CN-370000-HW683-DC02FCO2.pdf

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Attached to
Master Agreement FL|HW683|90e8124b5a65e607dedb86d39c72016e
Contract number
HW683
Issued by
Florida

About this file

This document package contains Task Assignment Change Orders (TACOs) between the State of Florida Department of Environmental Protection (FDEP) and Geosyntec Consultants, Inc. for remediation services at the Colonial Drycleaners/Touch of Class Drycleaners site located in Greenacres, Palm Beach County, Florida (FDEP Facility ID ERIC_5222). The contract is identified as HW683, with Task Assignment DC002F. The project involves operation and maintenance of a soil vapor extraction (SVE) system and groundwater monitoring at the contaminated site, with oversight by FDEP Project Manager Sarah Aduwa and contractor Project Manager Nick Barnes.

The contract encompasses a 12-month period of SVE system operation and maintenance following system restart, including groundwater sampling, monthly O&M activities, soil vapor sampling, investigation-derived waste (IDW) management, and utilities. The original Task Assignment was valued at $65,267.78, with TACO #1 reducing costs by $1,288.22 to $63,979.55, and TACO #2 further reducing costs by $795.73 to a final total of $63,183.83. Cost reductions resulted from staffing changes (Eliana Carmona replacing Ryan Temple for field activities) and removal of inadvertently included expenses. The contract includes fixed unit rates with a utilities component capped at $4,200.00 annually plus a $240 handling fee. Deliverables are scheduled through December 2026 and include system restart documentation, semi-annual and annual O&M reports, and field monitoring reports. Subcontractors include Erwin Remediation for IDW disposal, Water Recovery LLC for waste transportation, and PRM Filtration for telemetry services at $1,350.00 annually.

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Text version

Funding Information:

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

Category Grant # Project # Year Amount

Additional Funding Information attached on separate page.

Rev. 8/17/2020

STATE OF FLORIDA

DEPARTMENT OF ENVIRONMENTAL PROTECTION

Task Assignment Change Order This Change Order is entered into between the Parties named below and amends the Task Assignment (TA) and any previous TA Change Orders (TACO) as follows:

1. TA Number: TACO Number: Contract Number:

TACO Description:

2. Parties State of Florida Department of Environmental Protection (Department)

Department’s Project Manager: Department’s 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 Name:

4. There are no changes to the TA compensation.

The compensation of the TA is changed to the amounts indicated below:

Amended Price Price Prior to TACO Fixed Price:

Fixed Unit Rate: (Extended Price)

Cost Reimbursement:

Total TA Value:

There are no changes to the TA Expiration Date.

The TA Completion Date is changed from ______________ to ______________ (a total of ______ days).

6. There are no changes to the Attachments.

Attachment ___ is replaced with Attachment -____.

7. No Additional Changes.

Additional Changes:

8. All other terms and conditions of the TA remain in effect. If and to the extent that any inconsistencies may appear between the TA and this TACO, the provisions of this TACO shall control.

IN WITNESS WHEREOF, this TACO 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.

DC002F 2 HW683

Sarah Aduwa 850-245-8973 Contractor Geosyntec Contractor

Contractor Nick Barnes Contractor 813-379-4388

ERIC 5222

Colonial Drycleaners/Touch of Class Drycleaners

✔ $ 58,983.83 $ 59,779.55 ✔ $ 4,200.00 $ 4,200.00

$ 63,183.83 $ 63,979.55 ✔ Completion

Completion 02/26/2027 02/26/2027 0

✔ 1 1 1

Geosyntec Contractor Todd Kafka

Contract Manager

Todd K. Kafka, PG (FL) Digitally signed by Todd K. Kafka, PG (FL) Date: 2026.04.02 09:08:35 -04'00'

Jennifer Farrell

Digitally signed by Jennifer Farrell Date: 2026.03.13 12:59:46 -04'00'

This Task Assignment Change Orders authorizes a cost decrease in accordance with Geosyntec scope of work, cost estimate and schedule received on February 17, 2026.

