20190752 Ver 4_Chemours flow-through cells wetland photos - Revised Seep A with data sheets_20200813

Waters of the U.S. Technical Report
The Chemours Company
Flow -through Cells - Revised Seep A
June 24, 2020
Wetland Data Sheets and Photographs

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Intermittent Stream • Data Sheet Point Fayetteville Works
0 250 500 Bladen County, North Carolina
Perennial Stream ® Wetland/Seep moommorzzz= Feet
Chemours - Flow -through Cells Revised Seep A

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A Wetland 1 City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: Seep 1 -Wetland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): hillslope seep Local relief (concave, convex, none): concave Slope (%): 3%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.845301 Long:-78.825937 Datum: NAD 1983
Soil Map Unit Name: Cn - Congaree silt loam, frequently flooded NWI classification: PEM
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes X No
Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
This wetland data point is in an herbaceous seep wetland fringe parallel to the Seep A stream. It receives groundwater seepage in the bank of the stream and
overflow flooding during stormwater events.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
X High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
X Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
X Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes X No—
Depth (inches): surface
Saturation present? Yes X No
Depth (inches): surface
Wetland Hydrology Present? Yes X No
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This drainage basin in the Cape Fear River floodplain receives fairly frequent overflow flooding from the Cape Fear River. Iron deposits on the soil surface are
indicative of groundwater seeping from the adjacent uplands.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: Seep 1 - Wetland
Tree Stratum (Plot Size: )
1 Acer rubrum
2 Taxodium distichum
3
4
5
6
7
8
50% of total cover: 35
Sapliing/Shrub Stratum (Plot Size: )
1 Acernegundo
2
3
4
5
6
7
8
50% of total cover: 5
Herb Stratum (Plot Size: )
1 Saururus cernuus
2 Carex grayi
3 Chasmanthium latifolium
4
5
6
7
8
9
10
11
12
50% of total cover: 22.5
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
40
Y
FAC
That Are OBL, FACW, or FAC:
30
Y
OBL
Total Number of Dominant
Species Across all Strata:
Percent of Dominant Species that
are OBL, FACW, or FAC:
70 = Total Cover
20% of total cover: 14
10 Y FAC
5 (A)
5 (B)
100.00% (A/B)
Prevalence Index worksheet
Total % Cover of:
Multiply by:
OBL species
60
x 1 =
60
FACW species
10
x 2 =
20
FAC species
55
x 3 =
165
FACU species
0
x 4 =
0
UPL species
0
x 5 =
0
Column totals
125
(A)
245 (B)
Prevalence Index = B/A = 1.96
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
X 3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
10 = Total Cover
20% of total cover: 2
30 Y OBL
10 Y FACW
5 N FAC
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height.
45 = Total Cover
20% of total cover: 9
0 = Total Cover
50% of total cover: 0 20% of total cover: 0
Remarks: (If observed, list morphological adaptations below).
The trees and shrubs were recently cleared nearby, but not at the data point.
Hydrophytic
vegetation
present? Yes X No
US Army Corps of Engineers
Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: Seep 1 - Wetland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-4 10YR 6.0 / 2 60 2.5Y 5 / 1 40 sandy loam
4-12 2.5Y 5 / 1 80 7.5YR 6 / 8 20 sandy loam
12-18 2.5Y 6 / 1 60 7.5YR 6 / 8 40 sandy loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
X Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
There are iron deposits on the soil surface.
Soils were saturated to the surface.
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

WETLAND FUNCTIONS & VALUES FORM
Wetland I.D.: Seep A Wetland 1 Project/Site: Chemours - Flow -through Cells
Function/Value Score Comments
Floodwater Alteration/Retention -
Considers the effectiveness (wetland size, water
capacity in wetland, location in watershed,
wetland juxtaposition, etc.) of the wetland in
reducing flood damage and the flow of
floodwaters by attenuation of floodwaters for
prolonged periods following precipitation events.
2
The small size of this fringe wetland limits the function.
Sediment, Nutrient, & Toxicant Removal -
Considers the effectiveness (wetland
configuration, vegetative cover, wetland size, etc.)
of the wetland in reducing or preventing
degradation of water quality by trapping
The small size of this wetland limits the filtering of
sediments, excess nutrients, and toxicants.
2
contaminants.
Erosion Control and Stabilization -
Considers the effectiveness (vegetative cover,
size, substrate, etc.) of the wetland in reducing
erosion of stream channels or stream banks down
gradient of the wetland, along shorelines if
associated with a lake or tidally influenced water
The wetland vegetation help to stabilize the banks at this
body, or within the wetland itself.
3
location.
Wildlife Habitat (Terrestrial) -
Considers the effectiveness (wetland's size,
connectivity with other habitats, wetland
juxtaposition, human -caused disturbance, etc.) of
the wetland to provide habitat for various types
and populations of terrestrial animals.
1
The small size limit the value to terrestrial wildlife.
Wildlife Habitat (Aquatic) -
Considers the effectiveness (wetland's size,
substrate, water quality, wetland juxtaposition,
human -caused disturbance, pollution, etc.) of the
wetland to provide habitat for various types and
There is very limited aquatic habitat in this small fringe
populations of aquatic animals.
1
wetland.
Visual Quality/Aesthetics -
Considers the visual and aesthetic qualities of the
The unique type of wetland benefits the aesthetics of the
wetland.
3
area, however the small size limits this value.
Score
0
Total Score 12
Potential to Provide Desirable Wetland Functions and Values
None
Poor
Low
Moderate
High
Very High

