Funding Information:

Org. Code E.O. Object Code Budget Entity Appropriation

Category Grant # Project # Year Amount

☐ Additional Funding Information attached on separate page.

Rev. 8/26/2020

STATE OF FLORIDA

DEPARTMENT OF ENVIRONMENTAL PROTECTION

Task Assignment This Task Assignment (TA) is entered into between the Parties named below, pursuant to Contract Number: .

1. TA Number: TA Completion Date:

TA Description:

2. Parties State of Florida Department of Environmental Protection

(Department)

Department Project Manager: Department Project Manager Phone:

Contractor Name: (Contractor ) ntractor’st ’s Project Manager: ontractor’s t’s Project Manager Phone:

3. Project Number:

(If different from TA Number)

Project Location(s):

Project Name:

4. As consideration for the services rendered by Contractor under the terms of this TA, the Department shall pay the Contractor on the following bases, up to the Total TA Value as indicated below:

☐ Fixed Price:

☐ Fixed Unit Rate: (Extended Price)

☐ Cost Reimbursement:

Total TA Value:

5. The Parties agree to comply with the terms and conditions of the underlying the Contract, and the following attachments which are hereby incorporated by reference:

Attachment 1:

☐ Additional Attachments (if necessary):

IN WITNESS WHEREOF, this TA shall be effective on the last date signed below.

State of Florida Department of Environmental Protection CONTRACTOR Department Name:

Title:

Secretary or Designee

(Authorized Signature) (Authorized Signature) Date:

☐ Additional signatures attached on separate page.

HW684

DC021B Completion August 9, 2024

GHD Services, Inc. will conduct 12 months of operations and maintenance (O&M) at the former McNatt's Cleaners site located in Tampa, Florida. All work will be conducted in accordance with the scope of work and cost proposal submitted on February 27, 2023.

The payment of utility invoices associated with O&M activities under this Task Assignment is the only portion of this Task Assignment which is Cost Reimbursement.

Kevin Kane 850-245-8971 Contractor Contractor

Contractor Contractor

Contractor Contractor

Contractor

GHD Services, Inc.

GHD Services, Inc.

Brian Moore 813-257-0658

ERIC_4716

6210 N Florida Ave, Tampa, Hillsborough County

McNatt's Cleaners

✔ $ 18,582.80 ✔ $ 14,400.00

$ 32,982.80

Scope of Work

Brian Moore

Project Manager

Brian Moore Digitally signed by Brian Moore Date: 2023.04.10 15:33:08 -04'00'

Kelly Crain

Kelly Crain Digitally signed by Kelly Crain Date: 2023.04.10 11:34:02 -04'00'

N/A

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

WCP TAFORM 04-2017

Contract Number:

Task Assignment #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

Semi-Annual O&M Summary 09/29/2023

Paid Utility Invoices 10/06/2023

Remedial Action Status Report + Project Management 04/26/2024

Paid Utility Invoices 05/03/2024

Subtask 2: Upon completion of 6 months O&M activities and FDEP approval of the Semi-Annual O&M Summary $ 8,964.66

Subtask 3: Upon submittal of Paid Utility Invoices:

Utilities (Cost Reimbursement) not to exceed $7,200 Utilities Handling Fee: $120

$ 7,320.00

Subtasks 1 & 4: Upon completion of 6 months O&M activities and FDEP approval of the Remedial Action Status Report + Project Management $ 9,378.14

Subtask 5: Upon submittal of Paid Utility Invoices:

Utilities (Cost Reimbursement) not to exceed $7,200 Utilities Handling Fee: $120

$ 7,320.00

$ 32,982.80

HW684

DC021B

FLORIDA DEPARTMENT OF

Environmental Protection

Bob Martinez Center

2600 Blair Stone Road Tallahassee, FL 32399-2400

Ron DeSantis Governor

Jeanette Nuñez

Lt. Governor

Shawn Hamilton Interim Secretary

TO: HW684 Contract File McNatt's Cleaners

ERIC_4716

Tampa, Hillsborough County

FROM: Kevin Kane, Contract Manager

DATE: April 6, 2023

SUBJECT: Task Assignment Summary

HW684 TA DC021B

Operations & Maintenance (O&M)

GHD Services, Inc. (GHD) will conduct 12 months of O&M. Specific subtasks are detailed below:

Subtask 1: Project Management Project Management is calculated at 13% of the direct labor.

Subtask 2: Six Months O&M (April 2023 through September 2023) GHD personnel will verify system operations and collect vacuum and flow data for the overall system and at each individual well leg during monthly site visits. Groundwater monitoring will be conducted in April 2023 in order to evaluate volatile organic, ammonia, dissolved gas, and total organic carbon concentration trends. Prior to sampling, depth to water measurements will be gathered from all available wells. Sampling will be conducted in accordance with FDEP SOPs. Monitor wells MW001, MW002, MW005, MW009, MW020, MW021, MW023, MW028, and MW029 will be sampled and analyzed for volatile organics. The groundwater sample from MW021 will also be analyzed for ammonia. The groundwater samples from MW001, MW0021, and MW028 will be analyzed for the presence of total organic carbon (TOC). Groundwater samples from MW001, MW009, and MW021 will be analyzed for the dissolved gases (ethane, ethene, and methane). Dissolved gas analysis is recommended in order to evaluate the potential for methane gas accumulation beneath and in the vicinity of the subject drycleaner.

