CN-370000-HW687-DC002H.pdf

PDF 2 MB Posted Jan 5, 2022

Attached to: Master Agreement FL|HW687|519929c0c8a00e44396dc1d8f5fa086b
Contract number: HW687
Issued by: Florida

About this file

Written by GovTribe AI · May 29, 2026

Document Summary

This Task Assignment (TA) is issued under Contract Number HW687 between the State of Florida Department of Environmental Protection (FDEP) and Terracon Consultants, Inc. The document authorizes work at the Village Cleaners site located at 2100 45th Street Unit B8, West Palm Beach, Palm Beach County, Florida (ERIC_5205). The TA is numbered DC002H with a completion date of May 29, 2026, and is entered pursuant to an existing indefinite delivery contract between FDEP and Terracon for environmental remediation and investigation services under the Waste Cleanup Program.

The Task Assignment authorizes Terracon to conduct a Modified Active Gas Survey (MAGS) investigation in anticipation of a Remedial Action Plan Modification (RAPMOD) at the former dry cleaning facility. The scope includes four subtasks: Project Management, MAGS Investigation (installation of three 2-inch diameter MAGS wells to 6.5 feet below ground surface with soil sampling and OVA screening), Investigation Derived Waste (IDW) Management, and preparation of a Letter Report. The total TA value is $18,094.57 on a fixed unit rate basis. Invoicing is structured in three phases with deliverables due February 13, 2026 ($12,004.94), March 20, 2026 ($1,124.43), and April 24, 2026 ($4,965.20). The initial proposal cost was $21,260.42 but was negotiated down to $18,094.57, representing a 14.90% cost reduction. Total labor hours dedicated to the project are 81.82 hours. Subcontractors include Erwin Remediation, Inc. for IDW disposal services at $390.00 for two drums and Geoview for utility survey services at $900.00.

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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

DC002H Completion May 29, 2026

This Task Assignment authorizes Terracon to conduct MAGS in anticipation of a RAPMOD at the Village Cleaners site.

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

Contractor Donna Cline Contractor 904-479-7415

ERIC_5205

2100 45th Street Unit B8, West Palm Beach, Palm Beach County

Village Cleaners

Contractor Contractor

✔ $ 18,094.57

$ 18,094.57

Scope of Work

Terracon Consultants, Inc.

Contractor Donna Cline

Senior Associate

12/10/25

Digitally signed by Cline, Donna L DN: cn=Cline, Donna L, ou=Domain Users, email=Donna.Cline@terracon.com Date: 2025.12.10 01:03:57 -05'00'

Cline, Donna L

Mubeen Darji

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

Date: 2025.12.09 13:17:36 -05'00'

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

DC002H

Subtask 3: IDW Management.

Subtasks 1 & 4: Project Management; Preparation of Letter Report.

Subtask 2: MAGS Investigation: Installation of three 2-inch diameter MAGS wells, OVA screening of soils, and collection of soil samples for VOH analysis. 02/13/2026

03/20/2026

04/24/2026

Subtask 2: FDEP approval of field notes, soil boring logs, and lab reports pertaining to soil sampling and MAGS well installation.

Subtask 3: FDEP approval of signed IDW Manifests.

Subtasks 1 & 4: FDEP approval of MAGS Letter Report including updated charts, tables, graphs, exhibits, and maps.

$ 12,004.94

$ 1,124.43

$ 4,965.20

$ 18,094.57

Memorandum

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LEVEL OF EFFORT/EXPENSE WORKSHEET

SITE : Former Village Cleaners ERIC_5205 SUBTASK 2: Soil Sampling, MAGS Survey

PROPOSAL NO. PHB257038

DATE: 12/4/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Field Task Planning Senior Geologist SO 1.00 Staff Engineer SO 1.00 Senior Scientist/Engineer MM 1.00

Senior Geologist SO 2.00

Senior Scientist/Engineer MM 2.00

Soil Sampling / MAGS Well Installation Scope: Install 3 MAGS wells to a depth of 6.5 ft bgs with soil investigation

Time Duration: 1 day Environmental Tech RS Load/unload equipment (1 hour/day) 1.00 Senior Geologist SO Direct work, daily safety debrief, record lithological descriptions, MAGS well installs (1 day) 8.50 Environmental Tech RS Collect sample at 0.5, 2, and 4 ft and 6ft bgs for laboratory analysis (SPLP and VOCs) and OVA screening 8.50 Environmental Tech RS Containerize IDW (0.5 hours/day) 0.50 Senior Geologist SO Finalize field notes at end of day (1 hour/day) 1.00 MAGS Test Time Duration: 1 Day to pickup system, 1 Day 3@ MAGS points @ 45 minutes per test 3 @ 15min move and set ups, 1 Step Test 45 minutes Environmental Tech RS Drop off system to site ( PSL to WPB) 1.00

RS Setup/Prep system at site, calibrate equipment, evaluate logistics 3.00 Senior Geologist SO Perform and direct MAGS sampling test 60 minutes Per Location (includes move and set up) + additional Step test a 3.75 Environmental Tech RS Maintain system operation of the MAGS system, reduce vacuum / flows as directed by Engineer / 3.75

Maintain hoses / fresh air flush between MAGS wells Senior Geologist SO Finalize field notes at end of day (1 hour/day) 1.00 Mobilization / Demobilizations Senior Geologist SO 2 Days, (from PSL, 2 hour/ day mobilization ) 4.00 Environmental Tech RS 4.00

