Figures

In-Situ Sediment

Dredge(+/- Resuspension

Controls)

Pipe or BargeTransport

Size Separation

Holding/SettlingFacility

Dewatering

Treat Water

WaterSolids

Discharge

Process Sediment

Railcar/Barge

Transport

TSCA-/Non-TSCADisposal

FIGURE

1

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. Dotted outline box represents optional element

HUDSON RIVER REMEDIATION

CONCEPTUAL PROCESS FLOW

TREATABILITY STUDIES WORK PLAN

FIGURE

2

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

MECHANICALLY DREDGED AND MECHANICALLY

OFFLOADED CONCEPTUAL PROCESS FLOW

AND ASSOCIATED TREATABILITY TESTS

TREATABILITY STUDIES WORK PLAN

In-Situ Sediment

MechanicallyDredge Sediment

Mechanically OffloadDredged Material

Barge Transport

Water Removal

from Barge

MixingChemical

Addition

Sediment toDewater

Water Holding

Settling

Filtration

Carbon Adsorption

Discharge

Sediment Removed

from Barge

- Storage/TransportationStability ShakerTest

- Stabilization/Solidification Tests

- Paint Filter Test

SolidificationAgent

Staging & Testing

Solidified Cake

Railcar/Barge

Transport

TSCA/Non-TSCADisposal

WaterSolids

Solids

NOTES:

1. Green oval outline represents a treatability study test.

- Dredged MaterialSlurry Simulation M1

FIGURE

3

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

TREATABILITY STUDIES WORK PLAN

In-Situ Sediment

Hydraulically orMechanically

Dredge Sediment

Hydraulically OffloadDredged Material

Pipe or BargeTransport

Size Separation

Holding/SettlingFacility

Dewatering

Press Filtrate

Mixing

- Polymer Jar Tests- Column Settling Tests

- Size Separation Tests- Drainage Tests

- Carbon Column Tests- Rapid Small-ScaleColumn Tests

Water Holding

Chemical Addition

Settling

Filtration

Carbon Adsorption

Discharge

- Multi-MediaFiltration Tests

- Polymer Jar Tests- Primary SedimentationTests

- Mixing Energy Study

Dewatered Cake

- Storage/TransportationStability Shaker Test

- Paint Filter Test- Cake Release Tests- Cake Solids vs.Time Tests

SolidificationAgent

Staging & Testing

Solidified Cake

- Dredged MaterialSlurry SimulationH1 & H2

- Dredge Elutriate Test

- High-Volume Plate &Frame Filter Press Tests

- Plate & Frame Filter Test- Buchner Funnel Tests- Mixing Sub-Study- Dewatering PolymerScreening Tests

- Preferred Polymer Test- Centrifuge Test

Railcar/BargeTransport

TSCA/Non-TSCADisposal

WaterSolids

Solids

NOTES:1. Green oval outline represents a treatability study test.

HYDRAULICALLY DREDGED OR MECHANICALLYDREDGED AND HYDRAULICALLY OFFLOADED

CONCEPTUAL PROCESS FLOW AND ASSOCIATEDTREATABILITY TESTS

- Stabilization/Solidification Tests

FIGURE

11

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION M1 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. M1= 80:20 solids: water (volumetric basis)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation M1S1

Dredged material slurryM1S2simulation

Dredged material slurryM1S3simulation

Dredged material slurryM1S4simulation

Slurry Slurry Slurry Slurry

Yes Yes Yes Yes

No No No No

Water Water Water WaterSediment Sediment Sediment Sediment

Solids Solids Solids Solids

Collect and analyzesediment sample S4 andwater sample [1a & 1b]

Collect and analyzesediment sample S3 andwater sample [1a & 1b]

Collect and analyzesediment sample S2 andwater sample [1a & 1b]

Collect and analyzesediment sample S1 andwater sample [1a & 1b]

Performstorage/transportation

stability shakertests [6a]

Performstorage/transportation

stability shakertests [6a]

Performstorage/transportation

stability shakertests [6a]

Performstorage/transportation

stability shakertests [6a]

Performstabilization/solidification

tests [4a(1)]

Performstabilization/solidification

tests [4a(1)]

Performstabilization/solidification

tests [4a(1)]

Performstabilization/solidification

tests [4a(1)]

Prepare dredged materialslurry simulation (M1S1)with sediment sample S1

and water sample[2a]

