Attachment_4.pdf

Attachment 4

SUNFLOWER ARMY AMMUNITION PLANT COST ASSUMPTIONS

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 1 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

SAMPLE NUMBERS DO NOT INCLUDE QA

SAAP-008 NORTH ACID AREA - CHROMATE CONCENTRATION POND

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 386 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 15 13 + 2 = 15 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 6 15% TMCL exceedances, 2 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 3 5% TMCL exceedances, 1 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 4 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 2

ICM SOIL CONTAMINATION AREA SQ FT 3,600

ICM CONTAMINATED SOIL VOLUME CY 267

ICM CONFIRMATION SAMPLES SAMPLE 4

RCRA Metals, hexavalent chromium, iron, manganese, SVOC-PAHs, VOCs, SVOCs, nitrate/nitrite, sulfate, ammonia, explosives, NC, NG, TPH-DRO, pH

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 386 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 3,088

ICM RIND BURN DEBRIS/ACM DEPTH FT 1 5

ICM RIND BURN DEBRIS/ACM VOLUME CY 114

ICM CONFIRMATION SAMPLES SAMPLE 3

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 405

ICM ACM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

after stockpile is removed.

ICM ACM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 4,816

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 7 5 + 2 = 7 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 1 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 0 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 1

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 900

ICM CONTAMINATED SOIL VOLUME CY 33

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 9 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 42

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 1

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 8 1 Five-point composite sample every 500 feet

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 2 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 3,736

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 560 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 4,483

ICM CONTAMINATED SOIL VOLUME CY 166

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 140

1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 42

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 166 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 374

ICM CONFIRMATION SAMPLES SAMPLE 2

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 2

SAAP-008 Total Environmental Samples SAMPLE 59

SAAP-008 Total Contaminated Soil Excavation Volume CY 1087 SAAP-008 Total Contaminated Soil Disposal Weight TON 1631

SAAP-014 ROCKET STATIC TEST AREA

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 782 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 28 26 + 2 = 28 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 12 15% TMCL exceedances, 4 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 3 5% TMCL exceedances, 1 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 6 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 5,400

ICM CONTAMINATED SOIL VOLUME CY 200

ICM CONFIRMATION SAMPLES SAMPLE 6

RCRA Metals, hexavalent chromium, iron, manganese, SVOC-PAHs, VOCs, SVOCs, nitrate/nitrite, sulfate, ammonia, explosives, NC NG, TPH-DRO, pH

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 0

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 782 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 6,256

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 232

ICM CONFIRMATION SAMPLES SAMPLE 7

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 522

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 3 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM ACM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 15,213

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 19 17 + 2 = 19 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 3 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 4

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 3,190

ICM CONTAMINATED SOIL VOLUME CY 118

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 28 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 146

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 4

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 1 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 229

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 34 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 275

ICM CONTAMINATED SOIL VOLUME CY 10

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 9

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 4

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 10 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 24

ICM CONFIRMATION SAMPLES SAMPLE 1

SAAP-014 Total Environmental Samples SAMPLE 88

SAAP-014 Total Contaminated Soil Excavation Volume CY 892 SAAP-014 Total Contaminated Soil Disposal Weight TON 1338

SAAP-017 G LINE AREA DITCHES

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 18,910 All Explosive Foundations Including TBPs ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 695 630 + 65 = 695 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 313 15% TMCL exceedances, 104 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 48 5% TMCL exceedances, 16 Samples x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 30 25% of Grids, excavate an additional 2 feet deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 150

ICM SOIL CONTAMINATION DEPTH FT 2 1,056

ICM SOIL CONTAMINATION AREA SQ FT 135,000

ICM CONTAMINATED SOIL VOLUME CY 10,000

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 4 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM LINEAR FEET OF RIND SOIL FT 18,910 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 151,280

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 5,603

ICM CONFIRMATION SAMPLES SAMPLE 168

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 5,893

ICM ACM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 11

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM ACM DISPOSAL SAMPLES SAMPLE 15 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM FR1 SUBFOUNDATION SLAB AREA SQ FT 173,355 All Explosive Foundations Including TBPs ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 263 193 + 70 = 263 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 39 15% TMCL exceedances; excavate 1 foot deep