Quality Control samples will be collected for the dissolved gas analysis and will include an equipment blank and a blind field duplicate. Following receipt of analytical data and completion of quarterly O&M visits, a Remedial Action Status Report will be prepared.

The report will include a summary of analytical data and recommendations for additional monitoring and/or SVE operations.

Subtask 3: 6 months of utilities (April through September 2023) Costs associated with 6 months of utilities are included in Subtask 3. In accordance with the approved RAP Modification, GHD will continue SVE operations during quarterly monitoring in order to mitigate the potential for methane accumulation. The SVE system will operate with all wells open and the system will be checked during periodic visits.

Subtask 4: O&M and Semi-annual Groundwater Monitoring GHD personnel will verify system operations and collect vacuum and flow data for the overall system and at each individual well leg. Semi-annual groundwater monitoring will be conducted in September 2023 (representing two years following remedial injections) in order to evaluate volatile organic, ammonia, dissolved gas, and total organic carbon concentration trends. Prior to sampling, depth to water measurements will be gathered from all available wells. Sampling will be conducted in accordance with FDEP SOPs.

Monitor wells MW001, MW005, MW009, MW020, MW021, and MW028 will be sampled and analyzed for volatile organics. The groundwater sample from MW021 will also be analyzed for ammonia. The groundwater samples from MW001, MW0021, and MW028 will be analyzed for the presence of total organic carbon (TOC). Groundwater samples from MW001, MW009, and MW021 will be analyzed for the dissolved gases (ethane, ethene, and methane). Dissolved gas analysis is recommended in order to evaluate the potential for methane gas accumulation beneath and in the vicinity of the subject drycleaner. Quality Control samples will be collected for the dissolved gas analysis and will include an equipment blank and a blind field duplicate.

Subtask 5: 6 months of utilities (October 2023 through March 2024) Costs associated with 6 months of utilities are included in Subtask 3. In accordance with the approved RAP Modification, GHD will continue SVE operations during quarterly monitoring in order to mitigate the potential for methane accumulation. The SVE system will operate with all wells open and the system will be checked during periodic visits.

Subcontractors for investigation derived waste (IDW) disposal were chosen on a lowest-cost basis.

GHD and the FDEP confirmed on April 4, 2023, that an Access Agreement with the current real property owner of the aforementioned site has been executed.

Documentation of the costs is included in the attached CEF, Level-of-Effort sheets, and the GHD proposal submitted on February 27, 2023. Specific. The final deliverable due date is May 3, 2024, and the completion date for the task assignment is August 9, 2024.

The final cost total for Task Assignment DC021B is $32,982.80.

FDEP COST ESTIMATEContractor: GHD Services Inc.

Date: 04/03/23

Task #: DC021B SubTask 1 Project Management SubTask 6

Site: McNatts Cleaners SubTask 2 O&M (6 months) SubTask 7

Activity/Phase: O&M SubTask 3 Utilities SubTask 8

Project Manager: Brian Moore, PE SubTask 4 O&M (6 months) SubTask 9

SubTask 5 Utilities SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Labor Rate Category

$44.81 Project Manager JM 10.70 10.7 $51.08 Sr Professional Engineer JH 2.00 1.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 $44.81 Project Manager/ Engine JM 40.00 20.00 0.00 20.00 0.00 0.00 0.00 0.00 0.00 0.00 $20.53 Senior Technician SA 37.50 19.50 0.00 18.00 0.00 0.00 0.00 0.00 0.00 0.00 $24.89 Senior Technician WM 19.00 11.00 0.00 8.00 0.00 0.00 0.00 0.00 0.00 0.00 $29.69 Drafting Technician PM 8.00 4.00 0.00 4.00 0.00 0.00 0.00 0.00 0.00 0.00 $23.16 Administrative Assistant DA 14.00 7.50 0.00 6.50 0.00 0.00 0.00 0.00 0.00 0.00

Total Hours 131.20 10.70 63.00 0.00 57.50 0.00 0.00 0.00 0.00 0.00 0.00

Direct Labor $4,179.99 $480.88 $1,913.87 $0.00 $1,785.24 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Overhead 129.80% $5,425.62 $624.18 $2,484.20 $0.00 $2,317.24 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Gen & Admin 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fringe 37.80% $1,580.03 $181.77 $723.44 $0.00 $674.82 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Labor $11,185.64 $1,286.83 $5,121.51 $0.00 $4,777.30 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Travel Vehicle Rental $720.00 $360.00 $0.00 $360.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $720.00 $360.00 $0.00 $360.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

REV: 02/03 Page 1

FDEP COST ESTIMATEContractor: GHD Services Inc.

