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.

HW689

BIL01B Completion April 27, 2024

This Task Assignment (TA) is issued in accordance with the Cost Proposal (CP) submitted by APTIM Environmental & Infrastructure, LLC (APTIM) on October 26, 2023. This TA involves Project Management, a Quality Assurance Project Plan (QAPP), Field Activities, and a Supplemental Site Assessment (SSA) report.

Nancy Murchison 850-245-8979 Contractor Contractor

Contractor Contractor

Contractor Contractor

Contractor

APTIM Environmental & Infrastucture, LLC

APTIM Environmental & Infrastucture, LLC

Eric Kramer 407-287-3216

ERIC_7390

1067 North Highway 79, Esto, FL

Town of Esto - Lamb's Recycling

✔ $ 47,227.91

$ 47,227.91

Scope of Work

Eric Kramer Digitally signed by Eric Kramer Date: 2023.10.31 10:32:23 -04'00'

Jennifer Farrell

Digitally signed by Jennifer Farrell Date: 2023.10.30 14:32:53 -04'00'

N/A

Murchison_N Highlight

Murchison_N Highlight

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

WCP TAFORM 04-2017

Contract Number:

Task Assignment #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Requirements for Invoice Submittal Amount to be Invoiced

TOTAL COST

Submittal of Work Plan/QAPP 11/17/2023

Submittal of Field notes, boring logs, laboratory chain of custody 12/29/2023

Submittal Supplemental Site Assessment Report (SSAR) 02/29/2024

DEP approval of Work Plan/QAPP (Subtask 2) $ 2,978.27

DEP approval of Field notes, borling logs, laboratory chain of custody (Subtask 3) $ 29,561.57

DEP approval of SSAR/Project Management (Subtasks 1 & 4) $ 14,688.07

$ 47,227.91

HW689

BIL01B

www.FloridaDEP.gov

FLORIDA DEPARTMENT OF

Environmental Protection

Bob Martinez Center

2600 Blair Stone Road Tallahassee, FL 32399-2400

Ron DeSantis Governor

Jeanette Nuñez

Lt. Governor

Shawn Hamilton Secretary

Memorandum

TO: APTIM Environmental & Infrastructure, LLC (APTIM)

HW689 Contract File

FROM: Nancy Murchison, Project Manager

DATE: October 27, 2023

SUBJECT: Negotiation Summary – SRP28

Task Assignment (TA) – BIL01B Lambs Recycling, City of Esto – ERIC_7390 File Review Letter of Findings, Field Work and Supplemental Site Assessment Report

This Task Assignment authorizes APTIM to complete a Supplement Site Assessment Work Plan, Quality Assurance Project Plan and Health and Safety Plan. The assessment activities include project management, soil sampling, groundwater sampling, and a Supplemental Site Assessment Report for the referenced site.

Soil Assessment The soil sampling will be performed in accordance with the approved QAPP to fill in data gaps and delineate areas where contaminants of concern were identified during the May 2023 assessment. Soil borings will be advanced to depths up to 8’ below land surface (bls) for lateral and vertical delineation. Soil samples will be collected for analyses of Arsenic, Cadmium, Mercury, Chromium, Dieldrin and TRPH. A total of 90 borings and 262 soil samples will be collected. Of the 262 samples, 186 samples will be submitted for immediate analyses and 76 samples will be extracted and held pending the analytical results from the 186 samples. The following is a breakdown of the soil borings, soil sampling and analysis strategy:

Borings Soil Sample Collection and Analysis Plan

• As -53 111 samples analyzed immediately, 51 samples held

• Cd-1 1 sample analyzed for SPLP

• Cr -11 10 samples analyzed immediately, 23 held

• Pb- 12 38 samples analyzed immediately

• Hg-3 3 immediately, 6 held

• TRPH-4 8 immediately, 2 held

• Dieldrin- 1 3 soil samples analyzed immediately

• PCB- 3 6 soil samples analyzed immediately http://www.floridadep.gov/

Negotiation Summary – Task Assignment (TA) BIL01B Lambs Recycling-City of Esto

ERIC_7390

Calhoun County SSA Activities October 27, 2023 www.FloridaDEP.gov

Additional soil samples will be collected and held for possible analysis to determine leaching potential of Arsenic, Lead, Mercury and TRPH. Depending on the results on the groundwater results analysis of these samples may not be necessary. To ensure compliance with the respective analytical method hold time, the samples that are designated “held” will be extracted and then analyzed pending results of the immediate sample analytical results. The costs for the extraction and subsequent analyses, as well as those soil samples on hold are included in the costs of this TA and will be reconciled upon project completion.

Because there was so much interference that caused elevated dilution factors and method detection limits in the soil samples previously analyzed for heavy metals using EPA Method 6010, FDEP agrees with the laboratory’s recommendation to substitute EPA Method 6020 for heavy metals analysis in soil and groundwater.