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 10 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 49

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 44,317

ICM CONTAMINATED SOIL VOLUME CY 1,641

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 321 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 1,962

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 49

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 4 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 24 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 377 212 horizontal ft + (5' x 33) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 57 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 339

ICM CONTAMINATED SOIL VOLUME CY 13

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 14

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 4

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 13 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 30

ICM CONFIRMATION SAMPLES SAMPLE 4

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 7 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM SEWER IN PESTICIDE FOUNDATIONS LENGTH FT 206 Pesticide containing soil moved to excavate explosive sewers

ICM SEWER IN PESTICIDE FOUNDATIONS WIDTH FT 6

ICM SEWER IN PESTICIDE FOUNDATIONS DEPTH FT 5 All Explosive Foundations Including TBPs

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 5 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM SEWER IN PESTICIDE FOUNDATIONS VOLUME CY 229

ICM SEWER IN PESTICIDE FOUNDATIONS DISPOSAL SAMPLES SAMPLE 2

SAAP-017 Total Environmental Samples SAMPLE 1606 SAAP-017 Total Contaminated Soil Excavation Volume CY 18115

SAAP-017 Total Contaminated Soil Disposal Weight TON 27172

SAAP-024 NITROGLYCERINE AND PASTE MIX AREA

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 1,108 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 42 37 + 5 = 42 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 18 15% TMCL exceedances, 6 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 3 5% TMCL exceedances, 1 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 2 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 9 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 2

ICM SOIL CONTAMINATION AREA SQ FT 8,100

ICM CONTAMINATED SOIL VOLUME CY 600

ICM CONFIRMATION SAMPLES SAMPLE 9

RCRA Metals, manganese, explosives (including NC, NG and NQ), SVOCs, VOCs, TPH-DRO, TPH-GRO, nitrate/nitrite, ammonia, sulfate, pesticides, pH

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 2 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 1,108 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 8,864

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 328

ICM CONFIRMATION SAMPLES SAMPLE 10

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 619

ICM ACM DISPOSAL SAMPLES SAMPLE 2 TCLP (Metals), Corrosivity, Ignitability, Reactivity

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 9,365

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 15 10 + 5 = 15 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 2 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 3

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 2,600

ICM CONTAMINATED SOIL VOLUME CY 96

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 17 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 114

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 6 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 3

ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 24 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 678 433 horizontal ft + (5' x 49) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 102 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 610

ICM CONTAMINATED SOIL VOLUME CY 23

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 25

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 7

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 23 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 53

ICM CONFIRMATION SAMPLES SAMPLE 4

SAAP-024 Total Environmental Samples SAMPLE 137

SAAP-024 Total Contaminated Soil Excavation Volume CY 1385 SAAP-024 Total Contaminated Soil Disposal Weight TON 2078

SAAP-026

SINGLE BASE PROPELLANT AREA, WASTE WATER SETTLING

SUMPS

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 1,982 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 72 66 + 6 = 72 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 33 15% TMCL exceedances, 11 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 6 5% TMCL exceedances, 2 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 3 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 16 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 14,400

ICM CONTAMINATED SOIL VOLUME CY 533

ICM CONFIRMATION SAMPLES SAMPLE 1 RCRA Metals, Manganese, SVOCs, Explosives, VOCs, Nitrate

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 1,982 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 15,856

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 587

ICM CONFIRMATION SAMPLES SAMPLE 18

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 7 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 878

ICM ACM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 2

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 18,897

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 30 21 + 9 = 30 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 5 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 2 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 7

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 6,187

ICM CONTAMINATED SOIL VOLUME CY 229

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 35 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 264

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 7

ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 116 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 1,425 1035 horizontal ft + (5' x 78) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 214 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 1,283

ICM CONTAMINATED SOIL VOLUME CY 48

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 53

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 13

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 48 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 109

ICM CONFIRMATION SAMPLES SAMPLE 17

ICM SEWER IN PESTICIDE FOUNDATIONS LENGTH FT 1,035 Pesticide containing soil moved to excavate explosive sewers

