
microgram
per
liter
Total
Drill
Cuttings
(
bbl)**
0.198
barrels
(
42
gallons)
Total
Drilling
Mud
(
bbl)**
0.198
barrels
(
42
gallons)
*
TWF
estimated
in
worksheet
"
TAH
and
TAqH
TWF"
**
TWF
shown
is
TWPE
per
barrel
(
see
worksheet
"
WBF
Pollutants
Input
Data"
for
calculation)
DMR
Reported
Units
The
TWF
for
TAH
and
TAqH
are
estimated
below.

Compound
Method
of
Estimation
TWF
TAH
Median
TWF
of
TAH
compounds
0.00515
TAqH
Median
TWF
of
TAH
and
PAH
compounds
0.0767
Compound
Type
Compound
TWF
TAH
1­
2
dichlorobenzene
0.0105
TAH
1­
3
dichlorobenzene
0.0122
TAH
1­
4
dichlorobenzene
0.0767
TAH
Benzene
0.018
TAH
Chlorobenzene
0.00293
TAH
Ethylbenzene
0.0015
TAH
Toluene
0.0056
TAH
p
Xylene
0.0047
TAH
o
Xylene
0.0043
TAH
M
Xylene
0.0014
PAH
Acenaphthene
0.029
PAH
Acenaphthylene
0.0084
PAH
Antracene
2.546
PAH
Benzo(
a)
anthracene
181
PAH
benzo(
a)
pyrene
4284
PAH
Benzo(
b)
fluoranthene
421
PAH
benzo(
ghi)
perylene
0.3
PAH
Benzo(
k)
fluoranthene
42
PAH
Chysene
2.104
PAH
dibenzo(
a,
h)
anthracene
1693
PAH
Fluoranthene
0.8037
PAH
indeno(
1,2,3,
cd)
pyrene
1.139
PAH
Napthalene
0.0154
PAH
Phenanthrene
0.2947
PAH
Pyrene
0.111
The
TWFs
selected
to
represent
TAH
and
TAqH
are
based
on
the
median
TWF
of
the
compounds
of
which
they
are
comprised.
SBF
Whole
Drilling
Mud
(
Fluid)
Pollutant
Characterization
Pollutant
Name
Average
Concentration
of
Pollutants
in
SBF
Whole
Drilling
Mud
(
Fluid)
Conventional
Pollutants
lbs/
lb­
dry
SBF
***
lbs/
bbl­
drilling
fluid
Total
Oil
as
SBF
Basefluid
N/
A
190.491
Total
Oil
as
Formation
Oil
N/
A
0.588
Total
Oil
(
SBF
Basefluid
+
Form.
Oil)
N/
A
191.079
TSS
as
barite
(
includes
contaminants)
1.000
133.749
Priority
Pollutant
Organics
mg/
ml
*
lbs/
lb­
dry
SBF
***
lbs/
bbl­
drilling
fluid
Naphthalene
1.43
N/
A
0.0010024
Fluorene
0.78
N/
A
0.0005468
Phenanthrene
1.85
N/
A
0.0012969
Phenol
(
ug/
g)
6
N/
A
0.000003528
Priority
Pollutants,
Metals
mg/
kg­
barite
lbs/
lb­
dry
SBF
***
lbs/
bbl­
drilling
fluid
Cadmium
1.1
0.0000011
0.0001471
Mercury
0.1
0.0000001
0.0000134
Antimony
5.7
0.0000057
0.0007624
Arsenic
7.1
0.0000071
0.0009496
Berylium
0.7
0.0000007
0.0000936
Chromium
240.0
0.0002400
0.0320998
Copper
18.7
0.0000187
0.0025011
Lead
35.1
0.0000351
0.0046946
Nickel
13.5
0.0000135
0.0018056
Selenium
1.1
0.0000011
0.0001471
Silver
0.7
0.0000007
0.0000936
Thallium
1.2
0.0000012
0.0001605
Zinc
200.5
0.0002005
0.0268167
Non­
Conventional
Pollutants
mg/
kg­
barite
lbs/
lb­
dry
SBF
***
lbs/
bbl­
drilling
fluid
Aluminum
9,069.9
0.0090699
1.213090055
Barium
****
588,000
0.5880000
78.644412
Iron
15,344.3
0.0153443
2.052284781
Tin
14.6
0.0000146
0.001952735
Titanium
87.5
0.0000875
0.011703038
mg/
ml
*
lbs/
lb­
dry
SBF
***
lbs/
bbl­
drilling
fluid
Alkylated
benzenes
8.05
N/
A
0.0056432
Alkylated
naphthalenes
75.68
N/
A
0.0530527
Alkylated
fluorenes
9.11
N/
A
0.0063862
Alkylated
phenanthrenes
11.51
N/
A
0.0080687
Alkylated
phenols
(
ug/
g)
52.9
N/
A
0.0000311
Total
biphenyls
14.96
N/
A
0.0104872
Total
dibenzothiophenes
(
ug/
g)
760
N/
A
0.0004469
TOTALS
*
Except
where
noted
**
Includes
assumption
of
0.2%
formation
oil
contamination
***
The
dry
weight
(
lbs)
of
the
barite
component
(
including
comtaninants)
in
a
SBF
is
equivalent
to
th
****
Barium
is
derived
from
assumptions
list
on
Page
XI­
8,
Offshore
Dev.
Doc.
(
EPA­
821­
R­
93­
003,
[
i.
e.
barite
is
pure
barium
sulfate
(
BaSO4)
and
by
molecular
weights
barium
sulfate
is
58.8%
by
Reference
Derived
from
SBF
formulation
and
densities
(
see
"
Model
Well
Input
Data"
worksheet)
**

Calculated
from
diesel
oil
composition
in
Offshore
Dev.
Doc.,
Table
VII­
9
**

Offshore
Dev.
Doc.,
Table
XI­
6
Offshore
Dev.
Doc.,
Table
XI­
6
Calculated
from
diesel
oil
composition
in
Offshore
Dev.
Doc.,
Table
VII­
9
**

the
term
"
lb­
dry
SBF"

y
weight
barium]
WBF
Whole
Drilling
Mud
(
Fluid)
Pollutant
Characterization
TWF
for
WBF
was
based
only
on
barite,
as
no
data
are
available
for
the
other
parameters
Pollutant
Name
Average
Concentration
of
Pollutants
Reference
in
WBF
Whole
Drilling
Mud
(
Fluid)

Conventional
Pollutants
lbs/
lb­
dry
WBF
***
lbs/
bbl­
drilling
fluid
TWF
TWPE
per
barrel
Total
Oil
as
SBF
Basefluid
N/
A
Total
Oil
as
Formation
Oil
N/
A
Total
Oil
(
SBF
Basefluid
+
Form.
Oil)
N/
A
Offshore
Dev.
Doc.,

TSS
as
barite
(
includes
contaminants)
1.000
98
Table
XI­
3
Priority
Pollutant
Organics
mg/
ml
*
lbs/
lb­
dry
WBF
***
lbs/
bbl­
drilling
fluid
Naphthalene
Fluorene
Phenanthrene
Phenol
(
ug/
g)