Personnel: SO MM RS Hours: 22.25 3.00 21.75 TOTAL LABOR 47.00

VEHICLE TYPE RATE UNIT USEAGE

Truck (Senior Geologist) 120 day 2 240.00$ Truck (Field Technician) 120 days 3 360.00$

TOTAL VEHICLE 600.00$

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM -$

SUBCONTRACTOR COSTS

NAME PURPOSE COST UNIT USEAGE

Geoview Interior Utility Survey $900 each 1 900.00$

TOTAL SUBCONTRACTOR 900.00$

Prepare soil logging materials and order soil installation kit, Mags Kit and Order Well materials

2 Days (from PSL, 2 hours/ day mobilization)

Pre Task Planning Prepare Health and Safety Plan Review technical approach to soil / MAGS Investigation Meet with owner and conduct pre-drilling site walk with property owner, current tenants and field crew. Designate IDW staging areas, decon pad location, and MAGS system staging area.

SUBTASK 2: Soil Sampling, MAGS Survey

PROPOSAL NO. PHB257038

DATE: 12/4/2025

LABORATORY COSTS

PARAMETER RATE # SAMPLES

Halocarbons EPA 8260 73.00$ 12 876.00$ VOCs (soil-prep) 5035 prep 7.00$ 12 84.00$ VOCs EPA8260 Shortlist 60.00$ 0 Handled as WCD -$ SPLP Bottle Extraction Method 1312 45.00$ 0 VOCs Soil Vapor- Full Sc TO-15 200.00$ 3 600.00$

Summa Canister 33.00$ 3 99.00$ Sample Shipping 110.00$ 2 220.00$

TOTAL LAB 1,879.00$

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables Expendables 40.00$ day 2 80.00$ Ice (Sample Preservation) 6.50$ each 6 39.00$

Mags Well Installation related Portland Cement 10.55$ Each 2 21.10$ Filter Sand 8.15$ Each 2 16.30$ Fine Sand 7.00$ Each 1 7.00$ Bentonite Seal 17.25$ EACH 0 -$ PVC Screen 23.85$ Each 3 71.55$ PVC Casing 19.15$ Each 3 57.45$ Fill Box 3-1/2" OD 47.50$ Each 3 142.50$ PVC Fittings 7.05$ Each 6 (3 male , 3 female) 42.30$ Locking Plug 6.00$ EACH 3 18.00$ Soil Sampling Kit 235.00$ day 1 Concrete Corer/ Generator 235.00$

Analytical related Encore Sampler 16.00$ each 12 (SPLP samples - hold) 192.00$ Terra Core Sampler 11.00$ each 12 (VOH samples) 132.00$ Soil Assessment Kit 175.00$ day 1 175.00$ MAGS Investigation Kit 500.00$ day 1 500.00$

-$ day 0 -$ HDPE Tubing 0.30$ LF 0 -$ Silicon Tubing 3.00$ LF 0 -$

IDW related Drums 100.00$ each 2 200.00$ Other Global Positioning System 175.00$ day 1 175.00$

TOTAL EQUIPMENT 2,104.20$

SUBTASK 3: IDW Disposal

PROPOSAL NO. PHB257038

DATE: 12/4/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Coordinate IDW T&D

Senior Scientist/Geologist SO 1.50 Env. Technician RS 3.00

Personnel: SO RS CF Hours: 1.50 3.00 0.00 TOTAL LABOR 4.5

VEHICLE TYPE RATE UNIT USEAGE

Pickup (IDW site visit) 120 day 1 120.00$

TOTAL VEHICLE 120.00$

PER DIEM STAFF RATE UNIT USEAGE

TOTAL PER DIEM -$

SUBCONTRACTOR COSTS

NAME PURPOSE COST UNIT USEAGE

Erwin IDW Disposal 195.00$ each 2 390.00$ Handling Fee 39.00$

TOTAL 429.00$

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB -$

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

TOTAL EQUIPMENT -$

Prepare waste characterization/Generator Profile Coordinate IDW T&D: Mobilize to site, meet transporter to unlock secure area for pickup

SITE : Village Cleaners ERIC_5205 SUBTASK 4: Report Preparation

PROPOSAL NO. PHB257038

DATE: 12/4/2025

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Report Deliverable Senior Geologist SO Prepare report tables 4.00 Senior Scientist MM Prepare report, radius of influence calculations, calculate intrinsic permeability 9.00 Senior Scientist SO Review field and laboratory data 2.00 Senior Scientist MM Conclusions/Recommendations 2.00 Senior Engineer DC Senior Subject Matter Expert Review 3.00 CADD Specialist CF Prepare base figures and Exhibits 4.00

Personnel: SO MM CF DC Hours: 6.00 11.00 4.00 3.00 TOTAL LABOR 24.00

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 UNIT USEAGE

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

TOTAL EQUIPMENT $0.00

645 NW Enterprise Drive #107 Port St Lucie, FL 34986

P (772) 343-9787

F (772) 343-9404 Terracon.com

September 16, 2025

Florida Department of Environmental Protection Waste Cleanup Program Waste Management Division 2600 Blair Stone Road Tallahassee, Florida 32399-2400

Attn: Mr. Gabriel Sostre, Environmental Specialist II E: Gabriel.Sostre@FloridaDEP.gov W: 850-245-8749

Re: Proposal for MAGS Event Village Cleaners 2100 45th Street Unit B8 West Palm Beach, Palm Beach County, Florida

ERIC_5205

Task Assignment HW687 Terracon Proposal No. PHB257038

Dear Mr. Sostre:

Terracon Consultants, Inc. (Terracon) appreciates the opportunity to submit this proposal to the Florida Department of Environmental Program (FDEP) Waste Cleanup Program (WCP) to conduct a Modified Active Gas Survey (MAGS) for Village Cleaners (ERIC_5205) located at 2100 45th Street, West Palm Beach, Florida. The objective of the proposed MAGS is to evaluate the potential presence and recovery of contaminant mass beyond the radius of the existing SVE well network. This topic was discussed in the PRAC meeting with the FDEP in May 2025 and it was suspected that SVE coverage was not adequate or there may be a mass that has not been identified further east contributing to the reported PCE exceedances in soil gas sampling at VEW-2.