Date: 04/03/23

Task #: DC021B SubTask 1 Project Management SubTask 6

Site: McNatts Cleaners SubTask 2 O&M (6 months) SubTask 7

Activity/Phase: O&M SubTask 3 Utilities SubTask 8

Project Manager: Brian Moore, PE SubTask 4 O&M (6 months) SubTask 9

SubTask 5 Utilities SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Subcontractor (Equipment Procurement)

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Procurement Fee $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor (Services Procurement)

IDW $220.00 $110.00 $0.00 $110.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Utilities $14,400.00 $0.00 $7,200.00 $0.00 $7,200.00 $0.00 $0.00 $0.00 $0.00 $0.00 Subcontractor Subtotal $14,620.00 $110.00 $7,200.00 $110.00 $7,200.00 $0.00 $0.00 $0.00 $0.00 $0.00 Handling Fee $262.00 $11.00 $120.00 $11.00 $120.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $14,882.00 $121.00 $7,320.00 $121.00 $7,320.00 $0.00 $0.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $2,763.00 $1,671.00 $0.00 $1,092.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fast Turnaround Charges $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Sample Shipping $313.00 $156.50 $0.00 $156.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $3,076.00 $1,827.50 $0.00 $1,248.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $240.00 $120.00 $0.00 $120.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Drilling related) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $1,560.60 $802.50 $0.00 $758.10 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (IDW related) $200.00 $100.00 $0.00 $100.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Other) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Field Expenses $2,000.60 $1,022.50 $0.00 $978.10 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subtotal $31,864.24 $1,286.83 $8,452.51 $7,320.00 $7,484.90 $7,320.00 $0.00 $0.00 $0.00 $0.00 $0.00 Completion Fee $1,118.56 $128.68 $512.15 $0.00 $477.73 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Total Estimated Cost $32,982.80 $1,415.51 $8,964.66 $7,320.00 $7,962.63 $7,320.00 $0.00 $0.00 $0.00 $0.00 $0.00

REV: 02/03 Page 2

LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : McNatts Cleaners SUBTASK 2: O&M (6 months)

DATE: 04/03/23

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Sr. Professional Engineer JH Conclusions Recommendations - semi-annual summary 1

Project Manager JM Prepare field scope of work (2 quarterly visits) 2 Project Manager JM Analyze O&M data (calculate flow rates and vacuums) - 1 hr per qtr 2 Project Manager JM Summarize O&M activities and system operations - remedial action status report 8 Project Manager JM Summarize semi-annual groundwater sampling methods - remedial action status report 1 Project Manager JM Summarize semi-annual groundwater elevation data (shallow/deep) - remedial action status report 2 Project Manager JM Summarize semi-annual groundwater field parameters - remedial action status report 2 Project Manager JM Summarize semi-annual groundwater analytical results - remedial action status report 2 Project Manager JM Conclusions/Recommendations - remedial action status report 1

Senior Technician SA Mob/Demob (3 total) 3 Senior Technician SA O&M for SVE System (2 quarters) 8 Senior Technician SA Water Levels (all wells - 32 total) 2.5 Senior Technician SA Groundwater Sampling (4 wells) 6

19.5

Senior Technician WM Mob/demob 1 Senior Technician WM Water Levels (all wells - 32 total) 2.5 Senior Technician WM Groundwater Sampling (5 wells) 7.5

Drafting Technician PM Groundwater Elevation Figures (shallow / deep) 2 Drafting Technician PM Groundwater Analytical Figures (shallow / deep) 2

Staff Assistants DA Input field data (2 O&M Site Visits) 1.5 Staff Assistants DA Input field data (wls and 9 wells) 1.5 Staff Assistants DA Update summary tables (O&M and groundwater) 2.5 Staff Assistants DA Prepare semi-annual summary 2

7.5

TOTAL LABOR 63

VEHICLE TYPE RATE UNIT USEAGE

Company Truck $120.00 day 3 $360.00

TOTAL VEHICLE $360.00

FINAL --7/24/96

PER DIEM STAFF RATE UNIT USEAGE

$0.00 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Erwin Remediation IDW Disposal $110 drum 1 $110.00

TOTAL $110.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOHs 8260 $73.00 9 $657.00 ammonia SM4500 $24.00 1 $24.00 total organic carbon 9060 $30.00 3 $90.00 Dissolved Gases RSK 175 $180.00 3 2 $900.00 shipping arge cooler (1 day) $150.00 1 $150.00

Ice $6.50 1 $6.50

TOTAL LAB $1,827.50

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables

Expendables $40.00 day 3 $120.00

Equipment (Analytical Related)

Groundwater Sampling Kit $290.00 day 2 $580.00 Poly Tubing $0.30 ft 305 $91.50 Silicon Tubing $3.00 ft 9 $27.00 Anemometer $33.00 day 2 $66.00 Vacuum Gauges $19.00 day 2 $38.00

Equipment (IDW related)

Drum $100.00 drum 1 $100.00

TOTAL EQUIPMENT $1,022.50

SUBTASK 3: Utilities

DATE: 04/03/23

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

TOTAL LABOR 0

VEHICLE TYPE RATE UNIT USEAGE

$0.00

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

$0.00 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TECO Monthly Utility Charges $1,200 month 6 $7,200.00 Handling Fee $20 month 6 $120.00

TOTAL $7,320.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

$0.00 $0.00 $0.00 $0.00 $0.00 $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables

Equipment (Analytical Related)

Equipment (IDW related)

TOTAL EQUIPMENT $0.00

SUBTASK 4: O&M (6 months)

DATE: 04/03/23

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Sr. Professional Engineer JH Conclusions Recommendations - semi-annual summary 1