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A Wetland 1 City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: Seep 1 -upland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): stream terrace Local relief (concave, convex, none): convex Slope (%): 6%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.845485 Long:-78.826032 Datum: NAD 1983
Soil Map Unit Name: Ch - Chewada and Chastain soils, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes No
Wetland? Yes No
Wetland Hydrology Present? Yes No
Remarks:
This upland data point is on a well drained high stream terrace above and parallel to an herbaceous seep wetland. It receives infrequent overflow flooding from
the Cape Fear River but appears to drain quickly, and the soils are not hydric.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes No
X Depth (inches):
Saturation present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This drainage basinhigh stream terrace in the Cape Fear River floodplain receives infrequent overflow flooding from the Cape Fear River.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: Seep 1 - Upland
Tree Stratum (Plot Size: )
1 Acer rubrum
2 Fraxinus pennsylvanica
3
4
5
6
7
8
50% of total cover: 30
Sapliing/Shrub Stratum (Plot Size: )
1 Acernegundo
2
3
4
5
6
7
8
50% of total cover: 5
Herb Stratum (Plot Size: )
1 Chasmanthium latifolium
2 Carex grayi
3
4
5
6
7
8
9
10
11
12
50% of total cover: 35
Woody Vine Stratum (Plot Size: )
1 Smilax rotundifolia
2
3
4
5
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
40
Y
FAC
That Are OBL, FACW, or FAC:
20
Y
FACW
Total Number of Dominant
Species Across all Strata:
Percent of Dominant Species that
are OBL, FACW, or FAC:
60 = Total Cover
20% of total cover: 12
10 Y FAC
6 (A)
6 (B)
100.00% (A/B)
Prevalence Index worksheet
Total % Cover of:
Multiply by:
OBL species
0
x 1 =
0
FACW species
50
x 2 =
100
FAC species
92
x 3 =
276
FACU species
0
x 4 =
0
UPL species
0
x 5 =
0
Column totals
142
(A)
376 (B)
Prevalence Index = B/A = 2.65
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
X 3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
10 = Total Cover
20% of total cover: 2
40 Y FAC
30 Y FACW
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height.
70 = Total Cover
20% of total cover: 14
2 Y FAC
2 = Total Cover
50% of total cover: 1 20% of total cover: 0.4
Remarks: (If observed, list morphological adaptations below).
The trees and shrubs were recently cleared nearby, but not at the data point.
Hydrophytic
vegetation
present? Yes X No
US Army Corps of Engineers
Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: Seep 1 - Upland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-3 10YR 6.0 / 2 100 silt loam
3-12 10YR 5 / 4 100 sandy loam
12-18 10YR 5 / 4 60 7.5YR 6 / 8 40 sandy loam
'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
_ Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes No X
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

Seep A stream showing the fringe wetland vegetation that is present because of
groundwater/seep water from the stream banks, facing upstream (northwest). Notice that
the stream forks just west of the weir.
Seep A stream that branches to the northwest and the fringe seep wetland that parallels the
stream, facing northwest. Notice the bald cypress knees that extend upslope in the seep.
Chemours - Flow -through Cells Revised Seep A

Seep A stream that branches to the west and terminates in a seep wetland.
Upland point at Seep A North, facing south. This well -drained upland point is at the top of
bank between the Seep A north crossing wetland and the Seep A fringe wetland.
Chemours - Flow -through Cells Revised Seep A