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

Contract Number:

Task Assignment #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

HW683

DC002F

$ 63,183.83

Subtask 2 - SVE System Restart and Groundwater Sampling

Subtask 3 - O&M (Months 2 & 3)

Subtask 4 - O&M (Months 4, 5, & 6) & Reporting

Subtask 5 - O&M (Months 7, 8, & 9)

Subtasks 1 & 6 - Project Management; Reporting

Subtask 7 - Utilities (Months 1-12)

Subtask 2 - Submittal and FDEP approval of the system restart and groundwater sampling field deliverable

Subtask 4 - Submittal and FDEP approval of the Semi-Annual O&M Report

Subtask 5 - Submittal and FDEP approval of the O&M field reports for months 7, 8, &

Subtask 7 - Submittal and FDEP approval of paid utility invoices for months 1-12 Utilities (Cost Plus Fixed Fee) not to exceed $4,200.00 Handling Fee: $240.00

Subtasks 1 & 6 - Submittal and FDEP approval of the Annual O&M Report

Subtask 3 - Submittal and FDEP approval of the O&M field reports for months 2 & 3

11/26/2025

02/18/2026

04/27/2026

07/26/2026

12/27/2026

12/27/2026

$ 8,028.22

$ 12,240.43

$ 12,238.05

$ 8,775.90

$ 17,461.23

$ 4,440.00

To: HW683 Contract Negotiation File Colonial Drycleaners/Touch of Class Drycleaners Greenacres, Palm Beach County, Florida

ERIC_5222

From: Sarah Aduwa, Project Manager Date: March 6, 2026 Subject: Negotiation Summary

HW683_DC002F-2

This Task Assignment Change Orders authorizes a cost decrease in accordance with Geosyntec scope of work, cost estimate and schedule received on February 17, 2026. The TACO #2 decrease is $795.73

Subtask 3,4,6 TACO 2: Due to scheduling conflicts, a change in field staffing occurred, with Eliana Carmona conducting field activities in place of Ryan Temple. A reduction in labor costs is realized based on this change. Soil vapor sample shipping labor was left out of the initial TA inadvertently.

The FDEP Project Manager agrees to the scope of work and final cost associated with this Task Assignment. The final cost is $63,183.83with 309 labor hours.

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LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : Colonial Touch of Class Cleaners SUBTASK: System Restart and GW Sampling

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Senior Professional M. Hensley 3

Project Professional N. Barnes 24

Senior Staff Professional R. Temple

Staff Professional E. Carmona

Drafter/CADD Operator

Administrative Assistant

TOTAL LABOR 50

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 3 $360.00 Subtotal $360.00

TOTAL VEHICLE $360.00

PER DIEM STAFF RATE UNIT USEAGE

N. Barnes Per Diem $36.00 Day 1 $36.00 N. Barnes Hotel $140.00 Day 1 $140.00

TOTAL PER DIEM $176.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Utilities PRM Filtration Telemetry Service Telemetry Costs (annual) $1,350.00 $1,350.00

$0.00 $0.00 Subtotal $1,350.00

TOTAL SUB $1,350.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent, VEW003, VEW004 $200.00 3 0 $600.00 VOHs MW Samples $73.00 6 0 $438.00 TCLP VOCs GAC $210.00 1 0 $210.00 TCLP RCRA 8 Meta GAC $135.00 1 0 $135.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 2 $300.00 Subtotal $300.00

TOTAL LAB $1,683.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day 1 $290.00 Air Sampling Canister (Summa) $33.00 Each 3 $99.00

Subtotal $389.00 IDW Related

Drum (GW Sampling Purge Water) $100.00 Drum 1 $100.00

Subtotal $100.00 Expendables

$40.00 Day 2 $80.00 Subtotal $80.00

Other O&M Kit $360.00 day 1 $360.00 O&M Supplies $75.00 day 1 $75.00 Air Velocity Meter $33.00 day 1 $33.00

$0.00 Subtotal $468.00

TOTAL EQUIPMENT $1,037.00

System restart data and groundwater sampling data interpretation and path forward recommendations.

Generate groundwater elevation contour map, groundwater quality figure, generate ROI figure (3 hrs)

Mobe/Demobe (2 hr/day x 1 day = 2 hrs), SVE system restart troubleshooting/O&M assistance (4 hrs)

Field preparation (1 hr), Mobe/Demobe (2 hr/day x 1 days = 2 hrs), Equipment calibration (0.5 hr/day x 1 days = 0.5 hr), Groundwater sample collection (6 wells x 1.5 hrs/well =9 hrs), S Field notes (0.5 hrs), IDW & Sample Management (2 hrs)

Property/tenant owner notification for system restart and GW sampling events (1 hr).

Mobilization/demobilization for system restart (8 hrs). System restart and O&M event with technical support, system troubleshooting, and ROI test (10 hrs). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr).Prepare system restart and groundwater sampling field deliverable for FDEP (4 hr).