Priority
Pollutants,
Metals
mg/
kg­
barite
lbs/
lb­
dry
WBF
***
Conversion
equation
lbs/
bbl­
drilling
fluid
TWF
Conversion
equation
TWPE
per
barrel
Cadmium
1.1
0.0000011
X
98
lbs/
bbl­
drilling
fluid
=
0.0001078
Offshore
Dev.
Doc.,
2.612014545
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000281575
Mercury
0.1
0.0000001
X
98
lbs/
bbl­
drilling
fluid
=
0.0000098
Table
XI­
6
117.0766488
lbs/
bbl­
drilling
fluid
X
TWF
=
0.001147351
Antimony
5.7
0.0000057
X
98
lbs/
bbl­
drilling
fluid
=
0.0005586
0.0048
lbs/
bbl­
drilling
fluid
X
TWF
=
2.68128E­
06
Arsenic
7.1
0.0000071
X
98
lbs/
bbl­
drilling
fluid
=
0.0006958
3.469333333
lbs/
bbl­
drilling
fluid
X
TWF
=
0.002413962
Berylium
0.7
0.0000007
X
98
lbs/
bbl­
drilling
fluid
=
0.0000686
1.061543774
lbs/
bbl­
drilling
fluid
X
TWF
=
7.28219E­
05
Chromium
240.0
0.0002400
X
98
lbs/
bbl­
drilling
fluid
=
0.0235200
0.075681222
lbs/
bbl­
drilling
fluid
X
TWF
=
0.001780022
Copper
18.7
0.0000187
X
98
lbs/
bbl­
drilling
fluid
=
0.0018326
0.626902222
lbs/
bbl­
drilling
fluid
X
TWF
=
0.001148861
Lead
35.1
0.0000351
X
98
lbs/
bbl­
drilling
fluid
=
0.0034398
2.24
lbs/
bbl­
drilling
fluid
X
TWF
=
0.007705152
Nickel
13.5
0.0000135
X
98
lbs/
bbl­
drilling
fluid
=
0.0013230
0.108914308
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000144094
Selenium
1.1
0.0000011
X
98
lbs/
bbl­
drilling
fluid
=
0.0001078
1.1204992
lbs/
bbl­
drilling
fluid
X
TWF
=
0.00012079
Silver
0.7
0.0000007
X
98
lbs/
bbl­
drilling
fluid
=
0.0000686
16.47064024
lbs/
bbl­
drilling
fluid
X
TWF
=
0.001129886
Thallium
1.2
0.0000012
X
98
lbs/
bbl­
drilling
fluid
=
0.0001176
1.001714286
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000117802
Zinc
200.5
0.0002005
X
98
lbs/
bbl­
drilling
fluid
=
0.0196490
0.046748133
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000918554
Non­
Conventional
Pollutants
mg/
kg­
barite
lbs/
lb­
dry
WBF
***
Conversion
equation
lbs/
bbl­
drilling
fluid
TWF
Conversion
equation
TWPE
per
barrel
Aluminum
9,069.9
0.0090699
X
98
lbs/
bbl­
drilling
fluid
=
0.8888502
Offshore
Dev.
Doc.,
0.064487936
lbs/
bbl­
drilling
fluid
X
TWF
=
0.057320115
Barium
****
588,000
0.5880000
X
98
lbs/
bbl­
drilling
fluid
=
57.624
Table
XI­
6
0.001990757
lbs/
bbl­
drilling
fluid
X
TWF
=
0.114715393
Iron
15,344.3
0.0153443
X
98
lbs/
bbl­
drilling
fluid
=
1.5037414
0.0056
lbs/
bbl­
drilling
fluid
X
TWF
=
0.008420952
Tin
14.6
0.0000146
X
98
lbs/
bbl­
drilling
fluid
=
0.0014308
0.301075269
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000430778
Titanium
87.5
0.0000875
X
98
lbs/
bbl­
drilling
fluid
=
0.008575
0.029319372
lbs/
bbl­
drilling
fluid
X
TWF
=
0.000251414
mg/
ml
*
lbs/
lb­
dry
WBF
***
lbs/
bbl­
drilling
fluid
Alkylated
benzenes
Alkylated
naphthalenes
Alkylated
fluorenes
Alkylated
phenanthrenes
Alkylated
phenols
(
ug/
g)

Total
biphenyls
Total
dibenzothiophenes
(
ug/
g)
Total
TWPE
per
barrel
0.198122204
*
Except
where
noted
**
Includes
assumption
of
0.2%
formation
oil
contamination
***
The
dry
weight
(
lbs)
of
the
barite
component
(
including
comtaninants)
in
a
WBF
is
equivalent
to
the
term
"
lb­
dry
WBF":
Conversion
factor
of
1E­
6
derived
by
Equation
A.