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A Wetland 2 City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: Seep 2 - Wetland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): hillslope seep Local relief (concave, convex, none): concave Slope (%): 4%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.844850 Long:-78.825796 Datum: NAD 1983
Soil Map Unit Name: Cn - Congaree silt loam, frequently flooded NWI classification: PEM
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes X No
Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
This wetland data point is in an bottomland hardwood seep wetland fringe parallel to the south Seep A stream. It receives groundwater seepage in the bank of
the stream, overflow flooding during stormwater events, and backwater flooding from the Cape Fear River.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
X Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
X Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
X Sediment Deposits (132)
Presence of Reduced Iron (C4)
X Crayfish Burrows (C8)
X Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes
No X Depth (inches):
Water table present? Yes
No X Depth (inches):
Saturation present? Yes X
No Depth (inches): 4 inches
Wetland Hydrology Present? Yes X No
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This drainage basin in the Cape Fear River floodplain
receives fairly frequent overflow flooding from the Cape Fear River, and there were recent sediment
deposits on the vegetation. Iron deposits on the soil surface are indicative of groundwater seeping from the adjacent uplands.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: Seep 2 - Wetland
Tree Stratum (Plot Size: )
1 Taxodium distichum
Absolute Dominant
% Cover Species?
75 Y
Indicator
Status
OBL
Dominance Testworksheet:
Number of Dominant Species
That Are OBL, FACW, or FAC: (A)
Total Number of Dominant
Species Across all Strata: (B)
Percent of Dominant Species that
are OBL, FACW, or FAC: (A/B)
2
3
4
5
6
7
Prevalence Index worksheet
Total % Cover of: Multiply by:
OBL species x 1 =
FACW species x 2 =
FAC species x 3 =
FACU species x 4 =
UPL species x 5 =
Column totals (A) (B)
Prevalence Index = B/A =
8
75 = Total Cover
50% of total cover: 37.5 20% of total cover: 15
Sapliing/Shrub Stratum (Plot Size: )
1
2
3
4
5
6
Hydrophytic Vegetation Indicators:
X 1 -Rapid Test for Hydrophytic Vegetation
2 - Dominance Test is >50%
3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
7
8
0 = Total Cover
50% of total cover: 0 20% of total cover: 0
Herb Stratum (Plot Size: )
1 Saururus cernuus 45 Y OBL
2
3
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height.
4
5
6
7
8
9
10
11
12
50% of total cover: 22.5
Woody Vine Stratum (Plot Size: )
1
45 = Total Cover
20% of total cover:
9
2
3
4
5
0 = Total Cover
Hydrophytic
vegetation
50% of total cover: 0 20% of total cover: 0 I present?
Remarks: (If observed, list morphological adaptations below).
The large, dominant cypress trees in the area indicate that this area has been wet for a long time.
Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: Seep 2 - Wetland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-8 10YR 6.0 / 2 60 2.5Y 5 / 1 40 sandy loam
8-14 2.5Y 5 / 1 80 7.5YR 6 / 8 20 sandy loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
X Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: roots
Depth (inches): 14 inches
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Remarks:
There are iron deposits on the soil surface.
Soils were saturated tat approximately 4 inches below the surface.
Hydric soil present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

WETLAND FUNCTIONS & VALUES FORM
Wetland I.D.: Seep A Wetland 2 Project/Site: Chemours - Flow -through Cells
Function/Value Score Comments
Floodwater Alteration/Retention -
Considers the effectiveness (wetland size, water
capacity in wetland, location in watershed,
wetland juxtaposition, etc.) of the wetland in
reducing flood damage and the flow of
floodwaters by attenuation of floodwaters for
prolonged periods following precipitation events.
2
The small size of this fringe wetland limits the function.
Sediment, Nutrient, & Toxicant Removal -
Considers the effectiveness (wetland
configuration, vegetative cover, wetland size, etc.)
of the wetland in reducing or preventing
degradation of water quality by trapping
The small size of this wetland limits the filtering of
sediments, excess nutrients, and toxicants.
2
contaminants.
Erosion Control and Stabilization -
Considers the effectiveness (vegetative cover,
size, substrate, etc.) of the wetland in reducing
erosion of stream channels or stream banks down
gradient of the wetland, along shorelines if
associated with a lake or tidally influenced water
The wetland vegetation help to stabilize the banks at this
body, or within the wetland itself.
3
location.
Wildlife Habitat (Terrestrial) -
Considers the effectiveness (wetland's size,
connectivity with other habitats, wetland
juxtaposition, human -caused disturbance, etc.) of
the wetland to provide habitat for various types
and populations of terrestrial animals.
1
The small size limit the value to terrestrial wildlife.
Wildlife Habitat (Aquatic) -
Considers the effectiveness (wetland's size,
substrate, water quality, wetland juxtaposition,
human -caused disturbance, pollution, etc.) of the
wetland to provide habitat for various types and
There is very limited aquatic habitat in this small fringe
populations of aquatic animals.
1
wetland.
Visual Quality/Aesthetics -
Considers the visual and aesthetic qualities of the
The unique type of wetland benefits the aesthetics of the
wetland.
3
area, however the small size limits this value.
Score
0
Total Score 12
Potential to Provide Desirable Wetland Functions and Values
None
Poor
Low
Moderate
High
Very High