Prepare dredged materialslurry simulation (M1S2)with sediment sample S2

and water sample[2a]

Prepare dredged materialslurry simulation (M1S3)with sediment sample S3

and water sample[2a]

Prepare dredged materialslurry simulation (M1S4)with sediment sample S4

and water sample[2a]

Passpaint filter

test ? [4a(1)]

Passpaint filter

test ? [4a(1)]

Passpaint filter

test ? [4a(1)]

Passpaint filter

test ? [4a(1)]

FIGURE

12

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H1S1 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H1 = 25:75 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H1S1

WaterSediment

Slurry

Filtrate

Filtrate

Results

Results

Cake

Solids

Solids

Coarse

Fraction

Collect and analyzesediment sample S1 andwater sample [1a & 1b]

Performstorage/transportation

stability shakertests [6a]

Perform high-volumeplate & frame filter press

tests [4b(3b)]

Performstabilization/solidification

tests [4b(4)]

Perform mixing energytests [4b(5)]

Perform sizeseparation tests [4b(1a)]

Perform drainagetests [4b(1b)]

Perform polymerscreening tests [5a(1)]

Perform rapidsmall-scale column

tests [5a(3)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Prepare dredged materialslurry simulation (H1S1)with sediment sample S1

and water sample[2b]

Perform dewateringpolymer screening

tests [4b(3a)]

Yes

NoPass

paint filtertest ? [4b(4)]

FIGURE

13

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H1S2 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H1 = 25:75 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Perform mixing energytests [4b(5)]

Perform jar tests[4b(2a)]

Perform plate & framefilter test [4b(3b)]

Perform cake releasescreening tests [4b(3a)]

Perform preferredpolymer confirmation

tests [4b(3a)]

Perform primarysedimentation tests

[4b(2b)]

Coarse

Fraction

Fine

Fraction

Perform sizeseparation tests [4b(1a)]

Perform drainagetests [4b(1b)]

Dredged material slurrysimulation H1S2

WaterSediment

Slurry

Collect and analyzesediment sample S2 andwater sample [1a & 1b]

Prepare dredged materialslurry simulation (H1S2)with sediment sample S2

and water sample[2b]

FIGURE

14

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H1S3 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H1 = 25:75 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H1S3

WaterSediment

Collect and analyzesediment sample S3 andwater sample [1a & 1b]

Prepare dredged materialslurry simulation (H1S3)with sediment sample S3

and water sample[2b]

Slurry

Perform dewateringpolymer screening

test [4b(3a)]

Filtrate

Solids

Filtrate

Perform high-volumeplate & frame filter press

tests [4b(3b)]

Perform polymerscreening tests [5a(1)]

Perform rapidsmall-scale column tests

[5a(3)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Perform mixingsub-study [4b(3a)]

Perform jar tests[4b(2a)]

Perform cake solidsvs. time tests [4b(3b)]

Perform cake releasescreening tests [4b(3a)]

Solids

Performstorage/transportation

stability shakertests [6a]

Performstabilization/solidification

tests [4b(4)]

Perform plate & framefilter test [4b(3b)]

Perform primarysedimentation tests

[4b(2b)]

Results

Results

Yes

No

Passpaint filter

test ? [4b(4)]

FIGURE

15

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H1S4 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H1 = 25:75 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H1S4

WaterSediment

Slurry

Filtrate

Filtrate

Solids

Collect and analyzesediment sample S4 andwater sample [1a & 1b]

Performstorage/transportation

stability shaker tests [6a]

Perform high-volumeplate & frame filter press

tests [4b(3b)]

Performstabilization/solidification

tests [4b(4)]

Perform polymerscreening tests [5a(1)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Prepare dredged materialslurry simulation (H1S4)with sediment sample S4

and water sample[2b]

Perform centrifugetests [4b(3c)]

Perform dewateringpolymer screening

tests [4b(3a)]

Results

Cake

Solids

Yes

No

Perform rapidsmall-scale column tests

[5a(3)]

Passpaint filter

test ? [4b(4)]

FIGURE

16

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H2S1 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H2 = 5:95 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H2S1

WaterSediment

Collect and analyzesediment sample S1 andwater sample [1a & 1b]

Prepare dredged materialslurry simulation (H2S1)with sediment sample S1

and water sample[2c]