ICM SEWER IN PESTICIDE FOUNDATIONS WIDTH FT 6

ICM TEMPORARY BURN PADS - SEWER IN PESTICIDE FOUNDATIONS FT 5

ICM SEWER IN PESTICIDE FOUNDATIONS VOLUME CY 1,150

ICM SEWER IN PESTICIDE FOUNDATIONS DISPOSAL SAMPLES SAMPLE 4

SAAP-026 Total Environmental Samples SAMPLE 314 SAAP-026 Total Contaminated Soil Excavation Volume CY 2934

SAAP-026 Total Contaminated Soil Disposal Weight TON 4401

SAAP-048 NITROGUANIDINE SUPPORT AREA

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 1,772 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 64 59 + 5 = 64 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 30 15% TMCL exceedances, 10 Samples x 3

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 8 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 6 5% TMCL exceedances, 2 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 3 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 15 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 13,500

ICM CONTAMINATED SOIL VOLUME CY 500

ICM CONFIRMATION SAMPLES SAMPLE 15

RCRA Metals, Manganese, Explosives (including NC, NQ, GN), Nitrate, Sulfate, Ammonia, VOCs

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 1,772 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 14,176

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 525

ICM CONFIRMATION SAMPLES SAMPLE 16

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 815

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 26,461

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 30 29 + 1 = 30 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 5 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 6

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 5,130

ICM CONTAMINATED SOIL VOLUME CY 190

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 49 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 239

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 6

ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 13 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 196 171 horizontal ft + (5' x 5) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 29 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 176

ICM CONTAMINATED SOIL VOLUME CY 7

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 7

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 3

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 9 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 7 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 17

ICM CONFIRMATION SAMPLES SAMPLE 2

ICM SEWER IN PESTICIDE FOUNDATIONS LENGTH FT 171 Pesticide containing soil moved to excavate explosive sewers

ICM SEWER IN PESTICIDE FOUNDATIONS WIDTH FT 6

ICM TEMPORARY BURN PADS - SEWER IN PESTICIDE FOUNDATIONS FT 5

ICM SEWER IN PESTICIDE FOUNDATIONS VOLUME CY 190

ICM SEWER IN PESTICIDE FOUNDATIONS DISPOSAL SAMPLES SAMPLE 1

SAAP-048 Total Environmental Samples SAMPLE 193 SAAP-048 Total Contaminated Soil Excavation Volume CY 1761

SAAP-048 Total Contaminated Soil Disposal Weight TON 2642

SAAP-065 TANK FARM

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 301 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 12 10 + 2 = 12 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 6 15% TMCL exceedances, 2 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 3 5% TMCL exceedances, 1 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 4 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 3,600

ICM CONTAMINATED SOIL VOLUME CY 133

ICM CONFIRMATION SAMPLES SAMPLE 4

RCRA Metals, Manganese, 2,4-DNT, NC, SVOCs, VOCs, TPH-DRO, and TPH-GRO

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 301 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 2,408

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 89

ICM CONFIRMATION SAMPLES SAMPLE 3

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 379

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 3,235

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 6 4 + 2 = 6 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 1 15% TMCL exceedances; excavate 1 foot deep

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 10 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 2

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 1,844

ICM CONTAMINATED SOIL VOLUME CY 68

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 6 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 74

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 2

ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 7 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 224 174 horizontal ft + (5' x 10) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 34 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 202

ICM CONTAMINATED SOIL VOLUME CY 7

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 8

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 3

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 7 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 18

ICM CONFIRMATION SAMPLES SAMPLE 1

ICM SEWER IN PESTICIDE FOUNDATIONS LENGTH FT 174 Pesticide containing soil moved to excavate explosive sewers

ICM SEWER IN PESTICIDE FOUNDATIONS WIDTH FT 6

ICM SEWER IN PESTICIDE FOUNDATIONS DEPTH FT 5 TEMPORARY BURN PADS

ICM SEWER IN PESTICIDE FOUNDATIONS VOLUME CY 193

ICM SEWER IN PESTICIDE FOUNDATIONS DISPOSAL SAMPLES SAMPLE 1

SAAP-065 Total Environmental Samples SAMPLE 54 SAAP-065 Total Contaminated Soil Excavation Volume CY 798