****
Barium
is
derived
from
assumptions
list
on
Page
XI­
8,
Offshore
Dev.
Doc.
(
EPA­
821­
R­
93­
003,
January
1993)

[
i.
e.
barite
is
pure
barium
sulfate
(
BaSO4)
and
by
molecular
weights
barium
sulfate
is
58.8%
by
weight
barium]
Operator
/
Facility
Pr.
H2O/
dd
(
mgd)
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Unocal
Anna
Platform
12/
1
0.041274
14.3
19.8
0.00
0.00
0.22
0.22
11/
1
0.041105
11.1
16.0
0.00
0.00
0.00
0.00
10/
1
0.041781
12.1
14.2
1.00
1.00
0.10
0.10
9/
1
0.043490
11.3
16.3
0.00
0.00
0.15
0.30
8/
1
0.044855
10.0
13.3
0.00
0.00
0.24
0.24
7/
1
0.046769
10.1
16.1
0.00
0.00
0.00
0.00
6/
1
0.051198
9.8
15.0
0.00
0.00
0.00
0.00
5/
1
0.046792
11.3
20.3
0.00
0.00
0.00
0.00
4/
1
0.046532
13.6
15.4
0.00
0.00
0.00
0.00
3/
1
0.051017
12.3
13.2
0.00
0.00
0.00
0.00
2/
1
0.049690
19.9
25.0
2.70
2.70
0.00
0.00
1/
1
0.049117
13.1
16.1
0.00
0.00
0.00
0.00
Average
0.046135
12.4
16.7
0.31
0.31
0.06
0.07
Baker
Platform
12/
1
0.046527
17.0
21.2
2130
11/
1
0.045782
20.7
27.4
1730
10/
1
0.045050
18.5
21.3
1450
9/
1
0.044781
15.0
22.1
1210
8/
1
0.045212
17.4
21.3
2060
7/
1
0.047767
16.1
20.4
1640
6/
1
0.044417
18.0
21.3
1800
5/
1
0.043071
19.3
21.6
910
4/
1
0.041293
16.7
21.8
1600
3/
1
0.041455
16.8
23.0
860
2/
1
0.040745
15.5
22.8
1700
1/
1
0.040164
12.1
14.0
1800
Average
0.043855
16.9
21.5
1574
Bruce
Platform
12/
1
0.007302
21.0
47.2
11/
1
0.007185
13.0
21.3
10/
1
0.006939
14.2
21.9
9/
1
0.008639
12.8
16.0
8/
1
0.007399
14.2
19.9
7/
1
0.007319
12.4
15.7
6/
1
0.006825
13.0
17.7
5/
1
0.007037
12.3
15.0
4/
1
0.007718
12.1
13.0
3/
1
0.008004
16.1
19.0
2/
1
0.007735
11.1
13.9
1/
1
0.007245
17.4
21.9
Average
0.007446
14.1
20.2
Dillon
Platform
12/
1
0.138790
15.2
18.3
0.00
0.00
595
11/
1
0.150646
14.6
20.6
0.00
0.00
961
10/
1
0.152752
14.5
17.4
0.00
0.00
317
9/
1
0.155174
13.4
15.7
0.00
0.00
608
8/
1
0.144898
9.8
10.8
0.00
0.00
915
7/
1
0.142724
11.9
15.5
0.00
0.00
510
6/
1
0.176543
9.2
12.4
0.00
0.00
600
5/
1
0.184641
10.6
14.9
0.00
0.00
640
4/
1
0.175897
11.3
16.7
0.00
0.00
810
3/
1
0.178440
10.8
13.7
0.00
0.00
630
2/
1
0.183224
15.5
22.2
0.00
0.00
770
1/
1
0.183814
12.9
17.4
0.00
0.00
580
Average
0.163962
12.5
16.3
0.00
0.00
661
Dolly
Varden
Platform
0.000000
Granite
Pt.
Platform
0.000000
Granite
Pt.
Prod.
Fac.
12/
1
0.006724
19.1
29.1
3.30
3.30
0.21
0.21
11/
1
0.006723
16.1
20.1
3.50
3.50
0.43
0.43
10/
1
0.010472
15.4
19.7
0.00
0.00
0.00
0.00
9/
1
No
data
8/
1
0.011237
8.0
14.9
0.00
0.00
0.00
0.00
7/
1
0.006617
12.1
15.8
0.00
0.00
0.00
0.00
6/
1
0.008395
15.0
18.3
0.00
0.00
0.28
0.28
5/
1
0.006086
11.9
16.0
0.00
0.00
0.00
0.00
4/
1
0.007280
13.6
15.2
0.00
0.00
0.00
0.00
3/
1
0.008013
17.8
20.1
0.00
0.00
0.00
0.00
2/
1
0.014124
22.3
29.4
0.00
0.00
1.07
1.07
1/
1
0.004623
25.1
26.6
0.00
0.00
0.75
0.75
Average
0.008209
16.0
20.5
0.62
0.62
0.25
0.25
Grayling
Platform
0.000000
King
Salmon
Platform
0.000000
Monopod
Platform
0.000000
Steelhead
Platform
0.000000
Trading
Bay
Trtmt.
Fac.
12/
1
5.020380
25.5
39.2
0.00
0.00
11/
1
5.072230
24.8
33.0
0.00
0.00
10/
1
4.592240
19.7
21.8
1.00
1.00
9/
1
4.307676
24.9
33.4
0.00
0.00
8/
1
4.800195
17.3
22.9
0.00
0.00
7/
1
4.793612
17.1
25.3
0.00
0.00
6/
1
4.893910
18.7
20.2
0.00
0.00
5/
1
5.026849
18.9
31.5
0.00
0.00
4/
1
4.459269
17.8
24.8
0.00
0.00
3/
1
5.256751
16.8
19.8
0.00
0.00
2/
1
4.708479
16.8
20.4
0.00
0.00
1/
1
4.886208
13.6
23.1
0.00
0.00
Average
4.818150
19.3
26.3
0.08
0.08
XTO
Energy
E.
Foreland
Trtmt.
Fac.
12/
1
0.064000
19.0
28.0
0.00
0.00
0.00
0.00
11/
1
0.065000
15.0
17.0
0.00
0.00
0.00
0.00
10/
1
0.062000
14.0
19.0
0.00
0.00
0.00
0.00
9/
1
0.047000
12.0
14.0
3.04
3.04
0.00
0.00
8/
1
0.052000
16.0
26.0
0.00
0.00
0.21
0.21
7/
1
0.050000
18.0
20.0
0.00
0.00
0.46
0.46
6/
1
0.065000
10.0
12.0
0.00
0.00
0.00
0.00
5/
1
0.064000
12.0
20.0
0.00
0.00
0.32
0.32
4/
1
0.079000
16.0
18.0
0.00
0.00
0.00
0.00
3/
1
0.072000
17.0
32.0
0.00
0.00
0.00
0.00
2/
1
0.075000
18.0
24.0
0.00
0.00
0.00
0.00
1/
1
No
data
Average
0.063182
15.2
20.9
0.28
0.28
0.09
0.09
Phillips
Petroleum
Tyonek
A
Platform
12/
1
No
data
11/
1
No
data
10/
1
No
data
9/
1
No
data
8/
1
No
data
7/
1
No
data
6/
1
No
data
5/
1
No
data
4/
1
No
data
3/
1
No
data
2/
1
No
data
1/
1
No
data
Forest
Oil
Osprey
PF
­
NRs
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