Scope of Services

Subtask 1. Project Management Subtask 2.

MAGS Investigation to include installation of three 2-inch diameter MAGS wells, OVA screening of soils, and collection of soil samples for VOH analysis.

Subtask 3. Investigation Derived Waste (IDW) Management Subtask 4. Preparation of a Letter Report

See attached LOE for details

Schedule Submit a Letter Report of on-site activities within 30 business days following receipt of laboratory results.

Compensation See attached CEF for details.

Proposal for Soil Investigation and MAGS Testing Village Cleaners, ERIC_5205 Vero Beach, FL September 16, 2025 Terracon Proposal No. PHB247048

SCOPE OF SERVICES

Subtask 1 – Project Management

Shawn Ouellette, will serve as the Project Manager during field investigation. Donna Cline Senior Engineer and Mike Mui, Senior Engineer will be involved throughout the project, serving as subject matter experts.

Subtask 2 – Groundwater Sampling, Soil Sampling, and Modified Active Gas Survey

Pre-Task Planning will be performed to prepare for field investigations. Terracon will prepare a site-specific health and safety plan.

Modified Active Gas Survey (MAGS)

The objective of the proposed MAGS is to evaluate the potential presence and recovery of contaminant mass beyond the radius of the existing SVE well network. This topic was discussed in the PRAC meeting with the FDEP in May 2025 and it was suspected that SVE coverage was not adequate or there may be a mass that has not been identified further east contributing to the continued reported PCE exceedances in soil gas sampling at VEW-2.

Terracon proposes to install three MAGS wells at the former Village Cleaners site. The proposed MAGS well locations, subject to field adjustments (e.g., physical obstructions, utilities), were based on recent soil gas analytical data and an estimated 20-foot radius of influence, as illustrated on the attached Exhibit 1. We are proposing to install in the vicinity of VEW-2 to determine if there may be additional contributing source adjacent or nearby to the assumed former dry-clean machine location.

Terracon will self-perform the concrete coring and MAGS well installation activities. Each MAGS well will be installed to a total depth of 6.5 feet bgs, subject to field adjustments (e.g., depth to water at the time of drilling, subsurface obstructions); and will be constructed with a 5.5-foot section of Schedule 40 PVC, 2-inch diameter, 0.020 slotted screen, flush-threaded to a 1-foot section of PVC riser. The MAGS wells will be filter packed with 6/20 sand to 1 feet bgs, followed by a thin layer of fine sand, then a cement grout seal to about 4 inches bgs. The MAGS wells will be completed with a flush-mounted, brass, threaded cleanout plug or boltdown manhole to facilitate potential future use as an SVE well or vapor monitoring point.

Terracon will collect soil samples via hand-auger at the five proposed MAGS locations. Discrete soil samples will be collected from 0.5, 2, 4, and 6 ft bgs for photoionization detector (PID) screening and laboratory analysis.

Terracon personnel will conduct the proposed MAGS by utilizing a regenerative blower connected to a portable power generator. A wellhead assembly will be connected to one MAGS well at a time to apply the system vacuum and allow for vacuum, air flow rate, temperature, and PID measurements. Vacuum influence will be measured from the other MAGS wells and possibly from shallow monitoring wells during each test.

A vacuum step test will be conducted at the first MAGS point, beginning with a lower applied vacuum, then increasing the vacuum to identify an optimal vacuum to use as a default starting point for the remaining tests. The intent is to maximize air flow rate and ROI while minimizing excessive water entrainment. Based on the anticipated lithology, depth to water, and historical SVE operating data, we

September 16, 2025 Terracon Proposal No. PHB247048 anticipate conducting the step tests with well head vacuums set at approximately 6, 12, and 18 inches of water.

Each MAGS test will be conducted for approximately 30 to 60 minutes. One soil gas (air) sample will be collected at the end of each MAGS test. A minimum of one pore volume will be purged prior to sampling if possible (i.e., duration of each test not to exceed 60 minutes). Each air sample will be collected in a Summa canister and submitted to Eurofins Environment Testing for Volatile Organic Compound analysis by EPA Method TO-15.

Subtask 3 – Investigation Derived Waste

Decontamination activities will take place at a designated staging and laydown area. The soil cuttings and water IDW will be containerized in 55-gallon drums and staged on-Site at a designated location. It is estimated that 2 drums of IDW will be generated in Subtask 2. The transportation and disposal costs for the drums are included under Subtask 3.

Terracon recommends subcontracting Erwin Remediation, Inc. (Erwin) for IDW transportation and disposal. Terracon will provide oversight of the IDW pickup, and sign waste manifests as an agent of

FDEP.

Subtask 4 – Letter Report

Terracon will prepare a Letter Report that will detail and summarize the MAGS activities, field observations, and laboratory analytical results for the soil, and soil gas samples. The Letter Report will include exhibits with analytical concentrations, summary data tables, conclusions, and recommendations.