SAAP-065 Total Contaminated Soil Disposal Weight TON 1197

SAAP-067 SOUTH ACID AREA

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 296 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 13 10 + 3 = 13 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 6 15% TMCL exceedances, 2 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 3 5% TMCL exceedances, 1 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 4 Estimated grids requiring excavation

ICM SOIL CONTAMINATION DEPTH FT 2

ICM SOIL CONTAMINATION AREA SQ FT 3,600

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 11 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM CONTAMINATED SOIL VOLUME CY 267

ICM CONFIRMATION SAMPLES SAMPLE 4

RCRA Metals, Hexavalent Chromium, Manganese, Nickel, Vanadium, SVOCs, VOCs, TPH-DRO, TPH-GRO, NG, Nitrate, Sulfate, Ammonia, pH

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 296 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 2,368

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 88

ICM CONFIRMATION SAMPLES SAMPLE 3

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 378

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 6,529

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 10 7 + 3 = 10 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 2 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 1 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 3

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 2,630

ICM CONTAMINATED SOIL VOLUME CY 97

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 12 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 110

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 3

SAAP-067 Total Environmental Samples SAMPLE 47

SAAP-067 Total Contaminated Soil Excavation Volume CY 754 SAAP-067 Total Contaminated Soil Disposal Weight TON 1131

SAAP-116 NC PRODUCTION LINES

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 3,786 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 136 126 + 10 = 136 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 60 15% TMCL exceedances, 20 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 9 5% TMCL exceedances, 3 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 6 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 29

ICM SOIL CONTAMINATION DEPTH FT 1

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 12 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM SOIL CONTAMINATION AREA SQ FT 26,100

ICM CONTAMINATED SOIL VOLUME CY 967

ICM CONFIRMATION SAMPLES SAMPLE 29 RCRA Metals, SVOCs, Nitrates, NC

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 2

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 2 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 3,786 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 30,288

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 1,122

ICM CONFIRMATION SAMPLES SAMPLE 34

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 1,412

ICM ACM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

ICM ACM DISPOSAL SAMPLES SAMPLE 4 TCLP (Metals), Corrosivity, Ignitability, Reactivity

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 149,189

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 173 166 + 7 = 173 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 26 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 6 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 32

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 29,154

ICM CONTAMINATED SOIL VOLUME CY 1,080

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 276 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 1,356

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 32

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 2

ICM DISPOSAL SAMPLES SAMPLE 3 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 72 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 173 68 horizontal ft + (5' x 21) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 26 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 156

ICM CONTAMINATED SOIL VOLUME CY 6

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 6

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 2

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 6 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 14

ICM CONFIRMATION SAMPLES SAMPLE 11

ICM SEWER IN PESTICIDE FOUNDATIONS LENGTH FT 49 Pesticide containing soil moved to excavate explosive sewers

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 13 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM SEWER IN PESTICIDE FOUNDATIONS WIDTH FT 6

ICM SEWER IN PESTICIDE FOUNDATIONS DEPTH FT 5 TEMPORARY BURN PADS

ICM SEWER IN PESTICIDE FOUNDATIONS VOLUME CY 54

ICM SEWER IN PESTICIDE FOUNDATIONS DISPOSAL SAMPLES SAMPLE 1

SAAP-116 Total Environmental Samples SAMPLE 577 SAAP-116 Total Contaminated Soil Excavation Volume CY 3803

SAAP-116 Total Contaminated Soil Disposal Weight TON 5705

SAAP-117 NQ PRODUCTION FACILITIES

ICM LINEAR FEET AROUND EXPLOSIVE FOUNDATIONS FT 2,600 TEMPORARY BURN PADS

ICM RIND SOIL SAMPLES OF EXPLOSIVE FOUNDATIONS SAMPLE 92 87 + 5 = 92 Samples ICM RIND SOIL STEP OUT SAMPLES SAMPLE 42 15% TMCL exceedances, 14 Samples x 3 ICM ADDITIONAL RIND SOIL STEP OUT SAMPLES SAMPLE 6 5% TMCL exceedances, 2 Sample x 3

ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 4 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 20