Project Manager JM Prepare field scope of work (2 quarterly visits) 2 Project Manager JM Analyze O&M data (calculate flow rates and vacuums) - 1 hr per qtr 2 Project Manager JM Summarize O&M activities and system operations - semi-annual summary 8 Project Manager JM Summarize semi-annual groundwater sampling methods - semi-annual summary 1 Project Manager JM Summarize semi-annual groundwater elevation data (shallow/deep) - semi-annual summary 2 Project Manager JM Summarize semi-annual groundwater field parameters - semi-annual summary 2 Project Manager JM Summarize semi-annual groundwater analytical results - semi-annual summary 2 Project Manager JM Conclusions/Recommendations - semi-annual summary 1

Senior Technician SA Mob/Demob (3 total) 3 Senior Technician SA O&M for SVE System (2 quarters) 8 Senior Technician SA Water Levels (all wells - 32 total) 2.5 Senior Technician SA Groundwater Sampling (3 wells) 4.5

Senior Technician WM Mob/demob 1 Senior Technician WM Water Levels (all wells - 32 total) 2.5 Senior Technician WM Groundwater Sampling (3 wells) 4.5

Drafting Technician PM Groundwater Elevation Figures (shallow / deep) 2 Drafting Technician PM Groundwater Analytical Figures (shallow / deep) 2

Staff Assistants DA Input field data (2 O&M Site Visits) 1.5 Staff Assistants DA Input field data (wls and 6 wells) 1 Staff Assistants DA Update summary tables (O&M and groundwater) 2 Staff Assistants DA Prepare semi-annual summary 2

6.5

TOTAL LABOR 57.5

VEHICLE TYPE RATE UNIT USEAGE

Company Truck $120.00 day 3 $360.00

TOTAL VEHICLE $360.00

PER DIEM STAFF RATE UNIT USEAGE

$0.00 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Erwin Remediation IDW Disposal $110 drum 1 $110.00

TOTAL $110.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOHs 8260 $73.00 6 $438.00 ammonia SM4500 $24.00 1 $24.00 total organic carbon 9060 $30.00 3 $90.00 Dissolved Gases RSK 175 $180.00 3 $540.00 shipping arge cooler (1 day) $150.00 1 $150.00

Ice $6.50 1 $6.50

TOTAL LAB $1,248.50

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables

Expendables $40.00 day 3 $120.00

Equipment (Analytical Related)

Groundwater Sampling Kit $290.00 day 2 $580.00 Poly Tubing $0.30 ft 187 $56.10 Silicon Tubing $3.00 ft 6 $18.00 Anemometer $33.00 day 2 $66.00 Vacuum Gauges $19.00 day 2 $38.00

Equipment (IDW related)

Drum $100.00 drum 1 $100.00

TOTAL EQUIPMENT $978.10

SUBTASK 5: Utilities

DATE: 04/03/23

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

TOTAL LABOR 0

VEHICLE TYPE RATE UNIT USEAGE

$0.00

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

$0.00 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TECO Monthly Utility Charges $1,200 month 6 $7,200.00 Handling Fee $20 month 6 $120.00

TOTAL $7,320.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

$0.00 $0.00 $0.00 $0.00 $0.00 $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables

Equipment (Analytical Related)

Equipment (IDW related)

TOTAL EQUIPMENT $0.00

COST PROPOSAL FOR TASK DC021B

McNatt’s Cleaners, 299501069

12 Months O&M

1. INTRODUCTION:

GHD submitted a Remedial Action Plan (RAP) Modification in March 2017 that was approved by the Department. Based on the results of recent performance monitoring, it appeared that carbon and nutrient limitations again existed in the subsurface that were inhibiting further reductive dechlorination processes. As recommended and approved by FDEP, GHD completed an additional remedial injection event consistent with the RAP Modification in late January 2021. As part of the RAP Modification monitoring, periodic groundwater sampling and SVE system operation was recommended. Task DC021B includes 12 additional months of SVE system operation (to mitigate methane accumulation) and semi-annual groundwater monitoring (to evaluate remedial performance). Since the RAP Modification specified an initial year of monitoring with data evaluation, quarterly sampling is not recommended at this time.

Subtask 1-Project Management Includes all tasks associated with project management for the continued SVE system operations and performance groundwater monitoring.

Subtask 2 – O&M and Annual Groundwater Monitoring SVE system performance will be verified during quarterly site visits. Specifically, GHD personnel will verify system operations and collect vacuum and flow data for the overall system and at each individual well leg. No soil vapor sampling has been recommended as part of the semi-annual monitoring.

Groundwater monitoring will be conducted in March 2023 (representing two years following remedial injections) in order to evaluate volatile organic, ammonia, dissolved gas, and total organic carbon concentration trends. Prior to sampling, depth to water measurements will be gathered from all available wells. Sampling will be conducted in accordance with FDEP SOPs.

Monitor wells MW001, MW002, MW005, MW009, MW020, MW021, MW023, MW028, and MW029 will be sampled and analyzed for volatile organics. The groundwater sample from MW021 will also be analyzed for ammonia. The groundwater samples from MW001, MW0021, and MW028 will be analyzed for the presence of total organic carbon (TOC).