20700
20700
20916
20916
24820
24820
25113
25113
23635
23635
23602
23602
14010
14010
14475
14475
23590
23590
24026
24026
17010
17010
17349
17349
22760
22760
22832
22832
22660
22660
22992
22992
23360
23360
23724
23724
29030
29030
29317
29317
11300
11300
11464
11464
36450
36450
36726
36726
22444
22444
22711
22711
2130
1730
1450
1210
2060
1640
1800
910
1600
860
1700
1800
1574
0.00
0.00
24090
24090
0.00
0.00
29290
29290
0.05
0.05
65500
65500
0.00
0.00
41300
41300
0.00
0.00
36800
36800
0.00
0.00
23120
23120
0.00
0.00
24730
24730
0.00
0.00
38580
38580
0.00
0.00
25870
25870
0.00
0.00
18970
18970
0.00
0.00
32300
32300
0.00
0.00
36070
36070
0.00
0.00
33052
33052
595
0.0
0.0
17860
17860
18140
18140
961
0.0
0.0
12920
12920
13213
13213
317
0.0
0.0
11240
11240
11522
11522
608
10.0
10.0
28220
28220
28647
28647
915
14.0
14.0
11170
11170
11460
11460
510
14.0
14.0
9680
9680
9893
9893
600
0.0
0.0
6990
6990
7262
7262
640
0.0
0.0
12030
12030
12297
12297
810
0.0
0.0
12510
12510
12918
12918
630
0.0
0.0
11000
11000
11608
11608
770
0.0
0.0
11360
11360
11840
11840
580
0.0
0.0
12310
12440
12541
12655
661
3.2
3.2
13108
13118
13445
13455
0.0
0.0
12780
12780
0.0
0.0
10650
10650
0.0
0.0
9530
9530
0.0
0.0
9130
9130
15.0
15.0
8590
8590
0.0
0.0
8700
8700
0.0
0.0
9920
9920
11.0
11.0
10030
10030
0.0
0.0
9930
9930
0.0
0.0
11550
11550
0.0
0.0
9820
9820
2.4
2.4
10057
10057
0.0
0.0
9446
15170
9749
15481
3.0
11.0
9640
13380
9890
13511
8.0
14.0
8458
10200
8709
10382
3.0
12.0
8380
9820
8893
10465
3.0
10.0
8358
8856
8682
9216
0.0
0.0
6979
10917
7278
11179
5.0
18.0
7354
9400
7675
9688
3.0
16.0
6004
7898
6311
8253
0.0
0.0
6636
8680
7049
9065
0.0
0.0
7645
8922
8120
9400
0.0
0.0
7283
7841
7810
8244
0.0
0.0
8397
8895
8468
9277
2.1
6.8
7882
9998
8220
10347
0.00
0.00
10.8
10.8
0.0
0.0
14670
14670
14974
14974
2.26
2.26
0.0
0.0
0.0
0.0
14530
14530
14845
14845
0.00
0.00
0.0
0.0
0.0
0.0
13880
13880
14013
14013
0.11
0.11
0.0
0.0
0.0
0.0
13380
13380
13699
13699
0.00
0.00
0.0
0.0
0.0
0.0
15260
15260
15680
15680
0.00
0.00
14.7
14.7
0.0
0.0
14620
14620
14968
14968
0.00
0.00
0.0
0.0
0.0
0.0
14920
14920
15003
15003
0.00
0.00
0.0
0.0
0.0
0.0
18380
18380
18734
18734
0.00
0.00
0.0
0.0
0.0
0.0
14870
14870
15124
15124
0.00
0.00
0.0
0.0
0.0
0.0
10750
10750
11256
11256
0.00
0.00
0.0
0.0
0.0
0.0
10750
10750
11256
11256
0.22
0.22
2.3
2.3
0.0
0.0
14183
14183
14505
14505
lims
O/
G
lims
Cu
lims
Hg
lims
Zn
lims
Ag
lims
Pb
lims
As
29/
42
mg/
l
143/
209
ug/
l
5.64/
8.23
ug/
l
29/
42
mg/
l
5330/
16700
ug/
l
29/
42
mg/
l
525/
766
ug/
l
29/
42
mg/
l
167/
244
ug/
l
5470/
7980
ug/
l
706/
1030
ug/
l
29/
42
mg/
l
163/
238
ug/
l
1.66/
2.42
ug/
l
372/
543
ug/
l
29/
42
mg/
l
93.4/
136
ug/
l
605/
883
ug/
l
29/
42
mg/
l
84/
122
ug/
l
2.31/
3.37
ug/
l
66/
97
ug/
l
517/
754
ug/
l
1990/
2900
ug/
l
15/
20
mg/
l
40/
58
ug/
l
0.591/
0.862
ug/
l
132/
193
ug/
l
851/
1240
ug/
l
lims
TAH
limsTaqH
58900/
86000
ug/
l
88400/
129000
ug/
l
205000/
298000
ug/
l
40600/
59300
ug/
l
61000/
88900
ug/
l
43700/
63700
ug/
l
12200/
24500
ug/
l
18300/
36800
ug/
l
42400/
61800
ug/
l
63500/
92700
ug/
l
3110/
4530
ug/
l
2001
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed
(
See
Equation
B
for
calculation).

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

Unocal
Anna
Platform
12/
1
0.00
0.27
Included
with
TAqH
17
11/
1
0.00
0.00
Included
with
TAqH
20
10/
1
0.01
0.12
Included
with
TAqH
19
9/
1
0.00
0.19
Included
with
TAqH
12
8/
1
0.00
0.32
Included
with
TAqH
21
7/
1
0.00
0.00
Included
with
TAqH
16
6/
1
0.00
0.00
Included
with
TAqH
22
5/
1
0.00
0.00
Included
with
TAqH
21
4/
1
0.00
0.00
Included
with
TAqH
21
3/
1
0.00
0.00
Included
with
TAqH
29
2/
1
0.02
0.00
Included
with
TAqH
11
1/
1
0.00
0.00
Included
with
TAqH
35
Total
TWPE
243.20
0.03
0.90
242
Baker
Platform
12/
1
1
11/
1
1
10/
1
1
9/
1
1
8/
1
1
7/
1
1
6/
1
1
5/
1
0
4/
1
1
3/
1
0
2/
1
1
1/
1
1
Total
TWPE
10
10
Bruce
Platform
12/
1
0.00
0
11/
1
0.00
0
10/
1
0.00
1
9/
1
0.00
0
8/
1
0.00
0
7/
1
0.00
0
6/
1
0.00
0
5/
1
0.00
0
4/
1
0.00
0
3/
1
0.00
0
2/
1
0.00
0
1/
1
0.00
0
Total
TWPE
3.79
0.00
4
Dillon
Platform
12/
1
0.00
1
0.0
Included
with
TAqH
48
11/
1
0.00
2
0.0
Included
with
TAqH
38
10/
1
0.00
1
0.0
Included
with
TAqH
34
9/
1
0.00
1
0.9
Included
with
TAqH
85
8/
1
0.00
2
1.1
Included
with
TAqH
32
7/
1
0.00
1
1.1
Included
with
TAqH
27
6/
1
0.00
1
0.0
Included
with
TAqH
25
5/
1
0.00
1
0.0
Included
with
TAqH
44
4/
1
0.00
2
0.0
Included
with
TAqH
44
3/
1
0.00
1
0.0
Included
with
TAqH
40
2001
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed
(
See
Equation
B
for
calculation).

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

2/
1
0.00
2
0.0
Included
with
TAqH
42
1/
1
0.00
1
0.0
Included
with
TAqH
44
Total
TWPE
520.58
0.00
15
3.1
502
Dolly
Varden
Platform
Granite
Pt.
Platform
Granite
Pt.
Prod.
Fac.
12/
1
0.00
0.04
0.0
0
11/
1
0.00
0.08
0.0
0
10/
1
0.00
0.00
0.0
0
9/
1
no
data
8/
1
0.00
0.00
0.0
0
7/
1
0.00
0.00
0.1
0
6/
1
0.00
0.07
0.0
0
5/
1
0.00
0.00
0.0
0
4/
1
0.00
0.00
0.0
0
3/
1
0.00
0.00
0.0
0
2/
1
0.00
0.44
0.0
0
1/
1
0.00
0.10
0.0
0
Total
TWPE
2.02
0.01
0.74
0.1
1
Grayling
Platform
King
Salmon
Platform
Monopod
Platform
Steelhead
Platform
Trading
Bay
Trtmt.
Fac.