3/6/2026 Page 3 of 8 Subtask 2

SUBTASK: Months 1- 3 O&M

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Senior Professional M. Hensley 2

Project Professional N. Barnes

Senior Staff Professional

R. Temple 12

Staff Professional E. Carmona 25

Drafter/CADD Operator

Administrative Assistant

TOTAL LABOR 48

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 3 $360.00 Subtotal $360.00

TOTAL VEHICLE $360.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 1 0 $200.00

Subtotal $200.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 $0.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $110.00

TOTAL LAB $310.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00

Subtotal $108.00 IDW Related

Drum $100.00 Drum 0 $0.00 Subtotal $0.00

Expendables $40.00 Day 3 $120.00

Subtotal $120.00

Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00

Subtotal $1,404.00

TOTAL EQUIPMENT $1,632.00

Data interpretation and path forward recommendations

ROI/Potentiometric Figures preparation

Property owner notification for each O&M event (1 hr). O&M event technical support and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).

Update O&M progress report tables (2 hr/event = 6 h) ; Prepare field O&M reports to FDEP (2 hr/event x 3 events = 6 hr).

Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr)and vapor sample shipping (1 hr).

3/6/2026 Page 4 of 8 Subtask 3

SUBTASK: Months 4-6 O&M and Reporting

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Senior Professional M. Hensley 3

Project Professional N. Barnes

Senior Staff Professional R. Temple

Staff Professional

Drafter/CADD Operator

Administrative Assistant R. Resinger 1

TOTAL LABOR 64

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 3 $360.00 Subtotal $360.00

TOTAL VEHICLE $360.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation PFAS Profiling Fee (new disposal facility) $350.00 $350.00 Erwin Remedation Drum Disposal (PFAS-Impacted - $195/drum $195.00 $195.00 Erwin Remedation Vapor Phase GAC Disposal $110.00 $110.00

Subtotal $655.00

TOTAL SUB $655.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 1 0 $200.00 VOHs IDW $73.00 1 0 $73.00

Subtotal $273.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 1 $150.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $260.00

TOTAL LAB $533.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day 0 $0.00 Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00

Subtotal $108.00 IDW Related

Drum (MS Contents) $100.00 Drum 1 $100.00 Subtotal $100.00

Expendables $40.00 Day 3 $120.00

Subtotal $120.00

Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00 Air Flow Meter $33.00 day $0.00

Subtotal $1,404.00

TOTAL EQUIPMENT $1,732.00

Format and complile report. PDF preparation/creation.

Semi-Annual O&M Report and path forward recommendations

Figure preparation for Semi-annual O&M Report (ROI, GW Elevation, GW Analytical)

Property owner notification for each O&M event ( 1 hr). O&M event technical support and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).Prepare Semi-Annual O&M Report and PE Certification (8 hr) Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr) and vapor sampling shipping (1 hr). Update O&M progress report tables (2 hrs); Prepare Semi-Annual O&M Report (16 hr)

3/6/2026 Page 5 of 8 Subtask 4

SUBTASK: Months 7-9 O&M

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Senior Professional M. Hensley 2

Project Professional N. Barnes 7

Senior Staff Professional R. Temple 37

Senior Staff Professional

Drafter/CADD Operator

Administrative Assistant

TOTAL LABOR 48

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 3 $360.00 Van Day $0.00

Subtotal $360.00

TOTAL VEHICLE $360.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 1 0 $200.00 VOHs Site monitoring wells $73.00 0 $0.00

Subtotal $200.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 $0.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $110.00

TOTAL LAB $310.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day $0.00 Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00

Subtotal $108.00 Expendables

$40.00 Day 3 $120.00 Subtotal $120.00

Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00

Subtotal $1,404.00

TOTAL EQUIPMENT $1,632.00

Data interpretation and developing recommendations

ROI/Potentiometric Figures preparation

Property owner notification for each O&M event (1 hr). O&M event technical support and and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).

Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr) and vapor sampling shipping (1 hr). O&M progress report tables (2 hr/event) . Prepare field O&M reports to FDEP (2 hr/event x 3 events = 6 hr).

3/6/2026 Page 6 of 8 Subtask 5

SUBTASK: Months 10-12 O&M

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka 2

Senior Professional M. Hensley 3

Project Professional N. Barnes 15

Senior Staff Professional R. Temple 51

Staff Professional

Drafter/CADD Operator

Administrative Assistant R. Resinger 1

TOTAL LABOR 72

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day 3 $360.00 Subtotal $360.00

TOTAL VEHICLE $360.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation IDW liquid (moisture separator) $125.00 $125.00

$0.00 $0.00 Subtotal $125.00

TOTAL SUB $125.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 1 0 $200.00 VOHs IDW sample $73.00 1 0 $73.00

Subtotal $273.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 1 $150.00 Small Cooler (0 to 25 lbs) $110.00 1 $110.00

Subtotal $260.00

TOTAL LAB $533.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day $0.00 Water Level Meter $25.00 Day 3 $75.00 Air Sampling Canister (Summa) $33.00 Day/Each 1 $33.00

Subtotal $108.00 IDW Related

Drum (purge water) $100.00 Drum $0.00 Subtotal $0.00

Expendables $40.00 Day 3 $120.00

Subtotal $120.00

Other O&M Kit $360.00 day 3 $1,080.00 O&M Supplies $75.00 day 3 $225.00 Air Velocity Meter $33.00 day 3 $99.00

Subtotal $1,404.00

TOTAL EQUIPMENT $1,632.00

Format and complile report. PDF preparation/creation.