Slurry

Filtrate

Filtrate

Perform high-volumeplate & frame filter press

tests [4c(3b)]

Perform polymerscreening tests [5a(1)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Perform mixingsub-study [4c(3a)]

Perform jar tests[4c(2a)]

Perform cake solidsvs. time tests [4c(3b)]

Perform cake releasetests [4c(3a)]

Perform mixing energytests [4c(5)]

Solids

Performstorage/transportation

stability shakertests [6a]

Performstabilization/solidification

tests [4c(4)]

Perform dewateringpolymer screening

test [4c(3a)]

Results

Yes

No

Perform rapidsmall-scale column tests

[5a(3)]

Coarse

Fraction

Perform sizeseparation tests [4c(1a)]

Perform drainagetests [4c(1b)]

Passpaint filter

test ? [4c(4)]

FIGURE

17

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H2S2 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H2 = 5:95 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H2S2

WaterSediment

Slurry

Collect and analyzesediment sample S2 andwater sample [1a &1b]

Prepare dredged materialslurry simulation (H2S2)with sediment sample S2

water sampleand [2c]

Perform dewateringpolymer screening

tests [4c(3a)]

Filtrate

Filtrate

Perform high-volumeplate & frame filter press

tests [4c(3b)]

Perform polymerscreening tests [5a(1)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Perform mixing energytests [4c(5)]

Settled Solids

Results

Perform mixingsub-study [4c(3a)]

Results

Perform rapidsmall-scale column tests

[5a(3)]

Perform jar tests[4c(2a)]

Perform plate & framefilter test [4c(3b)]

Coarse

Fraction

Fine

Fraction

Perform sizeseparation tests [4c(1a)]

Perform drainagetests [4c(1b)]

Perform primarysedimentation tests

[4c(2b)]

FIGURE

18

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H2S3 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H2 = 5:95 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H2S3

WaterSediment

Slurry

Collect and analyzesediment sample S3 andwater sample [1a &1b]

Prepare dredged materialslurry simulation (H2S3)with sediment sample S3

and water sample[2c]

Perform preferredpolymer tests [4c(3a)]

Filtrate

Filtrate

Solids

Performstorage/transportation

stability shakertests [6a]

Perform high-volumeplate & frame filter press

tests [4c(3b)]

Performstabilization/solidification

tests [4c(4)]

Perform polymerscreening tests [5a(1)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Perform centrifugetests [4c(3c)]

Perform cake releasetests [4c(3a)]

Perform cake solidsvs. time tests [4c(3b)]

Perform mixed energytests [4c(5)]

Results

Results

Cake

Solids

Yes

No

Perform rapidsmall-scale column tests

[5a(3)]

Perform jar tests[4c(2a)]

Perform primarysedimentation tests

[4c(2b)]

Passpaint filter

test ? [4c(4)]

FIGURE

19

TREATABILITY STUDY TEST

FLOW DIAGRAM DREDGED MATERIAL

SLURRY SIMULATION H2S4 TESTS

GENERAL ELECTRIC COMPANYHUDSON RIVER PCBS SUPERFUND SITE

NOTES:

1. [1a(1)] = Refers to DQO and data and measurement in Table 2.

2. H2 = 5:95 solids: water (weight proportions)TREATABILITY STUDIES WORK PLAN

Dredged material slurrysimulation H2S4

WaterSediment

Slurry

Collect and analyzesediment sample S4 andwater sample [1a & 1b]

Prepare dredged materialslurry simulation (H2S4)with sediment sample S4

and water sample[2c]

Perform plate & framefilter test [4c(3b)]

Filtrate

Filtrate

SolidsSettled Solids

Performstorage/transportation

stability shaker tests [6a]

Perform high-volumeplate & frame filter press

tests [4c(3b)]

Performstabilization/solidification

tests [4c(4)]

Perform polymerscreening tests [5a(1)]

Perform column settlingtests [5a(1)]

Perform multi-mediafiltration tests [5a(2)]

Perform carboncolumn tests [5a(3)]

Results

ResultsPerform dewateringpolymer screening

tests [4c(3a)]

Perform primarysedimentation tests

[4c(2b)]

Perform centrifugetests [4c(3c)]

Cake

Solids

Yes

No

Perform rapidsmall-scale column tests

[5a(3)]

Passpaint filter

test ? [4c(4)]