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.

HW687

DC034D Completion October 2, 2026

This Task Assignment authorizes Terracon Consultants Inc. (Terracon) to conduct Groundwater Monitoring for VOHs, PFAS, and UIC parameters at the Dryclean World site as part of contract HW687.

Gabriel Sostre 850-245-8749 Contractor Terracon Consultants, Inc. Contractor

Contractor Donna Cline Contractor 904-479-7415

ERIC_5042

1451 Lee Road, Winter Park, Orange County

Dryclean World

Contractor Contractor

✔ $ 12,256.32

$ 12,256.32

Scope of Work

Terracon Consultants, Inc.

Contractor Donna Cline

Senior Associate

05/01/2026

Digitally signed by Cline, Donna L DN: cn=Cline, Donna L, ou=Domain Users, email=Donna.Cline@terracon.com Date: 2026.05.01 08:09:01 -04'00'

Cline, Donna L

Mubeen Darji

Mubeen Darji, P.E. Digitally signed by Mubeen Darji, P.E.

Date: 2026.04.29 12:33:40 -04'00'

N/A

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

BWC TAFORM 01/18

HW687

DC034D

Subtask 3: PFAS Sampling and IDW Documentation

Subtasks 1 & 4: Project Management. Groundwater Monitoring Report.

Subtask 2: Groundwater Sampling Documentation 07/31/2026

07/31/2026

08/28/2026

Subtask 2: FDEP approval of Groundwater Sampling Documentation

Subtask 3: FDEP approval of PFAS Sampling and IDW Documentation

Subtasks 1 & 4: FDEP approval of Project Management; Groundwater Monitoring Report.

$ 7,310.59

$ 914.79

$ 4,030.94

$ 12,256.32

Memorandum

FDEP COST ESTIMATE

Contractor: Terracon SubTask 1 Project Management Date: 4/24/2026 SubTask 2 VOH Groundwater Sampling and Reporting

Task #: SubTask 3 PFAS Sampling & IDW Management Site: Dryclean World (ERIC_5042) SubTask 4 Grondwater Monitoring Report

Activity/Phase: Groundwater Monitoring Report Project Manager: Gabriel Sostre

Totals 1 2 3 4 Labor Rate Category

$57.64 Project Manager Lydia Wing 5.56 5.56 $37.26 CADD Specialist Chelsea Fugate 3.00 0.00 0.00 3.00 $57.64 Senior Geologist Lydia Wing 6.00 0.00 0.00 6.00 $47.84 Project Geologist Derek Barry 16.00 3.50 1.50 11.00 $27.73 Administrative Tanja Proietto 1.50 0.00 0.00 1.50 $31.58 Environmental Technicia Pat Beers 38.00 36.50 1.50 0.00

Total Hours 70.06 5.56 40.00 3.00 21.50

Direct Labor $2,785.18 $320.48 $1,320.11 $119.13 $1,025.46

Overhead 116% $3,230.81 $371.76 $1,531.33 $138.19 $1,189.53 Gen & Admin 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 Fringe 56.263% $1,567.02 $180.31 $742.73 $67.03 $576.95 Total Labor $7,583.01 $872.55 $3,594.17 $324.35 $2,791.94

Travel Vehicle charge $480.00 360.00$ 120.00$ $0.00 Total Travel $480.00 $360.00 $120.00 $0.00

Subcontractor IDW (Petrotech) $425.00 $0.00 $425.00 $0.00 Total Subcontractor Cost $425.00 $0.00 $425.00 $0.00

Laboratory Analytical Costs $1,463.00 $1,463.00 $0.00 $0.00 Sample Shipping $0.00 $0.00 $0.00 $0.00 Total Laboratory $1,463.00 $1,463.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 Expendables $172.00 $159.00 $13.00 $0.00 Equipment (Analytical related) $1,275.00 $1,275.00 $0.00 $0.00 Equipment (IDW related) $100.00 $100.00 $0.00 $0.00 Total Field Expenses $1,534.00 $1,534.00 $13.00 $0.00

Subtotal $11,498.01 $872.55 $6,951.17 $882.35 $2,791.94 Completion Fee $758.31 $87.26 $359.42 $32.44 $279.19

Total Estimated Cost $12,256.32 $959.81 $7,310.59 $914.79 $3,071.13

REV: 02/03 CEF TERRACON

LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : Dryclean World (ERIC_5042) SUBTASK 2: VOH Groundwater Sampling and Reporting

PROPOSAL NO. PH1267057

DATE: 4/24/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Groundwater Sampling (One person sampling crew for 3 days) Project Geologist DB 1.50