Annual O&M Report and path forward recommendations

Figures preparation for Annual O&M Report (ROI, GW elevation)

Property owner notification for each O&M event ( 1 hr). O&M event technical support and and system troubleshooting (1 hr/event x 3 events = 3 hr). PE O&M data interpretation and detemine flow rates and operating conditions based on field data to evaluate system optimization (1 hr/event x 3 events = 3 hr).. Prepare Annual Remedial Action Status Report and PE certification (8 hrs)

Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). O&M progress report tables (2 hr/event) and vapor sampling shipping (1 hr). Prepare Annual O&M Report (20 hr)

3/6/2026 Page 7 of 8 Subtask 6

SUBTASK: Utilities (12 Months)

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TOTAL LABOR 0

VEHICLE TYPE RATE UNIT USEAGE

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST QUANTITY

Utilities FPL Energy Estimate (12 Months ) $350/month $350.00 12 $4,200.00 Processing Fee $20/month $20.00 12 $240.00

Subtotal $4,440.00

TOTAL SUB $4,440.00

LABORATORY COSTS

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

TOTAL EQUIPMENT $0.00

3/6/2026 Page 8 of 8 Subtask 7

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SUBTASK: Months 1- 3 O&M

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka

Senior Professional M. Hensley

Project Professional

N. Barnes

Senior Staff Professional R. Temple -25

Staff Professional E. Carmona 25

Drafter/CADD Operator

Administrative Assistant

TOTAL LABOR 0

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day $0.00 Subtotal $0.00

TOTAL VEHICLE $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 0 $0.00

Subtotal $0.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 $0.00 Small Cooler (0 to 25 lbs) $110.00 $0.00

Subtotal $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Water Level Meter $25.00 Day $0.00 Air Sampling Canister (Summa) $33.00 Day/Each $0.00

Subtotal $0.00 IDW Related

Drum $100.00 Drum $0.00 Subtotal $0.00

Expendables $40.00 Day $0.00

Subtotal $0.00

Other O&M Kit $360.00 day $0.00 O&M Supplies $75.00 day $0.00 Air Velocity Meter $33.00 day $0.00

Subtotal $0.00

TOTAL EQUIPMENT $0.00

Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr). Update O&M progress report tables (2 hr/event = 6 h) and vapor sample shipping (1 hr); Prepare field O&M reports to FDEP (2 hr/event x 3 events = 6 hr).

Monthly O&M Events with mobilization (8 hr/event x 3 events = 24 hr)and vapor sample shipping (1 hr);

3/6/2026 Page 3 of 5 Subtask 3

SUBTASK: Months 4-6 O&M and Reporting

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka

Senior Professional M. Hensley

Project Professional N. Barnes

Senior Staff Professional R. Temple

Drafter/CADD Operator

Administrative Assistant R. Resinger

TOTAL LABOR 1

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day $0.00 Subtotal $0.00

TOTAL VEHICLE $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation PFAS Profiling Fee (new disposal facility) $0.00 Erwin Remedation Drum Disposal (PFAS-Impacted - $195/drum $0.00 Erwin Remedation Vapor Phase GAC Disposal $0.00

Subtotal $0.00

TOTAL SUB $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 0 $0.00 VOHs IDW $73.00 0 $0.00

Subtotal $0.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 $0.00 Small Cooler (0 to 25 lbs) $110.00 $0.00

Subtotal $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day $0.00 Water Level Meter $25.00 Day $0.00 Air Sampling Canister (Summa) $33.00 Day/Each $0.00

Subtotal $0.00 IDW Related

Drum (MS Contents) $100.00 Drum $0.00 Subtotal $0.00

Expendables $40.00 Day $0.00

Subtotal $0.00

Other O&M Kit $360.00 day $0.00 O&M Supplies $75.00 day $0.00 Air Velocity Meter $33.00 day $0.00 Air Flow Meter $33.00 day $0.00

Subtotal $0.00

TOTAL EQUIPMENT $0.00

Semi-Annual O&M Report and path forward recommendations

Vapor sampling shipping (1 hr)

3/6/2026 Page 4 of 5 Subtask 4

SUBTASK: Months 10-12 O&M

DATE: 2/12/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Principal T. Kafka