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A Wetland 2 City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: Seep 2 - Upland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): stream terrace Local relief (concave, convex, none): convex Slope (%): 2%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.844836 Long:-78.825612 Datum: NAD 1983
Soil Map Unit Name: Cn - Congaree silt loam, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes No X
Wetland? Yes No X
Wetland Hydrology Present? Yes No X
Remarks:
This upland data point is on a high stream terrace that is a bottomland hardwood habitat. It receives infrequent overflow flooding from the Cape Fear River, but
the area appears to drain rapidly and the soils were not hydric.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes No
X Depth (inches):
Saturation present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This high stream terrace in the Cape Fear River floodplain
receives infrequent overflow flooding from the
Cape Fear River, and groundwater does not appear to
influence this area.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: Seep 2 - Upland
Tree Stratum (Plot Size: )
1 Acer rubrum
2 Quercus pagoda
3 Acernegundo
4
5
6
7
8
50% of total cover: 45
Sapliing/Shrub Stratum (Plot Size: )
1 Aesculus pavia
2 Ulmus alata
3
4
5
6
7
8
50% of total cover: 22.5
Herb Stratum (Plot Size: )
1 Chasmanthium latifolium
2 Smilax glauca
3
4
5
6
7
8
9
10
11
12
50% of total cover: 15
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
50% of total cover: 0
Remarks: (If observed, list morphological adaptations below).
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
40
Y
FAC
That Are OBL, FACW, or FAC: 5
Total Number of Dominant
(A)
30 Y FACW
20
Y
FAC
Species Across all Strata: 6
Percent of Dominant Species that
(B)
are OBL, FACW, or FAC: 83.33%
(A/B)
Prevalence Index worksheet
Total % Cover of:
Multiply by:
90 = Total Cover
20% of total cover: 18
40 Y FACU
OBL species 0
FACW species 30
FAC species 90
FACU species 45
UPL species 0
Column totals 165
x 1 =
x 2 =
x 3 =
x 4 =
x 5=
(A)
0
60
270
180
0
510 (B)
5 N FACU
45 = Total Cover
20% of total cover: 9
20 Y FAC
10 Y FAC
30 = Total Cover
20% of total cover: 6
0 = Total Cover
20% of total cover: 0
Prevalence Index = B/A = 3.09
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
_3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height
Hydrophytic
vegetation
present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: Seep 2 - Upland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-8 10YR 5.0 / 4 90 7.5YR 6 / 8 10 silt loam
8-14 7.5YR 5 / 6 80 7.5YR 6 / 8 20 silt loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
_ Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: NA
Depth (inches):
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 150B)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes No X
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

Seep A south stream and wetland at the south end of Seep A, facing upstream (southwest).
Seep A fringe seep wetland just upstream (west) of the Seep A south stream, facing upstream
(southwest).
Chemours - Flow -through Cells Revised Seep A

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A Crossing Wetland City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: N Crosing - Wet
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): floodplain swale Local relief (concave, convex, none): concave Slope (%): 1%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.845735 Long:-78.826259 Datum: NAD 1983
Soil Map Unit Name: Ch - Chewada and Chastain soils, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes X No
Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
This wetland data point is in a Cape Fear River floodplain swale that has a small ephemeral channel that bisects it (the ephemeral channel may be an old
drainage ditch). Vegetation (trees and shrubs) was recently cleared, but the wetland data point was in the remaining forested area. It appears that the area
remains saturated for long durations during the growing season with stormwater runoff, groundwater seepage, and infrequent overflow flooding from the Cape
Fear River.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
X Drainage Patterns (B10)
X Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1) X Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
X Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes No
X Depth (inches):
Saturation present? Yes X No
Depth (inches): 4 inches
Wetland Hydrology Present? Yes X No
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
The swale appears to remain saturated for long durations during the growing season. The floodplain swale
receives runoff from adjacent uplands during
stormwater events, and the swale in the Cape Fear River
floodplain receives infrequent overflow flooding
from the Cape Fear River. Groundwater is a primary
contributor to the hydrology of the wetland in this area.
There is an excavated channel through the wetland swale that helps drain the area, however sufficient
wetland hydrology remains.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: N Crosing - Wet
Tree Stratum (Plot Size:
1 Liquidambarstyraciflua
Absolute
) % Cover
45
Dominant
Species?
Y
2 Acer rubrum
30
Y
3 Pinus taeda
25
Y
4
5
6
7
8
50% of total cover: 50
Sapliing/Shrub Stratum (Plot Size: )
1
2
3
4
5
6
7
8
50% of total cover: 0
Herb Stratum (Plot Size: )
1 Carex grayi
2 Microstegium vimineum
3
4
5
6
7
8
9
10
11
12
50% of total cover: 32.5
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
Indicator
Status
Dominance Testworksheet:
Number of Dominant Species
That Are OBL, FACW, or FAC:
Total Number of Dominant
Species Across all Strata:
Percent of Dominant Species that
are OBL, FACW, or FAC:
5 (A)
5 (B)
100.00% (A/B)
FAC
FAC
FAC
100 = Total Cover
20% of total cover: 20
0 = Total Cover
20% of total cover: 0
35 Y FACW
30 Y FAC
65 = Total Cover
20% of total cover: 13
2 N
Prevalence Index worksheet
Total % Cover of:
Multiply by:
OBL species
0
x 1 =
0
FACW species
35
x 2 =
70
FAC species
130
x 3 =
390
FACU species
0
x 4 =
0
UPL species
0
x 5 =
0
Column totals
165
(A)
460 (B)
Prevalence Index = B/A = 2.79
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
X 3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height
Hydrophytic
2 =Total Cover vegetation
50% of total cover: 1 20% of total cover: 0.4 1 present? Yes X No
Remarks: (If observed, list morphological adaptations below).
The trees and shrubs were recently cleared adjacent to this data point, however the wetland point is in a forested area. The smaller size of these
trees along with them all being light mast producing species (i.e. early invading pecies) probably indicates that this area had been cleared within the
last 30 years. The ephemeral channel that drains the area may have been dug to assist with drainage.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: N Crosing - Wet
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-3 10YR 5.0 / 1 95 10YR 6 / 3 5 sandy loam
3-12 10YR 6 / 2 80 10YR 6 / 8 20 silty clay loam
12-18 2.5Y 7 / 2 70 7.5YR 6 / 8 30 silty clay loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
X Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