12/
1
0.00
0.0
Included
with
TAqH
940
11/
1
0.00
8.5
Included
with
TAqH
963
10/
1
0.72
20.6
Included
with
TAqH
768
9/
1
0.00
7.2
Included
with
TAqH
736
8/
1
0.00
8.1
Included
with
TAqH
800
7/
1
0.00
0.0
Included
with
TAqH
670
6/
1
0.00
13.7
Included
with
TAqH
721
5/
1
0.00
8.5
Included
with
TAqH
609
4/
1
0.00
0.0
Included
with
TAqH
604
3/
1
0.00
0.0
Included
with
TAqH
820
2/
1
0.00
0.0
Included
with
TAqH
706
1/
1
0.00
0.0
Included
with
TAqH
794
Total
TWPE
9,197.63
0.72
66.6
9130
XTO
Energy
E.
Foreland
Trtmt.
Fac.

12/
1
0.00
0.00
0.00
0.4
0.0
Included
with
TAqH
18
11/
1
0.00
0.00
0.61
0.0
0.0
Included
with
TAqH
19
10/
1
0.00
0.00
0.00
0.0
0.0
Included
with
TAqH
17
9/
1
0.02
0.00
0.02
0.0
0.0
Included
with
TAqH
12
8/
1
0.00
0.32
0.00
0.0
0.0
Included
with
TAqH
16
7/
1
0.00
0.67
0.00
0.4
0.0
Included
with
TAqH
14
6/
1
0.00
0.00
0.00
0.0
0.0
Included
with
TAqH
19
5/
1
0.00
0.60
0.00
0.0
0.0
Included
with
TAqH
23
4/
1
0.00
0.00
0.00
0.0
0.0
Included
with
TAqH
23
3/
1
0.00
0.00
0.00
0.0
0.0
Included
with
TAqH
16
2/
1
0.00
0.00
0.00
0.0
0.0
Included
with
TAqH
16
1/
1
no
data
Total
TWPE
195.49
0.02
1.59
0.63
0.8
0.0
192
Phillips
Petroleum
2001
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed
(
See
Equation
B
for
calculation).

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

Tyonek
A
Platform
12/
1
No
data
11/
1
No
data
10/
1
No
data
9/
1
No
data
8/
1
No
data
7/
1
No
data
6/
1
No
data
5/
1
No
data
4/
1
No
data
3/
1
No
data
2/
1
No
data
1/
1
No
data
Forest
Oil
Osprey
PF
­
NRs
Operator
/
Facility
Pr.
H2O/
dd
fl.
(
mgd)
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Unocal
Anna
Platform
12/
2
0.027314
9.5
13.4
1.9
1.9
0.22
0.22
11/
2
0.035806
9.2
11.0
1.9
1.9
0.34
0.34
10/
2
0.037479
16.4
16.4
2.1
2.1
0.24
0.24
9/
2
0.000000
0.0
0.0
0.0
0.0
0.00
0.00
8/
2
0.035223
10.2
12.7
3.9
3.9
0.79
0.79
7/
2
0.036183
12.8
19.8
2.2
2.2
0.30
0.30
6/
2
0.036387
12.2
15.9
3.5
3.5
0.30
0.30
5/
2
0.034734
13.1
18.0
5.6
5.6
0.00
0.00
4/
2
0.040164
12.7
14.2
2.2
2.2
0.00
0.00
3/
2
0.038562
11.2
16.8
0.0
0.0
0.00
0.00
2/
2
0.038350
11.3
13.5
0.0
0.0
0.35
0.35
1/
2
0.040809
15.3
28.1
0.0
0.0
0.21
0.21
Average
0.033418
11.2
15.0
1.9
1.9
0.23
0.23
Baker
Platform
12/
2
0.043451
11.1
16.7
1600
11/
2
0.045323
12.2
13.8
1390
10/
2
0.047292
11.9
14.9
1760
9/
2
0.046327
17.3
20.9
1780
8/
2
0.046155
13.7
16.8
396
7/
2
0.045041
14.5
19.3
838
6/
2
0.047024
11.5
13.3
1620
5/
2
0.041408
11.6
13.9
1040
4/
2
0.042077
13.2
18.9
1110
3/
2
No
data
2/
2
0.047465
17.4
23.5
1130
1/
2
0.046811
22.3
24.3
2570
Average
0.045307
14.2
17.8
1385
Bruce
Platform
12/
2
0.006792
13.7
17.3
11/
2
0.007731
16.2
19.4
10/
2
0.007599
15.8
24.2
9/
2
0.007963
20.7
27.5
8/
2
0.008376
17.7
22.5
7/
2
0.010420
16.7
21.1
6/
2
0.011517
21.0
33.6
5/
2
0.006727
15.6
16.4
4/
2
0.007773
16.6
18.8
3/
2
0.007556
14.4
18.3
2/
2
0.006699
15.6
19.6
1/
2
0.007765
19.3
27.0
Average
0.008077
16.9
22.1
Dillon
Platform
12/
2
0.082761
11.7
11.7
3.2
3.2
1330
11/
2
0.156545
11.1
12.6
2.8
2.8
4
10/
2
0.167605
9.7
13.5
5.6
5.6
316
9/
2
0.178308
11.5
15.9
4.9
4.9
449
8/
2
0.179783
11.1
21.0
4.7
4.7
583
7/
2
0.191351
11.6
17.0
4.1
4.1
432
6/
2
0.191031
10.9
13.0
4.0
4.0
518
5/
2
0.192090
6.5
9.7
2.0
2.0
454
4/
2
0.180048
15.6
20.4
3.5
3.5
599
3/
2
0.151863
13.0
22.0
0.0
0.0
523
2/
2
0.154571
15.9
22.1
0.0
0.0
723
1/
2
0.146506
20.4
27.3
0.0
0.0
724
Average
0.164372
12.4
17.2
2.9
2.9
555
Dolly
Varden
Platform
0.000000
Granite
Pt.
Platform
0.000000
Granite
Pt.
Prod.
Fac.
12/
2
0.007672
17.0
23.0
12.0
12.0
1.40
1.40
11/
2
0.011646
20.0
27.0
17.0
17.0
1.00
1.00
10/
2
0.038273
13.0
15.0
2.9
2.9
0.20
0.20
9/
2
0.048077
17.0
20.0
5.7
5.7
1.40
1.40
8/
2
0.002055
20.0
25.0
9.4
9.4
0.69
0.69
7/
2
0.013398
15.0
18.0
6.4
6.4
0.41
0.41
6/
2
0.011950
19.0
23.0
7.0
7.0
0.20
0.20
5/
2
0.010642
17.3
24.3
7.0
7.0
0.00
0.00
4/
2
0.014360
15.9
20.1
20.0
20.0
0.80
0.80
3/
2
0.000000
0.0
0.0
0.0
0.0
0.00
0.00
2/
2
0.000000
0.0
0.0
0.0
0.0
0.00
0.00
1/
2
0.006560
19.3
19.6
7.0
7.0
0.26
0.26
Average
0.013719
14.5
17.9
7.9
7.9
0.53
0.53
Grayling
Platform
0.000000
King
Salmon
Platform
0.000000
Monopod
Platform
0.000000
Steelhead
Platform
0.000000
Trading
Bay
Trtmt.
Fac.
12/
2
4.912460
23.1
29.1
5.3
7.3
11/
2
4.672540
23.3
30.7
6.2
7.5
10/
2
4.847040
23.0
27.5
6.9
8.0
9/
2
4.534700
19.5
27.7
7.0
8.3
8/
2
4.835070
25.1
30.9
5.8
6.7
7/
2
5.024040
21.8
27.3
5.9
6.6
6/
2
5.059420
22.6
27.8
6.0
6.8
5/
2
5.233100
30.9
52.1
5.7
7.5
4/
2
5.262940
23.1
29.6
6.8
8.0
3/
2
5.297170
19.9
27.8
0.0
0.0
2/
2
5.187720
23.5
43.5
0.0
0.0
1/
2
5.003390
16.9
19.2
0.0
0.0
Average
4.989133
22.7
31.1
4.6
5.6
XTO
Energy
E.
Foreland
Trtmt.
Fac.
12/
2
0.047000
15.0
23.0
4.0
4.0
0.00
0.00
11/
2
0.067000
13.0
20.0
0.0
0.0
0.00
0.00
10/
2
0.044000
12.0
15.0
7.0
7.0
0.00
0.00
9/
2
0.059000
10.0
14.0
6.0
6.0
0.00
0.00
8/
2
0.068000
12.0
14.0
6.0
6.0
0.00
0.00
7/
2
0.036000
17.0
22.0
9.0
9.0
0.00
0.00
6/
2
0.039000
14.0
25.0
7.2
7.2
0.00
0.00
5/
2
0.044000
17.0
23.0
5.0
5.0
0.00
0.00
4/
2
0.042000
13.0
25.0
5.0
5.0
0.00
0.00
3/
2
0.041000
14.0
23.0
0.0
0.0
0.00
0.00
2/
2
0.049000
17.0
25.0
0.0
0.0
0.00
0.00
1/
2
0.054000
22.0
25.0
0.0
0.0
0.00
0.00
Average
0.049167
14.7
21.2
4.1
4.1
0.00
0.00
Phillips
Petroleum
Tyonek
A
Platform
flow
in
m3/
day
(
Use
Equation
C)
12/
2
13.000000
5.4
12.0
0.0
0.0
0.00
0.00
11/
2
3.200000
4.4
9.0
0.0
0.0
0.00
0.00
10/
2
6.600000
6.1
13.0
8.2
8.2
0.20
0.20
9/
2
20.600000
5.3
9.0
0.0
0.0
0.00
0.00
8/
2
25.900000
6.2
10.0
0.0
0.0
0.00
0.00
7/
2
No
data
6/
2
No
data
5/
2
5.600000
5.4
8.0
0.0
0.0
0.00
0.00
4/
2
6.100000
7.1
12.0
0.0
0.0
0.00
0.00
3/
2
45.000000
5.9
12.0
0.0
0.0
0.00
0.00
2/
2
No
data
1/
2
24.000000
4.3
19.4
2.6
2.6
0.00
0.00
Average
0.004403
5.6
11.6
1.2
1.2
0.02
0.02
Forest
Oil
Osprey
PF
­
No
data
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