Senior Professional M. Hensley

Project Professional N. Barnes

Senior Staff Professional R. Temple

Staff Professional

Drafter/CADD Operator

Administrative Assistant R. Resinger

TOTAL LABOR 0

VEHICLE TYPE RATE UNIT USEAGE

Truck $120.00 Day $0.00 Subtotal $0.00

TOTAL VEHICLE $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

IDW

Erwin Remediation IDW liquid (moisture separator) $0.00

$0.00 $0.00 Subtotal $0.00

TOTAL SUB $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 Influent $200.00 0 $0.00 VOHs IDW sample $73.00 0 $0.00

Subtotal $0.00 Shipping

Large Cooler (25 to 50 lbs) $150.00 $0.00 Small Cooler (0 to 25 lbs) $110.00 $0.00

Subtotal $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Analytical Related

Groundwater Sampling Kit $290.00 Day $0.00 Water Level Meter $25.00 Day $0.00 Air Sampling Canister (Summa) $33.00 Day/Each $0.00

Subtotal $0.00 IDW Related

Drum (purge water) $100.00 Drum $0.00 Subtotal $0.00

Expendables $40.00 Day -2 ($80.00)

Subtotal ($80.00)

Other O&M Kit $360.00 day $0.00 O&M Supplies $75.00 day $0.00 Air Velocity Meter $33.00 day $0.00

Subtotal $0.00

TOTAL EQUIPMENT ($80.00)

3/6/2026 Page 5 of 5 Subtask 6

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Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-2 SOW

February 17, 2026

Ms. Sarah Aduwa Florida Department of Environmental Protection Waste Site Cleanup Section 2600 Blair Stone Road Tallahassee, FL 32399-2400

Subject: Scope of Work and CEF/LOE

Soil Vapor Extraction System O&M (1 Year) Colonial Touch of Class Cleaners 4552 Lake Worth Road Greenacres, Palm Beach County, Florida 33463 FDEP Facility ID NO. ERIC_5222

TA DC002F – TACO #2

Dear Ms. Aduwa:

Geosyntec Consultants, Inc. (Geosyntec) has prepared this Task Assignment Change Order (TACO) #2 for groundwater monitoring, soil vapor extraction (SVE) system restart, and 12 months of operation and maintenance (O&M) at the Colonial Touch of Class Cleaners Site located in Greenacres, Florida (ERIC_5222).

The O&M activities following system restart are subdivided into subtasks by quarter. The major scope elements are outlined below and will pertain to multiple subtasks in some cases. Each subtask will be outlined separately thereafter. A cost estimating form (CEF) and LOE is provided as Attachment A. A summary of the scope of work and costs associated with TACO #2 is provided below in red text.

SVE System Restart

The SVE system has been off since June 2024 to enable supplemental source area assessment including additional MAGs testing to support preparation of a Remedial Alternatives Evaluation (RAE). During the April 29, 2025 site review meeting with FDEP, it was decided that the system should be restarted to evaluate additional mass removal and assess other optimizations prior to re-advancing the Site towards a RAE. During the restart, FDEP requested vacuum data be collected to evaluate if there are any dead zones in the vapor recovery radius of influence and that vapor samples be collected from the combined influent, system effluent, and select vapor extraction wells (VEWs).

Groundwater Sampling Select site monitoring wells shall be sampled to evaluate current groundwater quality, coincident with SVE system restart. The proposed monitoring wells for sampling include MW001, MW002, MW003, MW005, MW006, MW008, and MW009. A figure showing the locations of these wells and prior analytical results is provided as Attachment B. Prior to collecting groundwater samples, depth-to-water measurements will be collected from the well network. Groundwater samples will be analyzed by a fixed-based, certified laboratory for volatile organic halogens (VOHs) using EPA Method 8260. The analytical results will be tabulated and provided in a field deliverable, with an evaluation of the results provided in a Semi-Annual O&M Report. TACO 1: Monitoring well MW008 could not be accessed and the costs associated with sampling this well are removed.

Monthly SVE System O&M Tasks Geosyntec will conduct monthly O&M visits to the Site following SVE restart. Geosyntec personnel will perform the following tasks during each monthly O&M visit.

Recording vacuum, pressure, and temperature readings at the SVE blower;

Recording air flow rates at the blower and vapor extraction wells (VEWs);

Documenting active and passive VEW operation and adjustment of active and passive

VEWs, as necessary;

Recording vacuum readings at VEW01 through VEW04 and select monitoring wells;

Draining fluids accumulated in the moisture separator and disposing of fluids in a 55-gallon drum as investigation derived waste (IDW);

Collecting groundwater level measurements in select monitoring wells;

Inspecting and cleaning (as needed) the equipment compound;

Inspecting water entrainment and adjustment of VEW wellhead vacuums (if necessary) to minimize water entrainment; and Performing periodic equipment maintenance activities.