Groundwater samples from MW001, MW009, and MW021 will be analyzed for the dissolved gases (ethane, ethene, and methane). Dissolved gas analysis is recommended in order to evaluate the potential for methane gas accumulation beneath and in the vicinity of the subject drycleaner. Quality Control samples will be collected for the dissolved gas analysis and will include an equipment blank and a blind field duplicate.

Following receipt of analytical data and completion of quarterly O&M visits, a Remedial Action Status Report will be prepared. The Report will include a summary of analytical data and recommendations for additional monitoring and/or SVE operations.

Subtask 3 – 6 months of utilities (April through September 2023) In accordance with the approved RAP Modification, GHD will continue SVE operations during quarterly monitoring in order to mitigate the potential for methane accumulation. The SVE system will operate with all wells open and the system will be checked during periodic visits. Costs associated with 6 months of utilities are included in Subtask 3. The necessity for continued SVE operation will be evaluated following collection of dissolved gas samples each quarter.

Subtask 4 – O&M and Semi-annual Groundwater Monitoring SVE system performance will be verified during quarterly site visits. Specifically, GHD personnel will verify system operations and collect vacuum and flow data for the overall system and at each individual well leg. No soil vapor sampling has been recommended as part of the semi-annual monitoring.

Semi-annual groundwater monitoring will be conducted in September 2023 (representing two years following remedial injections) in order to evaluate volatile organic, ammonia, dissolved gas, and total organic carbon concentration trends. Prior to sampling, depth to water measurements will be gathered from all available wells. Sampling will be conducted in accordance with FDEP SOPs. Monitor wells MW001, MW005, MW009, MW020, MW021, and MW028 will be sampled and analyzed for volatile organics. The groundwater sample from MW021 will also be analyzed for ammonia. The groundwater samples from MW001, MW0021, and MW028 will be analyzed for the presence of total organic carbon (TOC).

Groundwater samples from MW001, MW009, and MW021 will be analyzed for the dissolved gases (ethane, ethene, and methane). Dissolved gas analysis is recommended in order to evaluate the potential for methane gas accumulation beneath and in the vicinity of the subject drycleaner. Quality Control samples will be collected for the dissolved gas analysis and will include an equipment blank and a blind field duplicate.

Following receipt of analytical data and completion of quarterly O&M visits, a Remedial Action Status Report will be prepared. The Report will include a summary of analytical data and recommendations for additional monitoring and/or SVE operations.

Subtask 5 – 6 months of utilities (October 2023 through March 2024) In accordance with the approved RAP Modification, GHD will continue SVE operations during quarterly monitoring in order to mitigate the potential for methane accumulation. The SVE system will operate with all wells open and the system will be checked during periodic visits. Costs associated with 6 months of utilities are included in Subtask 3. The necessity for continued SVE operation will be evaluated following collection of dissolved gas samples each quarter.

Deliverables:

Deliverable Deliverable Due Date

Remedial Action Status Report 9/29/23

Paid Utility Receipts (April through September 2023), includes cost reimbursement of $7,200 and handling fee of $120 10/6/23

Remedial Action Status Report 4/26/24

Paid Utility Receipts (October 2023 through March 2024), includes cost reimbursement of $7,200 and handling fee of $120 5/3/24

408 Ditmar Street

Pensacola, FL 32503

ErwinRemediation@Gmail.com - P.O. Box 884 Gulf Breeze, FL 32562

(850) 292-6511

To: Mr. Brian Moore

GHD

5904 Hampton Oaks Parkway – Suite F

Tampa, FL 33610

May 23, 2022

Re: Transportation and Disposal of Non-Hazardous Soil and Water – Florida

Mr. Moore:

The price for disposal of drums of non-hazardous soil or groundwater located in the State of Florida will be $110.00 per drum, for both transportation and disposal.

This pricing is valid for all regions in the State of Florida except for the Florida Keys.

Pricing for sites located in the Florida Keys will be bid on a case-by-case basis dependent on the volume of drums and the location.

This quote is valid for 180 days.

Respectfully, Jonathan Erwin

Erwin Remediation, Inc.

Email: ErwinRemediation@Gmail.com

Office: (850) 292-6511 mailto:Remediation@Gmail.com

6/28/22, 10:23 AM Clark Environmental Inc.: Quote Builder quote.clarkenvironmental.com/Quotes/ViewQuote?quoteId=19644 1/2

Quote Number: 19644

QUOTE

QUOTED TO: Brian Moore

QUOTE DATE: 1/1/2022

COMPANY NAME: GHD - 2022 QUOTED BY: Craig Burns

PHONE NUMBER:

Ext.

FAX NUMBER:

PROJECT REFERENCE: Drum Trans & Disposal for non-haz materials - Petro, Dry Cleaner & PFAS

CUSTOMER PO:

CONTACT EMAIL:

SITE ADDRESS: TBD

CLARK ENVIRONMENTAL, INC. IS PLEASED TO PROVIDE THE FOLLOWING

COST ESTIMATE FOR

THE SITE/ PROJECT LISTED ABOVE.