SCHEDULE

It is estimated that the drilling activities may be completed within 20 business days of task authorization.

Daily updates of activities will be uploaded within 48 hours to the Terracon Compass website to allow FDEP access to field documents; analytical results will be posted upon receipt from the laboratory.

Terracon anticipates submitting the deliverable activities within 30 business days of receipt of analytical results.

CLOSING REMARKS

Terracon services will be conducted in accordance with the terms and conditions contained within DEP Waste Cleanup Program (WCP) Contract No. HW687, executed January 5, 2022. It is understood that a Task Assignment will be issued to authorize us to perform this work.

We appreciate the opportunity to provide this proposal and look forward to working with you on this project. If you should have any questions or comments regarding this proposal, please contact either of the undersigned at 561-494-7052

September 16, 2025 Terracon Proposal No. PHB247048

Sincerely, Terracon Consultants, Inc

Shawn Ouellette P.G. Donna Cline, P.E.

Site Investigation and Remediation Senior Remediation Engineer

Attachments:

Exhibits Level of Effort Cost Spreadsheet ft

.8 ft

28.01 ft Pr op os ed M

S Lo ca ti on s

M A

G S-

M A

G S-

M A

G S-

C R

O N

U N

F M

U R

Q U

A N

P R

C R

O N

U N

F M

U R

A N

C R

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408 Ditmar Street Pensacola, FL 32503

To: Ms. Jessica Endicott Terracon 645 NW Enterprise Drive Suite 107 Port Saint Lucie, FL 34986

September 11, 2024

Re: Non-Hazardous Drum Disposal of PFOS/PFAS Impacted Materials - Vero Beach, FL

Ms. Endicott:

The price for the transportation and disposal (T&D) of one (1) 55-gallon drum of non-hazardous PFAS/PFOS water from your site in Vero Beach, FL is $195.00 per drum.

Please ensure that all drum lids are properly secured and that drums are on a level surface like the surrounding area (i.e., not on a pallet, etc.). A single False Mobilization fee will apply if our driver is not able to locate a drum on site or if we are unable to access the property due to a locked gate, etc. This quote is valid for 90 days.

Respectfully, Robert Donado Erwin Remediation, Inc.

Phone: 850-466-2358 Email: robert@erwinremediation.com

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

Common Ground Environmental Inc.

(Common Sense Approach to Environmental Issues)

P.O. Box 1044, Lakeland, Florida 33802 Phone: (863) 647-3888

May 8, 2025

Jessica Endicott Terracon 645 NW Enterprise Drive Suite 107 Port Saint Lucie, FL 34986

RE: One (1) Drum of Non-Hazardous Waste for Disposal

Dear Jessica, Thank you for the opportunity to present Common Ground Environmental Inc. (CGE) to you.

CGE is committed to providing the best service in the waste management industry at competitive pricing. When you choose CGE, you choose to have a partner with the experience and the capabilities to handle all your environmental needs, from proper paperwork to site audits to remediation and analytical testing. CGE will be on site at time of pick up to correctly complete all paperwork and to tackle any unexpected problems. CGE makes it easy for you by handling all profiles, paperwork, and scheduling; all you do is sign the shipping documents!

Common Ground Environmental, Inc. is pleased to submit this quote for the following services.

Waste Stream Qty. Price per Unit Total Disposal Only of Non-Hazardous Non-Regulated Material in 55 Gallon Drums

1 $125.00.00 per 55 Gallon Drum

$125.00

Transportation Only of Drums 1 0B$60.00 per Drum Minimum $300

$300.00

Stop Charge 1 $125.00 per Trip $125.00 Fuel Surcharge as of 5/8/25 1 $15.50 per Drum $15.50 Estimated Total $565.50

NOTES:

The above pricing will be valid for 10 days from date of this quote. _____ Int.

The first hour of loading is included in the above price. For each additional hour, customer will be billed $225.00 per hour. _____ Int.

The above quote is only an estimated total. Final invoice can be higher, or it can be lower due to number of drums for disposal, number of surcharges and/or waste conditions. _____ Int.

Quote is based on final profile approval from waste facility. _____ Int.

A monthly fee of 1 ½ % interest will be charged on the balance of every past due invoice that is over 30 days past due and will incur every 30 days until invoice and late fees are paid in full. _____ Int.

Our terms are 30 Days Net. _____ Int.

Terracon Page 2

The pricing above includes transportation and disposal to an EPA permitted facility. Pricing is based on approved waste profiles and non-conforming waste will be assessed surcharges that are billed separately. A $125.00 stop fee will be passed on to the customer. Please note, due to the high cost of Diesel, the fuel surcharge rate will now be managed separately on a month-to-month basis.

Thank you for considering Common Ground Environmental, Inc. as your waste management provider. Please review the above pricing and if it meets with your approval, please confirm your order by signing and returning this quote to my attention. Do not hesitate to call me at (863) 860- 0827 or (863) 647-3888 with questions or concerns.

Sincerely, Michael Propst Mike Propst Common Ground Environmental, Inc.

Acceptance of Proposal

The above prices, specifications and conditions are satisfactory to generator/client and are hereby accepted. Common Ground Environmental, Inc. is hereby granted to do the work as specified.

Payment terms are net 30 days unless specified otherwise. A 1.5% per month finance charge will be applied on all past due invoices. The generator/client will be responsible for all cost, expenses and reasonable counsel fees incurred by or on behalf of Common Ground Environmental, Inc. as a result of failure to remit payment as specified above.