WETLAND FUNCTIONS & VALUES FORM
Wetland I.D.: Seep A North Crossing Wetland Project/Site: Chemours - Flow -through Cells
Function/Value Score Comments
Floodwater Alteration/Retention -
Considers the effectiveness (wetland size, water
capacity in wetland, location in watershed,
The gradual slope to the wetland swale coupled with its'
wetland juxtaposition, etc.) of the wetland in
position in the Cape Fear River floodplain provides
reducing flood damage and the flow of
storage capacity during stormwater events and during
floodwaters by attenuation of floodwaters for
overflow flood events, however the drainage ditch does
prolonged periods following precipitation events.
3
drain the area fairly rapidly.
Sediment, Nutrient, & Toxicant Removal -
Considers the effectiveness (wetland
The gradual slope to the wetland swale coupled with the
configuration, vegetative cover, wetland size, etc.)
existing vegertation and its' position in the Cape Fear
of the wetland in reducing or preventing
River floodplain provides filtering and toxicant removal
degradation of water quality by trapping
during stormwater events and during overflow flooding
sediments, excess nutrients, and toxicants.
3
from the Cape Fear River.
Erosion Control and Stabilization -
Considers the effectiveness (vegetative cover,
size, substrate, etc.) of the wetland in reducing
The gradual slope to the wetland swale coupled with the
erosion of stream channels or stream banks down
existing vegertation and its position in the Cape Fear
gradient of the wetland, along shorelines if
River floodplain provides a stable area to convey flood
associated with a lake or tidally influenced water
waters without excessive erosion. The drainage ditch
body, or within the wetland itself.
3
through the wetland does have some headcuts.
Wildlife Habitat (Terrestrial) -
Considers the effectiveness (wetland's size,
connectivity with other habitats, wetland
juxtaposition, human -caused disturbance, etc.) of
the wetland to provide habitat for various types
The recent clearing and vegetation removal has
and populations of terrestrial animals.
3
adversely affected the value to terrestrial wildlife.
Wildlife Habitat (Aquatic) -
Considers the effectiveness (wetland's size,
substrate, water quality, wetland juxtaposition,
human -caused disturbance, pollution, etc.) of the
The swale rarely ponds water near the sample point, so
wetland to provide habitat for various types and
benefits to aquatic species are limited to Cape Fear
populations of aquatic animals.
1
River flood events.
Visual Quality/Aesthetics -
Considers the visual and aesthetic qualities of the
The recent clearing and vegetation removal have
wetland.
3
minimized the aesthetics of the area.
Score
0
Total Score 16
Potential to Provide Desirable Wetland Functions and Values
None
Poor
Low
Moderate
High
Very High

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A North Crossing Upland City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: N Crossing - Upland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): stream terrace Local relief (concave, convex, none): convex Slope (%): 2%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.845749 Long:-78.826360 Datum: NAD 1983
Soil Map Unit Name: Ch - Chewada and Chastain soils, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes No X
Wetland? Yes No X
Wetland Hydrology Present? Yes No X
Remarks:
This upland point is on the tow of slope above the floodplain and above the wetland swale.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes No
X Depth (inches):
Saturation present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This data point is on the toe of slope above the Cape
Fear River floodplain that may receive infrequent overflow flooding from the Cape Fear River. The area is
moderately well -drained.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point:N Crossing - Upland
Tree Stratum (Plot Size: )
1 Acer rubrum
2 Carpinus caroliniana
3 Liquidambarstyraciflua
4
5
6
7
8
50% of total cover: 35
Sapliing/Shrub Stratum (Plot Size: )
1 Carpinus caroliniana
2
3
4
5
6
7
8
50% of total cover: 10
Herb Stratum (Plot Size: )
1 Microstegium vimineum
2 Acernegundo
3 Carex grayi
4
5
6
7
8
9
10
11
12
50% of total cover: 22.5
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
30
Y
FAC
That Are OBL, FACW, or FAC:
Total Number of Dominant
5 (A)
30 Y FAC
10
N
FAC
Species Across all Strata:
Percent of Dominant Species that
5 (B)
are OBL, FACW, or FAC:
100.00% (A/B)
Prevalence Index worksheet
Total % Cover of: Multiply by:
70 = Total Cover
20% of total cover: 14
20 Y FAC
OBL species 0 x 1 = 0
FACW species 5 x 2 = 10
FAC species 130 x 3 = 390
FACU species 0 x 4= 0
UPL species 0 x 5 = 0
Column totals 135 (A) 400 (B)
Prevalence Index = B/A = 2.96
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
X 3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
20 = Total Cover
20% of total cover: 4
30 Y FAC 'Indicators of hydric soil and wetland hydrology must be
10 Y FAC present, unless disturbed or problematic.
5 N FACW Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height.
45 = Total Cover
20% of total cover: 9
0 = Total Cover
50% of total cover: 0 20% of total cover: 0
Remarks: (If observed, list morphological adaptations below).
The trees and shrubs were recently cleared near this data point.
Hydrophytic
vegetation
present? Yes X No
US Army Corps of Engineers
Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: N Crossing - Upland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-2 10YR 3.0 / 2 100 sandy loam
2-14 10YR 5 / 6 100 silty clay loam
14-18 7.5YR 6 / 6 80 10YR 6 / 6 20 sandy loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
_ Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes No X
Soils appear to be moderately well -drained and groundwater did not appear to affect the soils at this data point.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