Environmental Technician PB Pickup drum for IDW from drum wholesale 1.00 Environmental Technician PB Load/unload equipment, and conduct equipment calibration 1.00 Environmental Technician PB Mobilization/Demobilization (30 min per day for 3 days) 1.50 Environmental Technician PB 3.50

Environmental Technician PB Collect 18 Groundwater Samples @ 1.5 hrs per well 27.00 Environmental Technician PB Containerize IDW, Collect IDW Sample 1.50 Environmental Technician PB complete and QA field documentation 1.00

Deliverable - Trip Report Senior Geologist DB 2.00

Personnel: DB PB Hours: 3.50 36.50 TOTAL LABOR 40.00$

VEHICLE TYPE RATE UNIT USEAGE

Truck (PB) Groundwater Sampling 120.00$ day 3 360.00$

TOTAL VEHICLE 360.00$

LABORATORY COSTS

PARAMETER RATE # SAMPLES IDW

Halocarbons (short list) EPA 8260 73.00$ 18 1 1,387.00$ Color SM 2120B 17.00$ 2 34.00$ pH EPA 9040 12.00$ 1 12.00$ Aluminum (Al) EPA 6020 15.00$ 2 30.00$

TOTAL LAB 1,463.00$

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables Expendables 40.00$ day 3 120.00$

Ice (2 per day) 6.50$ day 6 39.00$ Equipment (Analytical) Shallow Groundwater Sampling Kit (PB) 325.00$ day 2 650.00$

Deep Groundwater Sampling Kit (PB) 415.00$ day 1 415.00$ Tubing, HDPE 0.30$ ft 610 183.00$ Tubing, silicon (3/16 x 3/8) 3.00$ ft 9 27.00$

IDW Related 55-gallon drum, new 100.00$ each 1 100.00$

TOTAL EQUIPMENT 1,534.00$

Field planning with field staff, laboratory for VOH Sample Kit, prepare field sampling request, communication with tenant for IDW staging

Prepare trip report

Collect water levels from 21 monitoring wells @ approximately 10 min per well (note wells are located across several parcels)

SUBTASK 3: PFAS Groundwater Sampling and IDW Management

PROPOSAL NO. PH1257J04

DATE: 4/24/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

PFAS Task (Purge and sample collection included in LOE 2) Project Geologist DB 0.50 Project Geologist DB 1.00 Environmental Technician PB 0.50 Environmental Technician PB 1.00

Personnel: LW DB PB CF Hours: 0.00 1.50 1.50 0.00 TOTAL LABOR 3.00$

VEHICLE TYPE RATE UNIT USEAGE

Truck (PB) IDW Pick Up 120.00$ day 1 120.00$

TOTAL VEHICLE 120.00$

SUBCONTRACTOR COSTS

NAME PURPOSE COST UNIT USEAGE

Petrotech IDW Disposal $425 each 1 425.00$

TOTAL SUBCONTRACTOR 425.00$

LABORATORY COSTS

PARAMETER RATE # SAMPLES IDW

PFAS LC-001-3 (FDEP Tallahassee Lab) -$ 5 + 1 EQBs -$

TOTAL LAB -$

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables Expendables 40.00$ day 0 -$

Ice (Sample preservation, 2 bags/day) 6.50$ day 2 13.00$

TOTAL EQUIPMENT 13.00$

Field event planning with FDEP Laboratory for kit and sampling schedule based on laboratory backlog

Prepare IDW Waste Characterization/Generator Profile Mobilize to meet transporter onsite and sign manifest Meet Transporter onsite and sign manifest

SUBTASK 4: Groundwater Monitoring Report

PROPOSAL NO. PH1257J04

DATE: 4/24/2026

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Groundwater Monitoring Report Deliverable Project Geologist DB 4.00

Project Geologist DB 7.00

Senior Geologist LW 2.50 Senior Geologist LW 3.50

Administrative TP 1.50 CADD Specialist CF 3.00

Personnel: LW DB CF TP Hours: 6.00 11.00 3.00 1.50 TOTAL LABOR 21.50

Data entry, prepare draft tables summarizing all analytical reports, draft groundwater elevation and analytical isoconcentration figures

Develop conclusions and recommendations to include proposed well network for completion of 62- 780, F.A.C. site assessment

Prepare Figures and Exhibits of analytical results and GW flow contours Formatting report, assembling exhibits and appendices to be assembled in pdf report

Prepare draft report with summary of groundwater analytical results, to include field notes, sampling forms, laboratory reports, calculations/gw flow QA/QC field methods, field logs, laboratory data, and calculations

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