Vacuum measurements will be collected at each of the system vacuum gauges during each O&M visit and select VEWs, MAGS wells, and MW wells. The vacuum monitoring data will be used to assess the actual vacuum ROI at the Site. The system will be adjusted to optimize the mass recovery rates through active and passive operations of VEWs. The monthly system O&M activities will be documented in a site-specific O&M log.

Soil Vapor Sampling Upon SVE system restart, Geosyntec will collect samples from the influent, VEW003, and VEW004. Thereafter, influent samples will be collected on a quarterly basis. Air samples will be collected in a Summa cannister and analyzed by a fixed-based, certified laboratory by United

States Environmental Protection Agency (EPA) Method TO-15. Additional soil vapor samples from the VEWs may be collected on an as needed basis, following discussion with FDEP.

IDW Generation IDW assumed to be generated includes purge water collected during groundwater sampling event, moisture captured in the SVE system moisture separator, and the previously utilized granular activated carbon (GAC). Subcontractor bids for IDW transport and disposal are included in Attachment C.

SVE System O&M Status Reporting Monthly Email Summaries and Semi-Annual Reports (i.e., following Month 6 and Month 12) will be prepared to document O&M activities. The O&M reports will include the following:

O&M activities performed during the reporting period;

Calculated mass of VOHs removed by the SVE system during the reporting period, and cumulative total removed since startup;

SVE system hours of operation during the reporting period;

Information regarding the depth-to-groundwater (in summary table form with one set of representative data depicted graphically);

Information regarding any repairs and/or modifications made to the SVE system;

Vacuum radius of influence data (in summary table form with one set of representative data depicted graphically and

Results of laboratory analyses of air samples (System Restart, Months 3, 6, 9, and 12) and groundwater monitoring well samples in tabular and graphical form;

Recommendations pertaining to the continued operation and/or optimization of the SVE system (including cycling VEWs as active or passive).

Utilities Monthly electrical utility bills have been estimated at $350 per month.

Subtask 1 – Project Management

Subtask 2 – SVE System Restart and Groundwater Monitoring

This subtask includes restart of the SVE system and an annual groundwater monitoring event, as discussed during the 29 April 2025 annual site review meeting. Seven groundwater samples will be collected from the monitoring wells outlined above, and three vapor samples (influent, VEW03, and VEW04) will be sampled, as described above. Nick Barnes will assume responsibilities as the FL Professional Engineer and Project Manager; Nick will mobilize to the Site to conduct the SVE restart activities with a local field staff member who will be onsite to conduct groundwater sampling. The cost for the annual telemetry service fee from the equipment manufacturer, PRM Filtration, is included in this Subtask.

TACO 1: One groundwater monitoring well (MW008) could not be accessed, and the costs (labor and analytical costs) associated with sampling this monitoring well are removed. The groundwater sampling activities were completed in one day rather than two days, so expenses are reduced. A change in staffing for the groundwater sampling portion of the scope was conducted based on availability, which also reduced labor costs.

Subtask 3 – Quarter 1 (Month 1 to Month 3) O&M

This subtask includes costs for three months of O&M, including influent air sampling during Month 3 event.

TACO 2: Due to scheduling conflicts, a change in field staffing occurred, with Eliana Carmona conducting field activities in place of Ryan Temple. A reduction in labor costs is realized based on this change.

Subtask 4 – Quarter 2 (Month 4 to 6) O&M and Reporting

This subtask includes costs for three months of O&M, including air sampling during Month 6, and the submittal of a Semi-Annual O&M Report that will include evaluation of the groundwater monitoring data generated during Subtask 1.

TACO 2: Soil vapor sample shipping labor was left out of the initial TA inadvertently.

Subtask 5 – Quarter 3 (Month 7 to 9) O&M

This subtask includes costs for three months of O&M, including air sampling during Month 9, with monthly email summaries to FDEP.

Subtask 6 – Quarter 4 (Month 10 to 12) O&M and Reporting

This subtask includes costs for three months of O&M, including air sampling. This subtask also includes the submittal of an Annual O&M Report with final IDW manifests.

TACO 2: Two additional days of expendables incorrectly included in the initial TA are removed.

Subtask 7 – Utilities

This subtask includes estimated costs associated with electrical utility fees for 12 months of system operation.

Invoice and Deliverable Schedule

The proposed invoice and deliverable schedule is as follows, assuming TA approval by July 1, 2025, and Month 1 is August 2025:

TACO-1: The Task Assignment amount is reduced by $1,288.22 based on the changes noted above.

TACO-2: The Task Assignment amount is reduced by $795.73 based on the changes noted above.