ICM SOIL CONTAMINATION DEPTH FT 2

ICM SOIL CONTAMINATION AREA SQ FT 18,000

ICM CONTAMINATED SOIL VOLUME CY 1,333

ICM CONFIRMATION SAMPLES SAMPLE 20

RCRA Metals, Hexavalent Chromium, Cobalt, Iron, Manganese, SVOCs, VOCs, NQ, GN, Ethylene Glycol, PCBs, TPH-DRO, Nitrate, Sulfate, Ammonia, Cyanide, Fluoride, pH

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 3 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM TEMPORARY BURN PADS - LINEAR FEET OF RIND SOIL FT 2,600 ACM debris resulting from burning buildings with asbestos in place

ICM RIND BURN DEBRIS/ACM WIDTH FT 8

ICM RIND BURN DEBRIS/ACM AREA SQ FT 20,800

ICM RIND BURN DEBRIS/ACM DEPTH FT 1

ICM RIND BURN DEBRIS/ACM VOLUME CY 770

ICM CONFIRMATION SAMPLES SAMPLE 23

ICM BURN DEBRIS/ACM IN BASEMENTS VOLUME CY 290

ICM TOTAL BURN DEBRIS/ACM VOLUME CY 1,061

ICM ACM CONTAMINATED SOIL VOLUME (W 25% FLUFF) CY 1,326

ICM ACM DISPOSAL SAMPLES SAMPLE 3 TCLP (Metals), Corrosivity, Ignitability, Reactivity

ICM TEMPORARY BURN PADS - FR1 SUBFOUNDATION SLAB AREA SQ FT 38,277

ICM INITIAL 900 sq ft GRID SOIL SAMPLES SAMPLE 48 43 + 5 = 48 Samples ICM 900 SQ FT GRIDS REQUIRING REMEDITION EACH 8 15% TMCL exceedances; excavate 1 foot deep ICM 900 SQ FT GRIDS REQUIRING RE-REMEDITION EACH 2 25% of Grids, excavate an additional 1 foot deep to obtain clean soil

ICM TOTAL 900 SQ FT GRIDS REQUIRING EXCAVATION EACH 10

ICM SOIL CONTAMINATION DEPTH FT 1 48

ICM SOIL CONTAMINATION AREA SQ FT 9,146

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 14 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

ICM CONTAMINATED SOIL VOLUME CY 339

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 71 5% of total square feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLUME CY 410

ICM CONFIRMATION SAMPLES (TOTAL) SAMPLE 10

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity ICM INITIAL SEWER INSIDE FDN TRENCH SAMPLES SAMPLE 11 1 Five-point composite sample every foundation containing sewers ICM LENGTH OF EXPLOSIVE SEWER TRENCH INSIDE FOUNDATIONS FT 578 448 horizontal ft + (5' x 26) linear ft (drains, 5' per drain)

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 6

ICM SOIL CONTAMINATION LENGTH FT 87 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM TEMPORARY BURN PADS - SOIL CONTAMINATION AREA SQ FT 520

ICM CONTAMINATED SOIL VOLUME CY 19

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 22

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 6

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 19 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER INSIDE FDN CY 44

ICM CONFIRMATION SAMPLES SAMPLE 2

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity SAAP-117 Total Environmental Samples SAMPLE 268

SAAP-117 Total Contaminated Soil Excavation Volume CY 2848 SAAP-117 Total Contaminated Soil Disposal Weight TON 4272

3343 SAMPLE Total TBP & Rind Soil Environmental Samples 34377 CY Total TBP & Rind Soil Contamination Excavation Volume 1 QA MULTIPLIER 51566 TON Total TBP & Rind Soil Contaminated Soil Disposal Weight 900 CONFIRMATION SAMPLE CENTERS (SQ FT) - STANDARD

27 CONFIRMATION SAMPLE FOR STOCKPILES CONVERTER

490 SAMPLE Total Outside Sewer Environmental Samples 500 DISPOSAL SAMPLE FREQUENCY (CY)

18668 CY Total Outside Sewer Contamination Excavation Volume 0.15 INITIAL SOIL SAMPLE TMCL EXCEEDANCE FREQUENCY 28002 TON Total Outside Sewer Contaminated Soil Disposal Weight 0.05 SOIL STEPOUT SAMPLE TMCL EXCEEDANCE FREQUENCY

GENERAL ASSUMPTIONS

1) QA SAMPLING CALCULATED BY RACER.