Date of Acceptance _______________________________________________________

Signature: __________________________________________Title: ________________

Printed Name: ___________________________________________________________

CONFIDENTIAL Page 1 of 3 CE (Quote) – Addendum_v17_01.13.2023_unlocked

The terms and prices contained herein shall be treated as confidential property and may not be disclosed to others before, during, or subsequent to the terms of this Agreement, except as required by law or as necessary to perform Services (and then only on a confidential basis satisfactory to both parties.

QUOTE - ADDENDUM

September 6, 2024

Mr. Eric Clementelli Terracon Consultants Inc 10840 S Ridgeview Rd Olathe, KS 65898

Thank you for allowing Clean Earth Environmental Solutions, Inc. by and through any of its subsidiaries or affiliates ("Clean Earth") to service your waste management needs. This addendum is to add additional services or pricing to your existing agreement with Clean Earth either at your request, or due to items or services performed that are not in your existing pricing schedule with us. Please see the below pricing schedule that will be added to your existing agreement as referenced below.

Quote provides example transportation rates from the Orlando Service Center. Actual charges will vary based on the distance from nearest Clean Earth service location to site. Non-Hazardous solids and liquids pricing assumes no contamination high halogen contamination from dry cleaning solvents are present.

CONFIDENTIAL Page 2 of 3

PPricingg Details::

Assumptionss andd Conditions:

1. The disposal pricing as listed above is based on the information provided and will be confirmed following receipt of a completed waste profile. All pricing is pending profile approval and/or waste sample analysis. Clean Earth reserves the right to adjust the fees or rates herein to account for operational changes implemented to comply with changes in law, rules, regulations, permits, licenses or approvals, or to cover increases in the cost of fuel, insurance, disposal, record keeping or to otherwise address cost escalation. If Customer rejects the adjusted fees or rates, Clean Earth shall have the right to terminate the Agreement or refuse to provide any services to Customer for which Customer rejected the adjusted Rates.

2. Unless otherwise stated in the Agreement, all invoices are subject to applicable Federal, State, and local taxes & fees as well as an Energy & Insurance recovery charge tied to the National monthly average price for diesel fuel as published by the Department of Energy https://www.cleanearthinc.com/energy-and-insurance-fees/.

Faci l i ty Item Descr iption UOM Price QTY Nett Pr ice Minimums

Orlando STAB01 Non regulated sludges with free liquids , bulkable , for solidification to subtitle D landfill, DR55 $137.00 1 $137.00

Orlando STAB02 Solids/Sludges/Liquids (neutral pH) with RCRA metals, for stabilization to subtitle C/D landfill

DR55 $207.00 1 $207.00

Orlando LF72L PFAS Impacted Water Wastes DR55 $446.00 1 $446.00 #N/A

Orlando INC71 PFAS Impacted Solid Material DR55 $1,121.00 1 $1,121.00 #N/A

$1,911.00

Faci l i ty Item Descr iption UOM Price QTY Nett Pr ice Minimums

Orlando TRSTOP1-3 30-55 GL drums, LTL Trans., Zone 1 (0-50 mi, RT) Each $34.00 1 $34.00 $210 Minimum / $499 Maximum per Pickup

Orlando TRSTOP2-3 30-55 GL drums, LTL Trans., Zone 2 (51-100mi, RT) Each $40.00 1 $40.00 $250 Minimum / $599 Maximum per Pickup

Orlando TRSTOP3-3 30-55 GL drums, LTL Trans., Zone 3 (101-150 mi, RT) Each $48.00 1 $48.00 $300 Minimum / $749 Maximum per Pickup

Orlando TRSTOP4-3 30-55 GL drums, LTL Trans., Zone 4 (151-200 mi, RT) Each $54.00 1 $54.00 $350 Minimum / $949 Maximum per Pickup

Orlando TRSTOP5-3 30-55 GL drums, LTL Trans., Zone 5 (>200 mi, RT) Each $59.00 1 $59.00 $400 Minimum / CBC Maximum per Pickup

$235.00

Faci l i ty Item Descr iption UOM Price QTY Nett Pr ice Minimums

Orlando ADMEMANFST Manifest Administration Fee Each $254.00 1 $254.00

$254.00

$432.00

$2,832.00Estimatedd Total :

E&II Estimate :

Equipmentt Subtotal :

Disposall Charges :

Transportationn Charges :

Equipment/Adminn Charges :

Transportationn Subtotal :

Disposall Subtotal :

CONFIDENTIAL Page 3 of 3

3. For a complete list of process code specifications, visit:

https://www.cleanearthinc.com/sites/default/files/Process-Specifications.pdf

4. This proposal must be signed within 30 days of receipt; otherwise a new quote will be reissued.

The terms and conditions from the Master Service (“Agreement”) with an effective date of 02/22/2023 between Stericycle Environmental Solutions, Inc, (now known as Clean Earth Environmental Solutions, Inc.), and Terracon Consultants Inc apply to this quote addendum.

Between: Clean Earth Environmental Solutions, Inc. And: Terracon Consultants Inc

Signature Signature

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From: Ray Hicks To: Matt Brooks; Greller, Rachael Cc: David O"Brien Subject: RE: Quote for GPR services for Private Utility Locates Date: Friday, March 31, 2023 11:02:51 AM Attachments: image001.png image002.png image003.png image006.png image007.png image008.png image009.png

Good morning Rachael, Each project is different depending on location and the size of the scope that we need to preform our work. We do not have a standard pricing for our services. However, you are more than welcome to send us your scope of work for each project and we can send you a proposal.