23340
23340
23602
23602
23520
23520
23746
23746
20700
20700
20986
20986
0
0
0
0
20920
20920
21547
21547
27550
27550
27798
27798
24210
24210
24698
24698
19620
19620
19929
19929
15040
15040
15210
15210
22320
22320
22530
22530
26030
26030
26343
26343
17010
17010
17438
17438
20022
20022
20319
20319
1600
1390
1760
1780
396
838
1620
1040
1110
1130
2570
1385
0.5
0.5
22090
22090
0.5
0.5
29970
29970
0.5
0.5
26600
26600
0.5
0.5
114
114
0.3
0.3
17900
17900
4.6
4.6
28150
28150
0.0
0.0
22890
22890
1.3
1.3
21980
21980
0.0
0.0
28050
28050
0.0
0.0
28320
28320
0.0
0.0
35620
35620
0.0
0.0
33250
33250
0.7
0.7
24578
24578
1330
0.7
0.7
11580
11580
11943
11943
4
10.0
10.0
11870
11870
12249
12249
316
3.0
3.0
12840
12840
13224
13224
449
3.0
3.0
10420
10420
10694
10694
583
2.0
2.0
9470
9470
9722
9722
432
0.4
0.4
11660
11660
11978
11978
518
0.0
0.0
13130
13130
13399
13399
454
0.0
0.0
12900
12900
13219
13219
599
0.0
0.0
12890
12890
13103
13103
523
0.0
0.0
13420
13420
14127
14127
723
0.0
0.0
12800
12800
13687
13687
724
0.0
0.0
12160
12160
12507
12507
555
1.6
1.6
12095
12095
12488
12488
0.7
0.7
14920
14920
3.0
3.0
11940
11940
14.0
14.0
9520
9520
5.6
5.6
11330
11330
1.5
1.5
11110
11110
0.4
0.4
11660
11660
0.0
0.0
11350
11350
0.0
0.0
14160
14160
0.0
0.0
6590
6590
0.0
0.0
0
0
0.0
0.0
0
0
0.0
0.0
8820
8820
2.1
2.1
9283
9283
0.7
0.7
8435
8940
9264
9831
1.8
4.3
6738
8797
7579
9955
5.3
6.6
7507
8260
8158
8852
3.1
3.4
3765
6600
4181
7177
1.7
3.0
8823
14700
9750
15755
0.4
0.4
6642
7650
7363
8063
0.0
0.0
8033
9820
8658
10327
0.2
1.0
7664
8910
8341
9593
0.0
0.0
8765
9630
9228
10057
0.0
0.0
7900
9220
8424
9758
0.0
0.0
8315
9520
9079
10221
0.0
0.0
7683
9790
8093
10264
1.1
1.6
7523
9320
8177
9988
0.0
0.0
0.0
0.0
116.0
116.0
13710
13710
14217
14217
0.0
0.0
0.0
0.0
0.0
0.0
12070
12070
12547
12547
0.0
0.0
6.0
6.0
129.0
129.0
15250
15250
15773
15773
38.0
38.0
2.0
2.0
105.0
105.0
10910
10910
11271
11271
7.0
7.0
3.0
3.0
92.0
92.0
9120
9120
9657
9657
0.0
0.0
0.0
0.0
123.0
123.0
13510
13510
14001
14001
3.7
3.7
0.0
0.0
118.0
118.0
13330
13330
13812
13812
0.0
0.0
0.0
0.0
155.0
155.0
13410
13410
13954
13954
4.0
4.0
0.0
0.0
111.0
111.0
13740
13740
14341
14341
0.0
0.0
0.0
0.0
3.8
3.8
13920
13920
14341
14341
0.0
0.0
0.0
0.0
0.0
0.0
8560
8560
8826
8826
0.0
0.0
0.0
0.0
0.0
0.0
11650
11650
11888
11888
4.4
4.4
0.9
0.9
79.4
79.4
12432
12432
12886
12886
0.0
0.0
7.3
7.3
21
21
0.0
0.0
11.0
11.0
26
26
7.5
7.5
8.0
8.0
35
35
0.0
0.0
0.0
0.0
13
13
0.0
0.0
0.0
0.0
18
18
0.0
0.0
21.0
21.0
69
69
0.0
0.0
22.0
22.0
50
50
0.0
0.0
19.0
19.0
45
45
1.0
1.0
15.1
15.1
55
55
0.9
0.9
11.5
11.5
37
37
lims
O/
G
lims
Cu
lims
Hg
lims
Zn
lims
Ag
lims
Pb
lims
As
29/
42
mg/
l
143/
209
ug/
l
5.64/
8.23
ug/
l
29/
42
mg/
l
5330/
16700
ug/
l
29/
42
mg/
l
525/
766
ug/
l
29/
42
mg/
l
167/
244
ug/
l
5470/
7980
ug/
l
706/
1030
ug/
l
29/
42
mg/
l
163/
238
ug/
l
1.66/
2.42
ug/
l
372/
543
ug/
l
29/
42
mg/
l
93.4/
136
ug/
l
605/
883
ug/
l
29/
42
mg/
l
84/
122
ug/
l
2.31/
3.37
ug/
l
66/
97
ug/
l
517/
754
ug/
l
1990/
2900
ug/
l
15/
20
mg/
l
40/
58
ug/
l
0.591/
0.862
ug/
l
132/
193
ug/
l
851/
1240
ug/
l
lims
TAH
limsTaqH
58900/
86000
ug/
l
88400/
129000
ug/
l
205000/
298000
ug/
l
40600/
59300
ug/
l
61000/
88900
ug/
l
43700/
63700
ug/
l
12200/
24500
ug/
l
18300/
36800
ug/
l
42400/
61800
ug/
l
63500/
92700
ug/
l
3110/
4530
ug/
l
2002
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed.