2) CONFIRMATION SAMPLES AT 900 FOOT CENTERS (EXCEPT AS SHOWN).

3) ONE SOIL SAMPLE TAKEN PER NEW WELL, ANALYZED FOR COCs.

4) OFFSITE DISPOSAL OF WASTE ASSUMMED FOR ALL SITES.

5) ANALYSES SHOWN FOR CONFIRMATION SAMPLES APPLY TO ALL OTHER

SAMPLES UNLESS OTHERWISE INDICATED.

6) BACKFILL INCLUDED WITH EXCAVATION, ROCKFILL DELETED FROM ASSEMBLY

7) DISPOSAL SAMPLES ASSUMED AT ONE FOR EVERY 500 CUBIC YARDS.

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 15 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

8) CONFIRMATION SAMPLE FREQUENCY FOR FORMER CONTAMINATED SOIL STOCK-

PILE AREAS SET AT TOTAL CUBIC YARDS OF DISPOSED CONTAMINATED SOIL

CONVERTED TO CUBIC FEET (CY/27=CF), THEN DIVIDE BY 20 (HEIGHT OF

SOIL STOCKPILES) TIMES 900 (SQUARE FEET SAMPLING FREQUENCY)

B-LINE OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 42 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 20,505

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 3,076 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 24,606

ICM CONTAMINATED SOIL VOLUME CY 911

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 769

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 229

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 911 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 2,052

ICM CONFIRMATION SAMPLES SAMPLE 6

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 5 TCLP (Metals), Corrosivity, Ignitability, Reactivity B-Line O-Sewer Total Environmental Samples SAMPLE 57

B-Line O-Sewer Total Contaminated Soil Excavation Volume CY 2052 B-Line O-Sewer Total Contaminated Soil Disposal Weight TON 3077

C-LINE OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 45 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 21,926

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 3,289 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 26,311

ICM CONTAMINATED SOIL VOLUME CY 974

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 822

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 245

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 974 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 2,194

ICM CONFIRMATION SAMPLES SAMPLE 7

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

Required sampling for areas where contaminated soil was stockpiled, ICM DISPOSAL SAMPLES SAMPLE 6 TCLP (Metals), Corrosivity, Ignitability, Reactivity

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 16 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

C-Line O-Sewer Total Environmental Samples SAMPLE 61

C-Line O-Sewer Total Contaminated Soil Excavation Volume CY 2194 C-Line O-Sewer Total Contaminated Soil Disposal Weight TON 3290

D-LINE OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 43 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 20,949

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 3,142 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 25,139

ICM CONTAMINATED SOIL VOLUME CY 931

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 786

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 234

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 931 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 2,096

ICM CONFIRMATION SAMPLES SAMPLE 6

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 3

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 5 TCLP (Metals), Corrosivity, Ignitability, Reactivity D-Line O-Sewer Total Environmental Samples SAMPLE 58

D-Line O-Sewer Total Contaminated Soil Excavation Volume CY 2096 D-Line O-Sewer Total Contaminated Soil Disposal Weight TON 3144

E-LINE OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 62 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 30,258

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 4,539 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 36,310

ICM CONTAMINATED SOIL VOLUME CY 1,345

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 1,135

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 337

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 1,345 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 3,027

ICM CONFIRMATION SAMPLES SAMPLE 9

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 5

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 8 TCLP (Metals), Corrosivity, Ignitability, Reactivity E-Line O-Sewer Total Environmental Samples SAMPLE 83

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 17 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

E-Line O-Sewer Total Contaminated Soil Excavation Volume CY 3027

E-Line O-Sewer Total Contaminated Soil Disposal Weight TON 4540

E-LINE OUTSIDE SEWERS

Premix ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 9 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 3,784

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 568 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 4,541

ICM CONTAMINATED SOIL VOLUME CY 168

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 142

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 43

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 168 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 379

ICM CONFIRMATION SAMPLES SAMPLE 1

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity E-Line Premix O-Sewer Total Environmental Samples SAMPLE 11

E-Line Premix O-Sewer Total Cont Soil Excavation Volume CY 379

E-Line Premix O-Sewer Total Contaminated Soil Disposal Weight TON 569

G-LINE OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 27 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 13,045