I have some additional answers to your questions below in red.

Best regards and I hope you have a great weekend.

Raymondjames U. Hicks SUE Division Leader

813-621-4929 | 813-333-5030 rhicks@survtechsolutions.com survtechsolutions.com

From: Matt Brooks <mbrooks@survtechsolutions.com> Sent: Friday, March 31, 2023 10:43 AM To: Greller, Rachael <Rachael.Greller@terracon.com> Cc: David O'Brien <dobrien@survtechsolutions.com>; Ray Hicks <rhicks@survtechsolutions.com> Subject: RE: Quote for GPR services for Private Utility Locates

Rachael, This has been received.

I have copied Ray Hicks, our subsurface utility department lead, on this email. We’ll get you an estimate as soon as possible and follow up with any questions.

Thanks, Matthew S. Brooks, P.S.M, L.S., P.L.S.

Vice President Contracts Manager, Project Manager Licensed: FL, NY, ME

813-621-4929 | 813-333-2370 mbrooks@survtechsolutions.com survtechsolutions.com 10220 U.S. Highway 92 E. Tampa, Florida 33610

From: Greller, Rachael <Rachael.Greller@terracon.com> Sent: Friday, March 31, 2023 10:41 AM To: Sales SurvTech <sales@survtechsolutions.com> Cc: Matt Brooks <mbrooks@survtechsolutions.com> Subject: RE: Quote for GPR services for Private Utility Locates

Good morning, Lydia Wing shared your contact with me. I haven’t heard anything back about my original email attached below.

If you could help point me in the right direction I would greatly appreciate it.

Best regards, Rachael Greller Staff Scientist Environmental Services

1675 Lee Road I Winter Park, FL 32789 D (321) 347-3196 I M (407) 572-7095 rachael.greller@terracon.com I Terracon.com

Please consider the environment before printing this email

From: Greller, Rachael Sent: Friday, March 24, 2023 10:59 AM To: sales@survtechsolutions.com Subject: Quote for GPR services for Private Utility Locates

Good morning, I am requesting a quote for 1 day of GPR services for private utility locates . Please assume that the areas will be over dirt, asphalt or concrete.

For the quote I am requesting the following information:

1. 1- Full day of Services – minimum for an 8 hour day of SUE QL-B is $2,910

2. Additional Pricing conditions (type of ground coverage, mobilization charge, etc.) It all depends on the location of the project and the size of the scope.

3. Are you a minority business? No

4. What regions of Florida do you service? If quotes vary please provide costs for each region.

All, yes the price changes depending on how far we have to mobilize and how big the scope is.

Thank you for your time and please let me know if you have any questions.

Happy Friday!

Rachael Greller Staff Scientist Environmental Services

1675 Lee Road I Winter Park, FL 32789 D (321) 347-3196 I M (407) 572-7095 rachael.greller@terracon.com I Terracon.com

Please consider the environment before printing this email

Terracon provides environmental, facilities, geotechnical, and materials consulting engineering services delivered with responsiveness, resourcefulness, and reliability.

Private and confidential as detailed here (www.terracon.com/disclaimer). If you cannot access the hyperlink, please e-mail sender.

Project Proposal Date: March 30, 2023

Between:

Project Name: Waste Cleanup Program

Project Number:

Project Address: LocaƟons in Florida

Trinity complies with all COVID-19 Guidance and Safety Protocols in the workplace. Client must inform Trinity of all Site Specific COVID-19 protocols, site access requirements, Site Safety Specific cer fica ons and/or equipment needed to complete this project prior to scheduling the work.

Scope of Work:

Client requesƟng a day rate for uƟlity designaƟon at various sites in Florida. Sites are dry cleaner locaƟons and assumed to be less than an acre in size. Client will be taking soil samples and anƟcipates having the specific locaƟons marked prior to scanning. Trinity to designate uƟliƟes and anomalies within 15 Ō of marked locaƟons.

Task 001: EM & Ground PenetraƟng Radar Survey

As requested, we hereby offer a proposal for EM-GPR UƟlity DesignaƟng Services described as SUE Quality Level "B" (QLA) of CI/ASCE 38-02 Standard Guideline for the CollecƟon and DepicƟon of ExisƟng Subsurface UƟlity Data for the above referenced project. UƟlity Scanning will include a variety of electromagneƟc magneƟc (EM), radio frequency (RF) and ground penetraƟng radar (GPR) equipment to determine SUE Quality Level "B" informaƟon (approximate horizontal posiƟon of subsurface uƟliƟes) to idenƟfy the potenƟal for UƟlity conflicts. Underground uƟliƟes will be designated in the field with paint and flags according to the American Public Works AssociaƟon (APWA) Uniform Color Codes.

Deliverables At the compleƟon of work the Client will receive:

● UƟlity markings in the field with paint and flags (where applicable).

● A not to scale, electronic sketch showing uƟliƟes superimposed over an aerial google image or uƟlity plan provided by client.

(855) 3-TRINITY (387-4648)

www.TrinitySubsurface.com Info@TrinitySubsurface.com

Terracon FL (“Client”)

1675 Lee Rd Winter Park, FL 32789

AƩn: Rachael Greller (ordered by)

Trinity Subsurface (“Trinity”)

14 Hadco Road, Suite 103

Wilmington, DE 19804

MaƩ Yoder myoder@trinitysubsurface.com

(302) 333-2608

And

Project No: 23-11173.001 Waste Cleanup Program

TrinitySubsurface.com info@TrinitySubsurface.com (855) 387-4648 Page 2 of 4

● Photo Images of the work area (unless prohibited by the site).