DESCRIPTION PRICE QTY. UNIT TOTAL

NON HAZ DRUM DISPOSAL**Soils, Solids, Sludges** $80.00 DRUM $0.00

NON HAZ DRUM DISPOSAL**Liquids, PPE, Pads/Rags** $60.00 DRUM $0.00

TRANSPORTATION: 0-100 miles from CLARK Mulberry FL <6 drums/site - surcharge of $50/site

$30.00 DRUM $0.00

TRANSPORTATION: 101-250 miles from CLARK Mulberry FL <6 drums/site - surcharge of $50/site

$40.00 DRUM $0.00

TRANSPORTATION: 251-400 miles from CLARK Mulberry FL <11 drums/site - surcharge of $200/site

$50.00 DRUM $0.00

Totes T&D is available. CLARK can also deliver new drums to each site if needed :$40 + tax

$0.00 . $0.00

HAZ Drums to be quoted case-by-case $0.00 . $0.00

OPTIONAL LINE ITEMS

***10% FSC applied to the total cost of the invoice*** $0.00 . $0.00

TOTAL REQUIRED ITEMS $0.00

TOTAL OPTIONAL ITEMS $0.00

GRAND TOTAL $0.00

NOTES: Rates apply for FL. Labs and profiles must be approved prior to pick ups.

**Petro Sites required: TCLP 4 metals & TCLP Benzene**Dry Cleaner Sites require 8260 VOH's** Craig Burns

863.327.6289 - cburns@clarkenv.com

This quote will remain valid for 2022 and based on payment in net 30 days. Quote based on an accepted and approved profile. Please sign and return to accept this quotation and by signing agree to all terms and conditions.

quote.clarkenvironmental.com/Quotes/ViewQuote?quoteId=19644 2/2

Name (print) Title

Signature Date

CLARK ENVIRONMENTAL, INC. * 755 Prairie Industrial Pkwy. * Mulberry, Florida 33860 Telephone: 863-425-4884 * Fax: 863-425-2854

WWW.ClarkEnvironmental.com

From: Craig Burns To: Brian Moore Subject: GHD_IDW Drum Rates FL Date: Tuesday, June 28, 2022 10:26:46 AM Attachments: image001.png image002.png image003.png image004.png image005.png GHD Drum Rates FL 2022.pdf

Here you go Brian. I do this for a lot of engineering/consulting firms.

Be aware of the low stop less than 6 drums at $50/flat Be aware of the 10% to the total cost for FSC (implemented April 15).

Pass around the GHD Florida offices

From: Brian Moore <Brian.Moore@ghd.com> Sent: Tuesday, June 28, 2022 10:05 AM To: Craig Burns <cburns@clarkenvironmental.com> Subject: IDW Drums

Craig, Is it possible to provide a generic quote for IDW water disposal.

Assumption is non-haz with necessary analytical Maybe provide a range of locations

South florida or central florida, or both?

Thanks in advance

We have many sites that we generate 1 gw drum of IDW and would like to streamline the vendor coordination

BRIAN MOORE PE

GHD

Proudly employee owned | ghd.com 5904 Hampton Oaks Parkway Suite F Tampa FL 33610 USA O 813 971 3882 D 813 257 0658 M 813 335 2147 E brian.moore@ghd.com

The Power of Commitment

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Please consider our environment before printing this email

CONFIDENTIALITY NOTICE: This email, including any attachments, is confidential and may be privileged. 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quote.clarkenvironmental.com/Quotes/ViewQuote?quoteId=19644 1/2

Quote Number: 19644

QUOTE

QUOTED TO: Brian Moore

QUOTE DATE: 1/1/2022

COMPANY NAME: GHD - 2022 QUOTED BY: Craig Burns

PHONE NUMBER:

Ext.

FAX NUMBER:

PROJECT REFERENCE: Drum Trans & Disposal for non-haz materials - Petro, Dry Cleaner & PFAS

CUSTOMER PO:

CONTACT EMAIL:

SITE ADDRESS: TBD

CLARK ENVIRONMENTAL, INC. IS PLEASED TO PROVIDE THE FOLLOWING

COST ESTIMATE FOR

THE SITE/ PROJECT LISTED ABOVE.

DESCRIPTION PRICE QTY. UNIT TOTAL

NON HAZ DRUM DISPOSAL**Soils, Solids, Sludges** $80.00 DRUM $0.00

NON HAZ DRUM DISPOSAL**Liquids, PPE, Pads/Rags** $60.00 DRUM $0.00

TRANSPORTATION: 0-100 miles from CLARK Mulberry FL <6 drums/site - surcharge of $50/site

$30.00 DRUM $0.00

TRANSPORTATION: 101-250 miles from CLARK Mulberry FL <6 drums/site - surcharge of $50/site

$40.00 DRUM $0.00

TRANSPORTATION: 251-400 miles from CLARK Mulberry FL <11 drums/site - surcharge of $200/site

$50.00 DRUM $0.00

Totes T&D is available. CLARK can also deliver new drums to each site if needed :$40 + tax

$0.00 . $0.00

HAZ Drums to be quoted case-by-case $0.00 . $0.00

OPTIONAL LINE ITEMS

***10% FSC applied to the total cost of the invoice*** $0.00 . $0.00

TOTAL REQUIRED ITEMS $0.00

TOTAL OPTIONAL ITEMS $0.00

GRAND TOTAL $0.00

NOTES: Rates apply for FL. Labs and profiles must be approved prior to pick ups.