Access route through the Seep A north crossing wetland, facing west. Notice the ephemeral
channel with a deteriorated concrete culvert. This culvert would be replaced.
Seep A north crossing floodplain swale wetland north of the proposed crossing, facing
northeast.
Chemours - Flow -through Cells Revised Seep A

Seep A north crossing floodplain swale wetland, facing northeast. Notice the ephemeral
channel in the foreground.
Cleared area in the Seep A north floodplain swale wetland, facing north. Notice that the
existing crossing is parallel to the tree line running east/west and the ephemeral channel in
in the far right corner of the photograph.
Chemours - Flow -through Cells Revised Seep A

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A South Crossing Wetland City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: S Crossing- Wet
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): floodplain swale Local relief (concave, convex, none): concave Slope (%): 1%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.844195 Long:-78.826062 Datum: NAD 1983
Soil Map Unit Name: Ch - Chewada and Chastain soils, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes X No
Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
This wetland data point is in a Cape Fear River floodplain swale. Vegetation (trees and shrubs) were recently cleared nearby, but the wetland data point was in
the remaining forested area. It appears that the area remains saturated for long durations during the growing season with stormwater runoff, groundwater
seepage, and infrequent overflow flooding from the Cape Fear River.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
X Drainage Patterns (B10)
X Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1) X
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
X Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No X
Depth (inches):
Water table present? Yes No X
Depth (inches):
Saturation present? Yes X No
Depth (inches): 4 inches
Wetland Hydrology Present? Yes X No
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
The swale appears to remain saturated for long durations during the growing season. The floodplain swale
receives runoff from adjacent uplands during
stormwater events, and the swale in the Cape Fear River floodplain receives infrequent overflow flooding
from the Cape Fear River. Groundwater is a primary
contributor to the hydrology of the wetland in this area.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point: S Crossing- Wet
Tree Stratum (Plot Size: )
1 Liquidambarstyraciflua
2 Acer rubrum
3 Carpinus caroliniana
4
5
6
7
8
50% of total cover: 42.5
Sapliing/Shrub Stratum (Plot Size: )
1
2
3
4
5
6
7
8
50% of total cover: 0
Herb Stratum (Plot Size: )
1 Carex grayi
2 Saururus cernuus
3 Microstegium vimineum
4
5
6
7
8
9
10
11
12
50% of total cover: 45
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
50% of total cover: 1
Remarks: (If observed, list morphological adaptations below).
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
45
Y
FAC
That Are OBL, FACW, or FAC:
Total Number of Dominant
5 (A)
30 Y FAC
10
N
FAC
Species Across all Strata:
Percent of Dominant Species that
5 (B)
are OBL, FACW, or FAC:
100.00% (A/B)
Prevalence Index worksheet
Total % Cover of: Multiply by:
85 = Total Cover
20% of total cover: 17
OBL species 30 x 1 = 30
FACW species 35 x 2 = 70
FAC species 110 x 3 = 330
FACU species 0 x 4 = 0
UPL species 0 x 5 = 0
Column totals 175 (A) 430 (B)
Prevalence Index = B/A = 2.46
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
X 3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
0 = Total Cover
20% of total cover: 0
35 Y FACW 'Indicators of hydric soil and wetland hydrology must be
30 Y OBL present, unless disturbed or problematic.
25 Y FAC Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height.
90 = Total Cover
20% of total cover: 18
2 N
Hydrophytic
2 =Total Cover vegetation
20% of total cover: 0.4 1 present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: S Crossing- Wet
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-3 10YR 5.0 / 1 95 10YR 6 / 3 5 sandy loam
3-11 7.5YR 6 / 2 70 10YR 5 / 4 30 sandy loam
11-18 7.5YR 7 / 2 90 7.5YR 6 / 8 10 silty clay loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
X Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes X No
Near the data point there is evidence of a significant stormwater event that resulted in sand deposits from a nearby stream being dumped into the wetland
swale.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