Subtask Deliverable Deliverable Due Date Invoice Amount

2 System Restart and Groundwater Monitoring Field Deliverable November 26, 2025 $12,240.43

3 Month 2 and 3 O&M Summary Email February 18, 2026 $8,028.22

4 Month 4, 5, and 6 O&M Summary Email and Semi-Annual O&M Report April 27, 2026 $12,238.05

5 Month 7, 8, and 9 O&M Summary Email July 26, 2026 $8,775.90

6, 1 Month 10, 11, and 12 Summary Email and Annual O&M Report December 27, 2026 $17,461.23

7 Utility Invoices and Handling Fees (Months 1 – 12) December 27, 2026 $4,440.00

Total: $63,183.83 The above schedule assumes that system re-start occurs by August 2025.

CLOSURE

We appreciate the opportunity to assist FDEP with this project. Please review and contact us if you have any questions or require additional information.

Colonial TOC Cleaners (ERIC_5222) HW683 DC002F TACO-2 SOW

Sincerely, Nicholas S. Barnes, P.E. (FL) Todd K. Kafka, P.G. (FL)

Project Engineer Senior Principal Hydrogeologist

Attachments: Attachment A – CEF-LOE Attachment B – Figure Attachment C – Subcontractor Quotes

ATTACHMENT A

Cost Estimate Form and Level of Effort

ATTACHMENT B

Figure

MW007

MW005

MW003

MW006

MW004

MW001

MW002

2.7

MW009

MW008

Summary of Monitoring Well CVOC Results

Colonial/ Touch of Class Cleaners Site 4552 Lake Worth Road, Lake Worth, FL

FDEP ID # ERIC_5222

Figure

Boca Raton, FL November 2023

15 0 157.5 Feet

Notes:

1. Screen intervals are presented in feet below land surface (ft bls).

2. Results are presented in micrograms per liter (μg/L).

3. Detections are shown in bold text.

4. U indicates not detected above laboratory method detection limit (MDL).

5. I indicates estimated value between MDL and reporting limit.

6. J3 indicates estimated value. Spike recovery or RPD outside of criteria

7. DUP indicates a sample duplicate.

8. NT indicates not tested.

9. Yellow highlighted values indicate an exceedance of the Groundwater Cleanup Target Level (GCTL) per Chapter 62-777 Florida Administrative

Code (FAC).

10. Orange highlighted values indicate an exceedance of the Natural Attenuation Default Criteria (NADC) per Chapter 62-777 FAC.

11. Blue highlighted values indicate not detected, however, the reporting limit exceeds the GCTL.

12. Purple highlighted values indicate not detected, however, the reporting limit exceeds the NADC.

13. Aerial Source: Nearmap, HERE; captured 1 May 2023.

Legend

Shallow Monitoring Well Location

Deep Monitoring Well Location

PCE GCTL Isopleth, g/L

PCE NADC Isopleth, g/L

TCE GCTL Isopleth, g/L

Approximate Location of Potable Water Line

Approximate Location of Sanitary Sewer Line

Former Colonial Touch of Class Cleaners

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/16/2019 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.76 U

12/14/2021 0.29 U J3 0.61 U 0.32 U 0.39 U NT 0.26 U NT

12/15/2022 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 1.0 U

MW005 (10-20)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/16/2019 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.76 U

11/10/2020 (DUP) 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.76 U

12/14/2021 0.29 U J3 0.61 U 0.32 U 0.39 U NT 0.26 U NT

12/15/2022 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 1.0 U

MW004 (10-20)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/15/2019 0.50 U 0.61 U 0.65 I 0.39 U 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 0.61 U 1.1 0.39 U 0.26 U 0.26 U 0.76 U

12/14/2021 0.29 U J3 0.61 U 1.8 0.39 U NT 0.26 U NT

12/15/2022 0.50 U 0.50 U 1.7 0.50 U 0.50 U 0.50 U 1.0 U

MW006 (45-50)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/16/2019 0.50 U 0.61 U 0.69 I 0.39 U 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 0.61 U 0.32 U 0.39 U 0.26 U 0.26 U 0.76 U

12/14/2021 0.29 U J3 0.61 U 0.32 U 0.39 U NT 0.26 U NT

12/15/2022 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 1.0 U

MW007 (10-20)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/15/2019 0.50 U 0.61 U 2.2 0.39 U 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 6.9 290 3.0 0.60 I 0.26 U 0.76 U

6/11/2021 0.29 U 0.61 U 43 0.55 I NT 0.26 U 0.76 U

12/14/2021 0.29 U J3 0.61 U 28 0.40 I NT 0.26 U NT

12/15/2022 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 0.50 U 1.0 U

MW003 (10-20)