**Petro Sites required: TCLP 4 metals & TCLP Benzene**Dry Cleaner Sites require 8260 VOH's** Craig Burns

863.327.6289 - cburns@clarkenv.com

This quote will remain valid for 2022 and based on payment in net 30 days. Quote based on an accepted and approved profile. Please sign and return to accept this quotation and by signing agree to all terms and conditions.

quote.clarkenvironmental.com/Quotes/ViewQuote?quoteId=19644 2/2

Name (print) Title

Signature Date

CLARK ENVIRONMENTAL, INC. * 755 Prairie Industrial Pkwy. * Mulberry, Florida 33860 Telephone: 863-425-4884 * Fax: 863-425-2854

WWW.ClarkEnvironmental.com delete it; you should not copy it or use it for any purpose or disclose its contents to any other person. GHD and its affiliates reserve the right to monitor and modify all email communications through their networks.

Whatever Waste, LLC 3834 Mandarin Woods Dr. No.

Jacksonville, Florida 32223 United States 904.881.1957

Brian Moore PE

GHD

5904 Hampton Road Parkway Suite F Tampa, FL 33610

Estimate Number 062922.1

Notes Dry Cleaner Site Locations: Central and South Florida Regions excluding Florida Keys Required analytical data for non-haz disposal acceptance would be VOCs and includes waste profiling assistance if the IDW-GW drums don't fall under a blanket waste profile DOT shippable drums must be on a hard surface at each accessible location

Terms Non-hazardous IDW drum pickup, transport and disposal pricing is based on per service event No-load drum fee if unable to pickup drums on any site in Central FL is $150; in South FL is $200 Pricing is valid or subject to change on a monthly basis in part due to escalating fuel prices Payment required within 45 days after email receipt of invoice

Indemnification: Each party agrees to indemnify, defend and hold harmless each other for and from any loss

Estimate Date 06/29/2022

Description Rate Qty Line Total

IDW-GW Drum Transport & Disposal - Central FL Sites

(1) Regional Stop Fee $600 - then $150 per 55-gal drum < 10 drums

$150.00 1 $150.00

IDW-GW Drum Transport & Disposal - Central FL Sites

(1) Regional Stop Fee $300 - then $150 per 55-gal drum > 10 drums

$150.00 1 $150.00

IDW-GW Drum Transport & Disposal - South FL Sites

(1) Regional Stop Fee $850 - then $200 per 55-gal drum < 10 drums

$200.00 1 $200.00

IDW-GW Drum Transport & Disposal - South FL Sites

(1) Regional Stop Fee $425 - then $200 per 55-gal drum > 10 drums

$200.00 1 $200.00

Subtotal

Tax

700.00

0.00

Estimate Total (USD) $700.00 or liability arising out of the party's breach of this agreement, scope of work, except for gross negligence, willful misconduct or bad faith.

ID Task Mode

Task Name Duration Start Finish

1 LOE Submittal/Approval 94 days Tue 10/25/22 Fri 3/3/23

2 Subtask 1: Project Manageme271 days Wed 10/26/22Wed 11/8/23

3 Subtask 2: Semi‐Annual O&M105 days Fri 3/3/23 Thu 7/27/23

4 Field Work Preparation 2 wks Fri 3/3/23 Thu 3/16/23

5 O&M 1 day Fri 3/17/23 Fri 3/17/23

6 Groundwater Sampling 1 day Sat 3/18/23 Sat 3/18/23

7 O&M 1 day Tue 6/13/23 Tue 6/13/23

8 Remedial Action Status Repo5 wks Fri 6/23/23 Thu 7/27/23

9 Subtask 3: Utilities (6 months)6.5 mons Fri 3/3/23 Thu 8/31/23

10 Subtask 4: Semi‐Annual O&M107 days Wed 8/30/23 Thu 1/25/24

11 Field Work Preparation 2 wks Wed 8/30/23 Tue 9/12/23

12 O&M 1 day Wed 9/13/23 Wed 9/13/23

13 Groundwater Sampling 1 day Thu 9/14/23 Thu 9/14/23

14 O&M 1 day Wed 12/13/23Wed 12/13/2

15 Remedial Action Status Repo5 wks Fri 12/22/23 Thu 1/25/24

16 Subtask 5: Utilities (6 months)6.6 mons Fri 9/1/23 Mon 3/4/24

10/1610/2310/3011/611/1311/2011/2712/412/1112/1812/25 1/1 1/8 1/15 1/22 1/29 2/5 2/12 2/19 2 November December January February

Task

Split

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Summary

Project Summary

Inactive Task

Inactive Milestone

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Progress

Manual Progress

Schedule for the Implementation of Task DC021B at the McNatts Cleaners site located in Tampa, Hillsborough County