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 1,957 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 15,654

ICM CONTAMINATED SOIL VOLUME CY 580

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 489

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 146

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 580 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 1,306

ICM CONFIRMATION SAMPLES SAMPLE 4

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 2

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

G-Line O-Sewer Total Environmental Samples SAMPLE 36

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 18 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

G-Line O-Sewer Total Contaminated Soil Excavation Volume CY 1306

G-Line O-Sewer Total Contaminated Soil Disposal Weight TON 1958

Five OUTSIDE SEWERS Corners ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 9 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 3,949

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 592 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 4,739

ICM CONTAMINATED SOIL VOLUME CY 176

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 148

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 45

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 176 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 396

ICM CONFIRMATION SAMPLES SAMPLE 1

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity Five Corners O-Sewer Total Environmental Samples SAMPLE 12

Five Corners O-Sewer Total Contaminated Soil Excavation Volume CY 396 Five Corners O-Sewer Total Contaminated Soil Disposal Weight TON 594

Finishing OUTSIDE SEWERS Area ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 85 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 41,920

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 6,288 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 50,304

ICM CONTAMINATED SOIL VOLUME CY 1,863

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 1,572

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 467

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 1,863 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 4,193

ICM CONFIRMATION SAMPLES SAMPLE 13

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 6

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 10 TCLP (Metals), Corrosivity, Ignitability, Reactivity Finishing Area O-Sewer Total Environmental Samples SAMPLE 114

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 19 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

Finishing Area O-Sewer Total Contam Soil Excavation Volume CY 4193

Finishing Area O-Sewer Total Contaminated Soil Disposal Weight TON 6290

NG OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 4 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 1,690

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 254 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 2,028

ICM CONTAMINATED SOIL VOLUME CY 75

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 63

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 20

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 75 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 170

ICM CONFIRMATION SAMPLES SAMPLE 1

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

ICM DISPOSAL SAMPLES SAMPLE 1 TCLP (Metals), Corrosivity, Ignitability, Reactivity NG O-Sewer Total Environmental Samples SAMPLE 8

NG O-Sewer Total Contaminated Soil Excavation Volume CY 170 NG O-Sewer Total Contaminated Soil Disposal Weight TON 255

NQ OUTSIDE SEWERS

ICM INITIAL SEWER OUTSIDE FDN TRENCH SAMPLES SAMPLE 5 1 Five-point composite sample every 500 feet

ICM LENGTH OF EXPLOSIVE SEWER TRENCH OUTSIDE FOUNDATIONS FT 1,780

ICM WIDTH OF EXPLOSIVE SEWER TRENCH FT 8

ICM SOIL CONTAMINATION LENGTH FT 267 15% of linear feet with TMCL exceedances

ICM SOIL CONTAMINATION DEPTH FT 1

ICM SOIL CONTAMINATION AREA SQ FT 2,136

ICM CONTAMINATED SOIL VOLUME CY 79

ICM SEWER TRENCH REQUIRING RE-REMEDITION LENGTH FT 67

25% of length of contaminated sewer trench, re-excavate an additional 1 foot deep to obtain clean soil

ICM RE-REMEDIATION CONTAMINATED SOIL VOLUME CY 21

ICM EXPLOSIVES BLENDED CONTAMINATED SOIL VOLUME CY 79 15% of total linear feet of explosive soil blended to <10%

ICM TOTAL CONTAMINATED SOIL VOLULME SEWER OUTSIDE FDN CY 179

ICM CONFIRMATION SAMPLES SAMPLE 1

ICM CONTAMINATED SOIL STOCKPILE CONFIRMATION SAMPLES SAMPLE 1

Required sampling for areas where contaminated soil was stockpiled, after stockpile is removed.

NQ O-Sewer Total Environmental Samples SAMPLE 8

IRP Work at MEC Sites at SFAAP_ver 3 - Outside Sewers, TBPs and SAAP-017.xlsx 20 of 35

SITE ID PHASE SITE/PARAMETER UNITS AMOUNT COMMENTS

NQ O-Sewer Total Contaminated Soil Excavation Volume CY 179

NQ O-Sewer Total Contaminated…