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

Unocal
Anna
Platform
12/
2
0.0
0.18
Included
with
TAqH
12
11/
2
0.0
0.36
Included
with
TAqH
16
10/
2
0.0
0.26
Included
with
TAqH
15
9/
2
0.0
0.00
Included
with
TAqH
0
8/
2
0.0
0.82
Included
with
TAqH
15
7/
2
0.0
0.32
Included
with
TAqH
19
6/
2
0.0
0.32
Included
with
TAqH
17
5/
2
0.0
0.00
Included
with
TAqH
13
4/
2
0.0
0.00
Included
with
TAqH
12
3/
2
0.0
0.00
Included
with
TAqH
17
2/
2
0.0
0.39
Included
with
TAqH
19
1/
2
0.0
0.25
Included
with
TAqH
14
Total
TWPE
172.73
0.1
2.89
170
Baker
Platform
12/
2
1
11/
2
1
10/
2
1
9/
2
1
8/
2
0
7/
2
0
6/
2
1
5/
2
1
4/
2
1
3/
2
no
data
2/
2
1
1/
2
1
Total
TWPE
8.123012
8
Bruce
Platform
12/
2
0.0
0
11/
2
0.0
0
10/
2
0.0
0
9/
2
0.0
0
8/
2
0.0
0
7/
2
0.2
0
6/
2
0.0
0
5/
2
0.0
0
4/
2
0.0
0
3/
2
0.0
0
2/
2
0.0
0
1/
2
0.0
0
Total
TWPE
3.36
0.3
3
Dillon
Platform
12/
2
0.0
1
0.0
Included
with
TAqH
19
11/
2
0.1
0
0.9
Included
with
TAqH
37
10/
2
0.1
1
0.3
Included
with
TAqH
43
2002
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed.

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

9/
2
0.1
1
0.3
Included
with
TAqH
37
8/
2
0.1
1
0.2
Included
with
TAqH
34
7/
2
0.1
1
0.0
Included
with
TAqH
44
6/
2
0.1
1
0.0
Included
with
TAqH
49
5/
2
0.1
1
0.0
Included
with
TAqH
49
4/
2
0.1
1
0.0
Included
with
TAqH
45
3/
2
0.0
1
0.0
Included
with
TAqH
41
2/
2
0.0
1
0.0
Included
with
TAqH
41
1/
2
0.0
1
0.0
Included
with
TAqH
35
Total
TWPE
487.35
0.9
12
1.7
473
Dolly
Varden
Platform
Granite
Pt.
Platform
Granite
Pt.
Prod.
Fac.
12/
2
0.0
0.31
0.0
0
11/
2
0.0
0.34
0.0
0
10/
2
0.0
0.22
0.3
0
9/
2
0.0
1.97
0.2
1
8/
2
0.0
0.04
0.0
0
7/
2
0.0
0.16
0.0
0
6/
2
0.0
0.07
0.0
0
5/
2
0.0
0.00
0.0
0
4/
2
0.0
0.34
0.0
0
3/
2
0.0
0.00
0.0
0
2/
2
0.0
0.00
0.0
0
1/
2
0.0
0.05
0.0
0
Total
TWPE
6.49
0.2
3.51
0.5
2
Grayling
Platform
King
Salmon
Platform
Monopod
Platform
Steelhead
Platform
Trading
Bay
Trtmt.
Fac.

12/
2
4.1
1.9
Included
with
TAqH
874
11/
2
4.5
4.7
Included
with
TAqH
680
10/
2
5.2
14.4
Included
with
TAqH
759
9/
2
5.0
7.9
Included
with
TAqH
364
8/
2
4.4
4.6
Included
with
TAqH
905
7/
2
4.7
1.1
Included
with
TAqH
710
6/
2
4.8
0.0
Included
with
TAqH
841
5/
2
4.7
0.6
Included
with
TAqH
838
4/
2
5.6
0.0
Included
with
TAqH
932
3/
2
0.0
0.0
Included
with
TAqH
857
2/
2
0.0
0.0
Included
with
TAqH
904
1/
2
0.0
0.0
Included
with
TAqH
777
Total
TWPE
9,520.84
43.0
35.3
9443
XTO
Energy
E.
Foreland
Trtmt.
Fac.

12/
2
0.0
0.00
0.0
0.0
4.7
Included
with
TAqH
13
2002
Toxic
Weighted
Pound
Equivalents
When
a
pollutant
was
reported
as
both
an
average
and
a
maximum,
only
the
average
value
was
used
to
estimate
TWPE
to
avoid
double
counting
and
overestimation.

30
days
per
month
were
assumed.

When
Total
Aqueous
Hydrocarbons
(
TAqH)
and
Total
Aromatic
Hydrocarbons
(
TAH)
were
reported
at
one
facility,
the
TAH
discharge
was
excluded
to
avoid
double
counting.