Any specific addiƟonal deliverables required by client should be discussed and agree upon in wriƟng prior to starƟng the project.

AssumpƟons and ClarificaƟons:

● If applicable, client is responsible to provide Technician access to buildings, mechanical/electrical/communicaƟon rooms, manholes, handholes and other uƟlity connecƟon points prior to starƟng the project. Areas should be clear of debris, equipment, or other surface obstrucƟons.

● InacƟve and abandoned lines will be invesƟgated and marked if possible.

● The marking, flagging and sketches of underground uƟliƟes does not include the provision of any depth informaƟon for the uƟliƟes.

● Trinity technicians are equipped with all basic PPE, Safety gear and OSHA 10, & 30, CerƟfied.

If there are any project specific cerƟficaƟons required, the client is responsible for noƟfying Trinity prior to scheduling the proposal.

● Technicians are available to provide any verbal informaƟon needed to the client regarding the uƟlity conflicts involved in the scope of work prior to compleƟon of the project.

● Road Closure permits, Road Opening Permits or Traffic Control not included.

● Basic traffic control including signs and cones are included.

Pricing:

Task 001: EM & Ground PenetraƟng Radar Survey

See map aƩachment for per day charge

This proposal does not account for any prevailing wage rates that may apply to the project. EsƟmated Ɵme to complete the task may be affected by several site factors including unknown uƟlity congesƟon, plasƟc uƟliƟes with no tracer, site/ground condiƟons such as parked vehicles, construcƟon equipment and/or uƟlity access points. If this project exceeds the esƟmated Ɵme to complete, Trinity will contact client to discuss site condiƟons and determine how to proceed. Changes to the scheduled date received aŌer 3:00pm the business day before scheduled work may be subject to a 4 hour charge.

TrinitySubsurface.com info@TrinitySubsurface.com (855) 387-4648 Page 3 of 4

Addi onal Services Available:

S.U.E. | Concrete Scanning | Tank Loca ng | Video Pipe Inspec on

Terms & CondiƟons This proposal & pricing will only be honored up to 60 days from date listed on the proposal.

Any Purchase Orders or Contracts provided by the client or scheduling of work subsequent to dispatch of proposal confirm acceptance of these terms.

Trinity performs geophysical services as outlined by the American Society of Civil Engineer’s (ASCE) 38-02, Standard Guideline for the Collec on and Depic on of Exis ng Subsurface U lity Data. Geophysical services are categorized as Quality Level B data which is defined by the Standard as providing the “approximate horizontal posiƟon of subsurface uƟliƟes.” Any uƟlity or mark within four feet (4’) of any type of excavaƟon, cut, surface disturbance, etc… must be exposed via hand digging or vacuum excavaƟon to determine/confirm the actual uƟlity type, orientaƟon, depth, number, condiƟon and size. There are several factors that affect the ability to designate the locaƟon of subsurface features and as such Trinity strives to minimize, but cannot eliminate, issues associated with excavaƟon acƟviƟes. MulƟple types of equipment are used for every scope of work with the goal of confirming findings with mulƟple scans. Several factors may limit the ability of a facility to be designated and are listed below. The inability to remediate the below may result with incomplete/parƟal subsurface data

Limita ons

UƟlity composiƟon, size, construcƟon, and depth.

Soil saturaƟon / dielectric properƟes.

Access to uƟliƟes either via building or uƟlity structure, such as a manhole, cleanout, uƟlity box, etc.

UƟlity / metallic congesƟon both above and below the surface.

Availability of uƟlity records and drawings.

Site access

WarranƟes and Remedies Trinity has several levels of redundancy built into our process to maximize confidence levels when designaƟng uƟliƟes.

However, the technology does not currently exist to account for all subsurface features. As such, should an issue arise Trinity requires noƟficaƟon promptly aŌer the site has been contained and allowed site access prior to completed repairs and restoraƟon. An internal invesƟgaƟon will be completed to determine root cause. Trinity cannot accept any responsibility for damages, lost Ɵme or the like because of site or technology limits or limitaƟons listed above. If it is determined that Trinity is responsible for any damages Trinity will contract and manage the necessary repairs but will not pay excessive costs due to excessive work. Field markings will fade with Ɵme and with exposure to weather. It is the responsibility of the Client to maintain the field markings at the Ɵme of Trinity’s departure from the site. Performing intrusive work based on sketches or faded marks is not recommended and Trinity will not be responsible for damages associated with such. If marks show sign of wear or field condiƟons do not match field documentaƟon Trinity recommends a remark.

LimitaƟon of Liability The total liability of Trinity to Client from any cause whatsoever, will be limited to the lesser of Client’s actual damages or the Project price paid to Trinity for those Services and Deliverables in a Project that are the subject of Client’s claim. In no event will either party be liable for SPECIAL, INDIRECT, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, including but not limited to loss of profits, revenues, data or power, damage to or loss of the use of products, damage to property, claims of third parƟes, including personal injury or death, suffered as a result of provision of Services or use of Deliverables.

Time for Claims. All claims against Trinity must be brought within fiŌeen (15) calendar days aŌer the cause of acƟon arises and Client waives any statute of limitaƟons which might apply by operaƟon of law or otherwise.