WETLAND FUNCTIONS & VALUES FORM
Wetland I.D.: Seep A South Crossing Wetland Project/Site: Chemours - Flow -through Cells
Function/Value Score Comments
Floodwater Alteration/Retention -
Considers the effectiveness (wetland size, water
capacity in wetland, location in watershed,
wetland juxtaposition, etc.) of the wetland in
The gradual slope to the wetland swale coupled with its'
reducing flood damage and the flow of
position in the Cape Fear River floodplain provides
floodwaters by attenuation of floodwaters for
storage capacity during stormwater events and during
prolonged periods following precipitation events.
4
overflow flood events.
Sediment, Nutrient, & Toxicant Removal -
Considers the effectiveness (wetland
The gradual slope to the wetland swale coupled with the
configuration, vegetative cover, wetland size, etc.)
existing vegertation and its' position in the Cape Fear
of the wetland in reducing or preventing
River floodplain provides filtering and toxicant removal
degradation of water quality by trapping
during stormwater events and during overflow flooding
sediments, excess nutrients, and toxicants.
4
from the Cape Fear River.
Erosion Control and Stabilization -
Considers the effectiveness (vegetative cover,
size, substrate, etc.) of the wetland in reducing
erosion of stream channels or stream banks down
The gradual slope to the wetland swale coupled with the
gradient of the wetland, along shorelines if
existing vegertation and its position in the Cape Fear
associated with a lake or tidally influenced water
River floodplain provides a stable area to convey flood
body, or within the wetland itself.
3
waters without excessive erosion.
Wildlife Habitat (Terrestrial) -
Considers the effectiveness (wetland's size,
connectivity with other habitats, wetland
juxtaposition, human -caused disturbance, etc.) of
The recent clearing and vegetation removal near the
the wetland to provide habitat for various types
data point has adversely affected the value to terrestrial
and populations of terrestrial animals.
4
wildlife.
Wildlife Habitat (Aquatic) -
Considers the effectiveness (wetland's size,
substrate, water quality, wetland juxtaposition,
human -caused disturbance, pollution, etc.) of the
The swale rarely ponds water near the sample point, so
wetland to provide habitat for various types and
benefits to aquatic species are limited to Cape Fear
populations of aquatic animals.
1
River flood events.
Visual Quality/Aesthetics -
Considers the visual and aesthetic qualities of the
The recent clearing and vegetation removal have
wetland.
3
minimized the aesthetics of the area.
Score
0
Total Score 19
Potential to Provide Desirable Wetland Functions and Values
None
Poor
Low
Moderate
High
Very High

WETLAND DETERMINATION DATA FORM - Atlantic and Gulf Coastal Plain Region
Project/Site: Chemours - Seep A South Crossing Upland City/County: Bladen County Sampling Date: June 16, 2020
Applicant/Owner: The Chemours Company State: NC Sampling Point: S Crossing - Upland
Investigator(s): Luke F. Eggering, SPWS Section, Township, Range: NA
Landform (hillslope, terrace, etc.): Toe of hillslope Local relief (concave, convex, none): convex Slope (%): 5%
Subregion (LRR or MLRA): LRR: P; MLRA: 133A Lat: 34.844074 Long:-78.826179 Datum: NAD 1983
Soil Map Unit Name: Ch - Chewada and Chastain soils, frequently flooded NWI classification: PFO
Are climatic / hydrologic conditions on the site typical for this time of the year? Yes X No (If no, explain in Remarks.)
Are vegetation Soil or Hydrology significantly disturbed? No Are "normal circumstances" present? Yes X No
Are vegetation Soil or Hydrology naturally problematic? No (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No
Is the Sampled Area within a
Hydric Soil Present? Yes No X
Wetland? Yes No X
Wetland Hydrology Present? Yes No X
Remarks:
This upland point is on the toe of slope above the floodplain and above the floodplain wetland swale.
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators minimum of two required)
Primary Indicators (minimum of one is required; check all that apply)
Surface Soil Cracks (136)
Surface Water (Al)
Aquatic Fauna (1313)
Sparsely Vegetated Concave Surface (138)
High Water Table (A2)
Marl Deposits (B15) (LRR U)
Drainage Patterns (B10)
Saturation (A3)
Hydrogen Sulfide Odor (Cl)
Moss Trim Lines (B16)
Water Marks (B 1)
Oxidized Rhizospheres on Living Roots (C3)
Dry -Season Water Table (C2)
Sediment Deposits (132)
Presence of Reduced Iron (C4)
Crayfish Burrows (C8)
Drift Deposits (133)
Recent Iron Reduction in Tilled Soils (C6)
Saturation Visible on Aerial Imagery (C9)
Algal Mat or Crust (134)
Thin Muck Surface (C7)
Geomorphic Position (D2)
Iron Deposits (135)
Other (Explain in Remarks)
Shallow Aquitard (D3)
Inundation Visible on Aerial Imagery (137)
FAC-Neutral Test (D5)
Water -Stained Leaves (139)
Sphagnum moss (D8) (LRR T, U)
Field Observations:
Surface water present? Yes No
X Depth (inches):
Water table present? Yes No
X Depth (inches):
Saturation present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
(includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:
This data point is on the toe of slope above the Cape
Fear River floodplain that may receive infrequent overflow flooding from the Cape Fear River. The area is
moderately well -drained.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region -Version 2.0