Project: TA_021B Date: Mon 2/27/23

Task Name Duration Start Finish

1 LOE Submittal/Approval 94 days Tue 10/25/22 Fri 3/3/23

2 Subtask 1: Project Manageme271 days Wed 10/26/22Wed 11/8/23

3 Subtask 2: Semi‐Annual O&M105 days Fri 3/3/23 Thu 7/27/23

4 Field Work Preparation 2 wks Fri 3/3/23 Thu 3/16/23

5 O&M 1 day Fri 3/17/23 Fri 3/17/23

6 Groundwater Sampling 1 day Sat 3/18/23 Sat 3/18/23

7 O&M 1 day Tue 6/13/23 Tue 6/13/23

8 Remedial Action Status Repo5 wks Fri 6/23/23 Thu 7/27/23

9 Subtask 3: Utilities (6 months)6.5 mons Fri 3/3/23 Thu 8/31/23

10 Subtask 4: Semi‐Annual O&M107 days Wed 8/30/23 Thu 1/25/24

11 Field Work Preparation 2 wks Wed 8/30/23 Tue 9/12/23

12 O&M 1 day Wed 9/13/23 Wed 9/13/23

13 Groundwater Sampling 1 day Thu 9/14/23 Thu 9/14/23

14 O&M 1 day Wed 12/13/23Wed 12/13/2

15 Remedial Action Status Repo5 wks Fri 12/22/23 Thu 1/25/24

16 Subtask 5: Utilities (6 months)6.6 mons Fri 9/1/23 Mon 3/4/24

Jenna Martin

Skylar Albritton

Skylar Albritton,William McKinney

Skylar Albritt

2/26 3/5 3/12 3/19 3/26 4/2 4/9 4/16 4/23 4/30 5/7 5/14 5/21 5/28 6/4 6/11 6/18 6/25 7/2 7 March April May June July

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Finish-only

External Tasks

External Milestone

Deadline

Progress

Manual Progress

Schedule for the Implementation of Task DC021B at the McNatts Cleaners site located in Tampa, Hillsborough County

Task Name Duration Start Finish

1 LOE Submittal/Approval 94 days Tue 10/25/22 Fri 3/3/23

2 Subtask 1: Project Manageme271 days Wed 10/26/22Wed 11/8/23

3 Subtask 2: Semi‐Annual O&M105 days Fri 3/3/23 Thu 7/27/23

4 Field Work Preparation 2 wks Fri 3/3/23 Thu 3/16/23

5 O&M 1 day Fri 3/17/23 Fri 3/17/23

6 Groundwater Sampling 1 day Sat 3/18/23 Sat 3/18/23

7 O&M 1 day Tue 6/13/23 Tue 6/13/23

8 Remedial Action Status Repo5 wks Fri 6/23/23 Thu 7/27/23

9 Subtask 3: Utilities (6 months)6.5 mons Fri 3/3/23 Thu 8/31/23

10 Subtask 4: Semi‐Annual O&M107 days Wed 8/30/23 Thu 1/25/24

11 Field Work Preparation 2 wks Wed 8/30/23 Tue 9/12/23

12 O&M 1 day Wed 9/13/23 Wed 9/13/23

13 Groundwater Sampling 1 day Thu 9/14/23 Thu 9/14/23

14 O&M 1 day Wed 12/13/23Wed 12/13/2

15 Remedial Action Status Repo5 wks Fri 12/22/23 Thu 1/25/24

16 Subtask 5: Utilities (6 months)6.6 mons Fri 9/1/23 Mon 3/4/24 tton

Jeremy Hess,Jenna Martin,Peter McLean,Debra Andrews

Jenna Martin

Skylar Albritton

Skylar Albritton,William McKinney

7/9 7/16 7/23 7/30 8/6 8/13 8/20 8/27 9/3 9/10 9/17 9/24 10/1 10/810/1510/2210/2911/511/121 August September October November

Task

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Finish-only

External Tasks

External Milestone

Deadline

Progress

Manual Progress

Schedule for the Implementation of Task DC021B at the McNatts Cleaners site located in Tampa, Hillsborough County

Task Name Duration Start Finish

1 LOE Submittal/Approval 94 days Tue 10/25/22 Fri 3/3/23

2 Subtask 1: Project Manageme271 days Wed 10/26/22Wed 11/8/23

3 Subtask 2: Semi‐Annual O&M105 days Fri 3/3/23 Thu 7/27/23

4 Field Work Preparation 2 wks Fri 3/3/23 Thu 3/16/23

5 O&M 1 day Fri 3/17/23 Fri 3/17/23

6 Groundwater Sampling 1 day Sat 3/18/23 Sat 3/18/23

7 O&M 1 day Tue 6/13/23 Tue 6/13/23

8 Remedial Action Status Repo5 wks Fri 6/23/23 Thu 7/27/23

9 Subtask 3: Utilities (6 months)6.5 mons Fri 3/3/23 Thu 8/31/23

10 Subtask 4: Semi‐Annual O&M107 days Wed 8/30/23 Thu 1/25/24

11 Field Work Preparation 2 wks Wed 8/30/23 Tue 9/12/23

12 O&M 1 day Wed 9/13/23 Wed 9/13/23

13 Groundwater Sampling 1 day Thu 9/14/23 Thu 9/14/23

14 O&M 1 day Wed 12/13/23Wed 12/13/2

15 Remedial Action Status Repo5 wks Fri 12/22/23 Thu 1/25/24

16 Subtask 5: Utilities (6 months)6.6 mons Fri 9/1/23 Mon 3/4/24

Skylar Albritton

Jeremy Hess,Jenna Martin,Peter Mc

11/1911/2612/312/1012/1712/2412/31 1/7 1/14 1/21 1/28 2/4 2/11 2/18 2/25 3/3 3/10 3/17 3/24 3 December January February March

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Progress

Manual Progress

Schedule for the Implementation of Task DC021B at the McNatts Cleaners site located in Tampa, Hillsborough County