TrinitySubsurface.com info@TrinitySubsurface.com (855) 387-4648 Page 4 of 4

IndemnificaƟon Trinity agrees, to the extent permiƩed by law, to indemnify and hold harmless but shall have no obligaƟon to defend the Client and its officers, directors, and employees (collecƟvely “Client”) from and against liability for damages to the extent actually caused by the negligent acts, errors or omissions of Trinity and its subconsultants, or anyone for whom the Trinity is legally liable, in the performance of professional services under this Agreement. Client agrees, to the extent permiƩed by law, to indemnify and hold harmless but shall have no obligaƟon to defend the Trinity and its officers, directors, employees and subconsultants (collecƟvely “Trinity”) from and against liability for damages to the actually extent caused by the negligent acts, errors or omissions of Client and its contractors, subcontractors, consultants, or anyone for whom Client is legally liable, in connecƟon with this Agreement. Neither Client nor Trinity shall be obligated to indemnify the other party in any manner whatsoever for the other party's own negligence or for the negligence of others.

Publicity Client hereby agrees to permit Trinity to use Client’s company name and logo as well as pictures of work on all media sources including but not limited to; website, brochures, flyers, social media, etc. For ongoing acƟve construcƟon projects under the control of the Client, Client agrees to allow Trinity to furnish signs or banners describing the work performed by Trinity on the site.

Payment Terms & Acceptance Unless otherwise noted payment, terms are Net 30 days from date of invoice. Payments received aŌer the due date will be subject to a 1.5% monthly late fee. Any Purchase Orders or Contracts provided by the client confirm acceptance of these terms. “Paid when paid” contracts may be approved but are subject to a 15% holding fee. No payment may exceed 90 days regardless of terms.

Terracon FL Trinity Subsurface, LLC

Accepted By: Accepted By:

Printed Name & Title: Printed Name & Title:

Date: Date:

PO/Job Number: _________________

EsƟmated or Preferred Start Date:_____________ ___________

Preferred method for accounƟng communicaƟon: (fill out one below):

AccounƟng Department Email:

AccounƟng Department Mailing Address:

Choose your form of payment: ACH: Check: Credit Card:

Check Number:

Name as it appears on card: Credit Card #:

ExpiraƟon Date: CVC Code:

Card Billing Address:

A Geophysical Services Company

5709 First Avenue South Tel.: (727) 209-2334 St. Petersburg, FL 33707 Fax: (727) 328-2477

March 31, 2023

Ms. Rachael Greller Terracon 1675 Lee Road Winter Park, FL 32789

Subject: Proposal to Perform a Utility Designation Study Waste Cleanup Program , Florida GeoView Proposal Number: 10467p

Ms. Greller, The purpose of this letter is to transmit a proposal to complete a geophysical investigation at the subject site. This proposal is in response to your request for proposal made during your recent conversations with our office. GeoView, Inc.

appreciates the opportunity to provide our services on this project. We look forward to hearing from you soon.

Sincerely, GEOVIEW, INC.

Christopher Taylor, P.G.

Vice President Florida Professional Geologist Number 2256 Enclosure

Proposal This document shall serve as a proposal for work to be performed by

GeoView, Inc. for Terracon.

Description of Site

The project is referred to as the Waste Cleanup Program and will be located at various sites throughout Florida. The purpose of the geophysical survey will be to determine the location of underground within designated areas of the project sites.

Scope of Work The geophysical survey will be conducted using ground penetrating radar

(GPR) and conventional electromagnetic (EM) pipe and cable locators. The GPR survey will be conducted using either a Mala and/or a GSSI GPR system. The appropriate GPR antenna configuration and time range and processing parameters will be determined in the field by the project manager.

The EM survey will be performed using a Radiodetection RD (8000, 8100 or 8200) system. As appropriate, the EM survey will be conducted using both passive and active modes. The passive mode is used to find cables and conduits carrying live power (50-60 Hz) and communication (29-33Hz) signals. For the active mode survey, a current is transmitted directly or broadcast into using electromagnetic induction a metal pipe or conduit and the path of the pipe/conduit is identified by following the signal with a portable receiver. The active mode is used to trace out cast iron pipes, metal water and sewer lines, utilities that have trace wires, and inactive power and communication lines.

Based on information provided by Terracon, it does not appear that the work at any of the sites will require MOT (traffic calming efforts). This proposal does not include the costs for the design or implementation of an MOT program.

If requested GeoView can provide vacuum excavation services to determine the exact horizontal location, depth, outside diameters and material type of specific underground utilities of any utilities identified at the project site. The vacuum excavation will be performed using the Vermeer CV573GT vacuum excavation system. It is noted that the vacuum excavation equipment used by GeoView can only identify utilities above the water table or to a maximum depth of 7 to 8 ft in unconsolidated soils. It will not be possible to confirm (using vacuum excavation) the presence, location or depth of utilities that are located below these depths or in consolidated soil/rock. This proposal does not include the vacuum exaction services.

Presentation of Results The location and estimated depths of underground utilities or any other identified structures shall be indicated on the ground surface using spray paint or other methods as specified by Terracon. No report shall be prepared.

Compensation Cost to complete the survey will be be based on a ½ and full day rates with additional mobilization charges to certain regions of the state.

½ day rate: $900 Full day rate: $1300 Additional Mobilization charges o Near Tampa, Orlando, Ocala, Jacksonville and Miami: $0 o Tallahassee Area: $500 o Pensacola Area: $1000 o Naples Area: $400 o Florida Keys: $500

If a scaled AutoCAD site map is required to…

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