Constituent Abbreviation GCTL NADC Tetrachloroethene PCE 3 300 Trichloroethene TCE 3 300 cis-1,2-dichloroethene cDCE 70 700 trans-1,2-dichloroethene tDCE 100 1,000 1,1-dichloroethene 1,1-DCE 7 70 Vinyl chloride VC 1 100 Chloromethane CM 2.7 270

Screening Criteria

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/15/2019 0.50 U 0.61 U 56 0.51 I 0.26 U 0.26 U 0.32 U 11/10/2020 0.50 U 0.61 U 4.2 0.39 U 0.26 U 0.26 U 0.76 U

6/11/2021 0.29 U 0.61 U 7.9 0.39 U NT 0.26 U NT

12/14/2021 0.29 U J3 0.61 U 4.7 0.39 U NT 0.26 U NT

7/6/2022 0.29 U 0.61 U 3.6 0.39 U 0.26 U 0.26 U 0.76 U

12/15/2022 0.50 U 0.50 U 1.7 0.50 U 0.50 U 0.50 U 4.3 6/16/2023 0.76 U 0.89 U 2.1 0.73 U 0.94 U 0.71 U 0.82 U

MW002 (10-20)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM 1/17/2019 500 340 75 2.3 I 0.52 U 0.51 U 0.64 U 11/10/2020 10,000 2,800 420 17 I 6.5 U 6.4 U 19 U

6/11/2021 32,000 6,500 1000 240 I NT 130 U NT

9/22/2021 50,000 5,300 1000 I 780 U NT 510 U NT

12/14/2021 5,200 J3 2,000 J3 720 130 I NT 26 U NT

7/6/2022 17,000 J3 3,500 980 210 I 130 U 130 U 380 U

12/15/2022 33,000 3,900 1000 U 1000 U 1000 U 1000 U 2000 U 6/16/2023 20,000 3,200 1,000 370 U 470 U 360 U 410 U

10/18/2023 5,700 1,400 500 95 24 U 0.71 U NT

MW001 (5-15)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM

10/18/2023 0.76 U 0.89 U 0.62 I 0.73 U 0.94 U 0.71 U NT

MW008 (5-15)

Date PCE TCE cDCE tDCE 1,1-DCE VC CM

10/16/2023 0.76 U 0.89 U 9.3 1.8 0.94 U 0.71 U NT

MW009 (5-15)

ATTACHMENT C

Subcontractor Quotes

408 Ditmar Street

Pensacola, FL 32503

ErwinRemediation@Gmail.com - P.O. Box 884 Gulf Breeze, FL 32562 (850) 292-6511

To: Mr. Nicholas Barnes Geosyntec Consultants, Inc.

12802 Tampa Oaks Boulevard, Suite 151 Tampa, FL 33637

April 15, 2025

Re: Non-Hazardous Drum Disposal of PFOS/PFAS Impacted Materials

Mr. Barnes:

The price for the transportation and disposal (T&D) of 55-gallon drums of non-hazardous soil, mud, and water is listed below:

Impacted with Non-Hazardous Petroleum or Chlorinated Solvents:

Description Rate Unit T&D - Non-Haz Soil $ 110.00 Per Drum T&D - Non-Haz Mud/Water $ 125.00 Per Drum

Impacted with Non-Hazardous PFAS/PFOS:

Description Rate Unit Profile Fee (Charged once per site) $ 350.00 Per Site T&D - Non-Haz PFOS/PFAS Impacted Soil $ 195.00 Per Drum T&D - Non-Haz PFOS/PFAS Impacted Mud/Water $ 195.00 Per Drum

Dry cleaning sites will require 8260-VOH lab analysis and PFAS sites will require the full FDEP lab analysis for IDW waste characterization.

This quote is valid for 120 days.

Respectfully, Robert Donado Erwin Remediation, Inc.

Email: Robert@ErwinRemediation.com Office: (850) 466-2358

: 2025FC0101

: 1/1/2025

Jeff Maylon/ Office Manager

From: Jeff Maylon To: Olivia Cain; Amanda Kimball Subject: RE: Request for Quote (WRI/Moran) - 2025 IDW Pricing for FDEP Sites Date: Tuesday, January 14, 2025 10:46:24 AM Attachments: image005.png image006.png image007.png image008.png image009.png image010.png

CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. If you have any suspicion, please confirm with the sender verbally that this email is authentic. If you suspect fraud, click "Phish Alert Report."

Good morning Olivia, We only accept non-hazardous waste for disposal at our facility. We do offer transportation of PFAS contaminated waste for disposal at the Waste Management Emelle AL facility.

Respectfully, Jeffrey Maylon Office Manager Water Recovery, LLC

Office: 904.475.9320 WRIJax.com

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