Operator
/
Facility
Total
TWPE
O/
G
(
av)
O/
G
(
max)
Cu
(
av)
Cu
(
max)
Hg
(
av)
Hg
(
max)
Zn
(
av)
Zn
(
max)
Ag
(
av)
Ag
(
max)
Pb
(
av)
Pb
(
max)
As
(
av)
As
(
max)
TAH
(
av)
TAH
(
max)
TAqH
(
av)
TAqH
(
max)

11/
2
0.0
0.00
0.0
0.0
0.0
Included
with
TAqH
16
10/
2
0.0
0.00
0.0
0.1
4.9
Included
with
TAqH
13
9/
2
0.1
0.00
9.2
0.1
5.4
Included
with
TAqH
13
8/
2
0.1
0.00
2.0
0.1
5.4
Included
with
TAqH
13
7/
2
0.1
0.00
0.0
0.0
3.8
Included
with
TAqH
10
6/
2
0.0
0.00
0.6
0.0
4.0
Included
with
TAqH
10
5/
2
0.0
0.00
0.0
0.0
5.9
Included
with
TAqH
12
4/
2
0.0
0.00
0.7
0.0
4.0
Included
with
TAqH
12
3/
2
0.0
0.00
0.0
0.0
0.1
Included
with
TAqH
11
2/
2
0.0
0.00
0.0
0.0
0.0
Included
with
TAqH
8
1/
2
0.0
0.00
0.0
0.0
0.0
Included
with
TAqH
12
Total
TWPE
194.57
0.4
0.00
12.5
0.3
38.4
143
Phillips
Petroleum
Tyonek
A
Platform
12/
2
0.0
0.00
0.0
0.0
0
11/
2
0.0
0.00
0.0
0.0
0
10/
2
0.0
0.01
0.0
0.0
0
9/
2
0.0
0.00
0.0
0.0
0
8/
2
0.0
0.00
0.0
0.0
0
7/
2
no
data
6/
2
no
data
5/
2
0.0
0.00
0.0
0.0
0
4/
2
0.0
0.00
0.0
0.0
0
3/
2
0.0
0.00
0.0
0.2
0
2/
2
no
data
1/
2
0.0
0.00
0.0
0.1
0
Total
TWPE
0.41
0.0
0.0
0.0
0.4
0.0
Forest
Oil
Osprey
PF
­
No
data
Total
Drill
Cuttings
(
bbl)
Total
Drilling
Mud
(
bbl)
Platform
A­
XTO
Energy
12/
1
0
0
11/
1
0
0
10/
1
0
0
9/
1
201
1262
1463
8/
1
0
0
7/
1
0
0
6/
1
0
0
5/
1
0
0
4/
1
0
0
3/
1
0
0
2/
1
0
0
Platform
C­
XTO
Energy
12/
1
0
0
11/
1
0
0
10/
1
0
0
9/
1
0
0
8/
1
0
0
7/
1
0
0
6/
1
0
0
5/
1
0
0
4/
1
0
0
3/
1
0
0
2/
1
0
0
Steelhead
10/
1
1050
5962
7012
9/
1
882
2762
3644
8/
1
202
333
535
Monopod
12/
1
1190
1606
2796
15450
2001
Toxic
Weighted
Pound
Equivalents
of
Drilling
Wastes
Total
Drill
Cuttings
Total
Drilling
Mud
Platform
A­
XTO
Energy
Total
TWPE
12/
1
0
0
11/
1
0
0
10/
1
0
0
9/
1
39.82256294
250.0302211
8/
1
0
0
7/
1
0
0
6/
1
0
0
5/
1
0
0
4/
1
0
0
3/
1
0
0
2/
1
0
0
Total
TWPE
39.82
250.03
289.85
Platform
C­
XTO
Energy
12/
1
0
0
11/
1
0
0
10/
1
0
0
9/
1
0
0
8/
1
0
0
7/
1
0
0
6/
1
0
0
5/
1
0
0
4/
1
0
0
3/
1
0
0
2/
1
0
0
Total
TWPE
0
0
0
Steelhead
10/
1
208.0283139
1181.204578
9/
1
174.7437837
547.2135266
8/
1
40.02068515
65.97469383
Total
TWPE
422.79
1794.39
2217.19
Monopod
235.7654224
318.1842591
Total
TWPE
235.77
318.18
553.95
TWPE
=
Drill
Cuttings
or
Drilling
Mud
(
bbl)
X
TWF
Total
Drill
Cuttings
(
bbl)
Total
Drilling
Mud
(
bbl)
Platform
A­
XTO
Energy
12/
2
0
0
11/
2
0
0
10/
2
0
0
9/
2
0
0
8/
2
0
0
7/
2
0
0
6/
2
0
0
5/
2
0
0
4/
2
No
data
No
data
3/
2
0
0
2/
2
0
0
1/
2
0
0
Platform
C­
XTO
Energy
12/
2
25
198
223
11/
2
359
3679
4038
10/
2
269
597
866
9/
2
0
0
8/
2
0
0
7/
2
0
0
6/
2
0
0
5/
2
0
0
4/
2
2
1077
1079
3/
2
491
2163
2654
2/
2
0
0
1/
2
0
0
Osprey
12/
2
No
data
11/
2
No
data
10/
2
No
data
9/
2
No
data
8/
2
No
data
7/
2
No
data
6/
2
0
5/
2
0
(
tot.
001)
4/
2/
2003
1093
1093
3/
2
0
2/
2
0
1/
2
0
Monopod
2/
2
0
0
1/
2
129
1878
2007
11960
2002
Toxic
Weighted
Pound
Equivalents
for
Drilling
Wastes
Total
Drill
Cuttings
(
bbl)
Total
Drilling
Mud
(
bbl)
Platform
A­
XTO
Energy
Total
TWPE
12/
2
0
0
11/
2
0
0
10/
2
0
0
9/
2
0
0
8/
2
0
0
7/
2
0
0
6/
2
0
0
5/
2
0
0
4/
2
no
data
no
data
3/
2
0
0
2/
2
0
0
1/
2
0
0
Total
TWPE
0
0
0
Platform
C­
XTO
Energy
12/
2
4.953055092
39.22819633
11/
2
71.12587113
728.8915874
10/
2
53.29487279
118.2789556
9/
2
0
0
8/
2
0
0
7/
2
0
0
6/
2
0
0
5/
2
0
0
4/
2
0.396244407
213.3776134
3/
2
97.27800202
428.5383266
2/
2
0
0
1/
2
0
0
Total
TWPE
227.05
1,528.31
1,755.36
Osprey
12/
2
No
data
11/
2
No
data
0
10/
2
No
data
0
9/
2
No
data
0
8/
2
No
data
0
7/
2
No
data
0
6/
2
0
0
5/
2
0
0
4/
2
216.5475686
0
3/
2
0
0
2/
2
0
0
1/
2
0
0
Total
TWPE
216.55
0
216.55
Monopod
2/
2
0
0
1/
2
25.55776428
372.0734985
Total
TWPE
25.56
372.07
397.63