VEGETATION (Four Strata) - Use scientific names of plants
Sampling Point:S Crossing - Upland
Tree Stratum (Plot Size: )
1 Fagus grandifolia
2 Carpinus caroliniana
3 Ulmus alata
4
5
6
7
8
50% of total cover: 40
Sapliing/Shrub Stratum (Plot Size: )
1 Carpinus caroliniana
2
3
4
5
6
7
8
50% of total cover: 10
Herb Stratum (Plot Size: )
1 Microstegium vimineum
2 Smilax rotundifolia
3
4
5
6
7
8
9
10
11
12
50% of total cover: 12.5
Woody Vine Stratum (Plot Size: )
1
2
3
4
5
50% of total cover: 0
Remarks: (If observed, list morphological adaptations below).
The understory vegetation was sparce.
Absolute
Dominant
Indicator
Dominance Testworksheet:
% Cover
Species?
Status
Number of Dominant Species
40
Y
FACU
That Are OBL, FACW, or FAC:
30
Y
FAC
Total Number of Dominant
10
N
FACU
Species Across all Strata:
Percent of Dominant Species that
are OBL, FACW, or FAC:
80 = Total Cover
20% of total cover: 16
20 Y FAC
20 = Total Cover
20% of total cover: 4
15 Y FAC
10 Y FAC
25 = Total Cover
20% of total cover: 5
0 = Total Cover
20% of total cover: 0
4 (A)
5 (B)
80.00% (A/B)
Prevalence Index worksheet
Total % Cover of:
Multiply by:
OBL species
0
x 1 =
0
FACW species
0
x 2 =
0
FAC species
75
x 3 =
225
FACU species
50
x 4 =
200
UPL species
0
x 5 =
0
Column totals
125
(A)
425 (B)
Prevalence Index = B/A = 3.40
Hydrophytic Vegetation Indicators:
1 -Rapid Test for Hydrophytic Vegetation
X 2 - Dominance Test is >50%
_3 - Prevalence Index is <_3.0'
Problematic Hydrophytic Vegetation' (Explain)
'Indicators of hydric soil and wetland hydrology must be
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
Tree - Woody plants, excluding vines 3 in. (7.6 cm) or more
in diameter at breast height (DBH), regardless of height.
Sapling/shrub - Woody plants, excluding vines, less than 3
in. DBH and greater than 3.28 ft (1 m) tall.
Herb - All herbaceous (non -woody) plants, regardless of size,
and woody plants less than 3.28 ft tall.
Woody vines - All woody vines greater than 3.28 ft in height
Hydrophytic
vegetation
present? Yes X No
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

SOIL
Sampling Point: S Crossing - Upland
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type Loc2 Texture Remarks
0-2 10YR 3.0 / 2 100 sandy loam
2-18 10YR 5 / 6 100 loam
rype: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. Location: PL=Pore Lining, M=Matrix.
Hydric Soil Indicators: (Applicable to all LRRs, unless otherwise noted.) Indicators for Problematic Hydric Soils3:
_ Histisol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ Organic Bodies (A6) (LRR P, T, U)
_ 5 cm Mucky Mineral (A7) (LRR P, T, U)
_ Muck Presence (A8) (LRR U)
_ 1 cm Muck (A9) (LRR P, T)
_ Depleted Below Dark Suface (Al 1)
_ Thick Dark Surface (Al 2)
_ Coast Prairie Redox (A16) (MLRA 150A)
_ Sandy Mucky Mineral (S1) (LRR O, S)
_ Sandy Gleyed Matrix (S4)
_ Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7) (LRR P, S, T, U)
Restrictive Layer (if observed):
Type: None
Depth (inches): NA
Remarks:
Polyvalue Below Surface (S8) (LRR S, T, U) 1 cm Muck (A9) (LRR O)
_ Thin Dark Surface (S9) (LRR, S, T, U)
_ 2 cm Muck (A10) (LRR S)
_ Loamy Mucky Mineral (F1) (LRR O)
_ Reduced Vertic (F18) (outside MLRA 150A,B)
_ Loamy Gleyed Matrix (F2)
_ Piedmont Floodplain Soils (F19) (LRR P, S, T)
_ Depleted Matrix (F3)
_ Anomalous Bright Loamy Soils (F20)
_ Redox Dark Surface (F6)
(MLRA 15313)
_ Depleted Dark Surface (F7)
_ Red Parent Material (TF2)
_ Redox Depressions (F8)
_ Very Shallow Dark Surface (TF12)
_ Marl (F10) (LRR U)
_ Other (Explain in Remarks)
_ Depleted Ochric (F11) (MLRA 151)
Iron -Manganese Masses (F12) (LRR O, P, T)
3Indicators of hydrophytic vegetation and
_ Umbric Surface (F13) (LRR P, T, U)
wetland hydrology must be present,
_ Delta Ochric (F17) (MLRA 151)
unless disturbed or problematic.
_ Reduced Vertic (F18) (MLRA 150A, 15013)
_ Piedmont Floodplain Soils (F19) (MLRA 149A)
Anomalous Bright Loamy Soils (F20) (MLRA 149A, 153C, 153D)
Hydric soil present? Yes No X
Soils appear to be moderately well -drained and groundwater did not appear to affect the soils at this data point.
US Army Corps of Engineers Atlantic and Gulf Coastal Plain Region - Version 2.0

Seep A south crossing wetland showing common obligate wetland plants in the floodplain
swale, lizards tail (Saururus cernuus).
Chemours - Flow -through Cells Revised Seep A

Seep A south crossing wetland just south of the Seep A flow -through cell area, facing east.
This area will need an improved crossing (either replace culvert or a hardened crossing).
,r
Seep A south crossing upland data point.
Chemours - Flow -through Cells Revised Seep A

Chemours - Flow -through Cells Revised Seep A