Groundwater Assessment There are 7 existing groundwater monitoring wells on-site that were installed and sampled during a previous investigation conducted in 2021. At that time the groundwater analytical results were below Groundwater Cleanup Target Levels. Groundwater samples will be collected again from the 7 monitoring wells to confirm no groundwater contamination is present at the site.

Prior to sample collection the wells will be opened to allow groundwater to equilibrate and depth to groundwater will be measured and recorded. Groundwater samples collected will be analyzed for arsenic, chromium, cadmium, lead, mercury, TRPH and Dieldrin.

Supplemental Site Assessment Report Following the field sampling activities APTIM will prepare and submit a Supplemental Site Assessment Report with findings and documenting the sampling activities and analytical results.

Conclusions and recommendations for future site activities will be included.

The FDEP project manager agrees to the scope of work and proposed cost. The final cost associated with this task assignment is $47,227.91 with 264 total hours.

FDEP COST ESTIMATE

Contractor: Aptim Environmental & Infrastructure, LLC

Date: 10/24/2023

Task #: HW689 BF01B ERIC_7390 SubTask 1 Project Management SubTask 6

Site: Former Lamb's Recycling Facility SubTask 2 2-SSA QAPP Workplan SubTask 7

Activity/Phase: Supplemental Site Assessment (SSA) SubTask 3 3-SSA Field Activities SubTask 8

Project Manager: Nancy Murchison (FDEP)/Eric Kramer (APTIM) SubTask 4 4-SSA Reporting SubTask 9

SubTask 5 SubTask 10

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

$68.41 Project Manager E. Kramer 20 19.9 $68.41 Engineer/Scientist 5 E. Kramer 10 0 0 10 0 0 0 0 0 0 $64.45 Engineer/Scientist 5 G. Roberts 57 5 2 50 0 0 0 0 0 0 $45.13 Engineer/Scientist 4 W. Dempsey 14 14 0 0 0 0 0 0 0 0 $36.08 Engineer/Scientist 3 K. Howard 76 0 76 0 0 0 0 0 0 0 $31.30 Engineer/Scientist 2 M. Donelick 79 0 69 10 0 0 0 0 0 0 $34.02 Designer 2 S. Ferianc 3 3 0 0 0 0 0 0 0 0

$0.00 Designer 1 0 0 0 0 0 0 0 0 0 0 $28.89 Technical Publications Specialist 3 H. Vining 5 3 0 2 0 0 0 0 0 0

Total Hours 264 20 25 147 72 0 0 0 0 0 0

Direct Labor $11,809.47 $1,358.61 $1,142.80 $5,030.68 $4,277.38 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Overhead 85.58% $10,106.55 $1,162.70 $978.01 $4,305.26 $3,660.58 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Gen & Admin 19.38% $2,288.68 $263.30 $221.47 $974.95 $828.96 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fringe 31.96% $3,774.31 $434.21 $365.24 $1,607.81 $1,367.05 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Labor $27,979.01 $3,218.82 $2,707.52 $11,918.70 $10,133.97 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Travel Vehicle Rental $1,120.00 $0.00 $1,120.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Mileage Costs $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Air Fare $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Per diem + Hotel $3,684.00 $0.00 $3,684.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $4,804.00 $0.00 $4,804.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor (Equipment Procurement) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

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

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

Subcontractor (Services Procurement) Drilling (Conventional) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Drilling (Non-conventional) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Mobile Laboratory $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Surveying $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

IDW $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Utilities $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

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

Subcontractor Subtotal $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Handling Fee $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Laboratory

REV: 02/03 CEF SHAW Page 1

Date: 10/24/2023

Task #: HW689 BF01B ERIC_7390 SubTask 1 Project Management SubTask 6

Site: Former Lamb's Recycling Facility SubTask 2 2-SSA QAPP Workplan SubTask 7

Activity/Phase: Supplemental Site Assessment (SSA) SubTask 3 3-SSA Field Activities SubTask 8

Project Manager: Nancy Murchison (FDEP)/Eric Kramer (APTIM) SubTask 4 4-SSA Reporting SubTask 9

SubTask 5 SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Analytical Costs $7,995.00 $0.00 $7,995.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fast Turnaround Charges $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Sample Shipping $652.00 $0.00 $652.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $8,647.00 $0.00 $8,647.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF SHAW Page 2

Date: 10/24/2023

Task #: HW689 BF01B ERIC_7390 SubTask 1 Project Management SubTask 6

Site: Former Lamb's Recycling Facility SubTask 2 2-SSA QAPP Workplan SubTask 7

Activity/Phase: Supplemental Site Assessment (SSA) SubTask 3 3-SSA Field Activities SubTask 8

Project Manager: Nancy Murchison (FDEP)/Eric Kramer (APTIM) SubTask 4 4-SSA Reporting SubTask 9

SubTask 5 SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Field Expenses

Personal Protection $420.00 $0.00 $420.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $240.00 $0.00 $240.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Drilling related) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $2,340.00 $0.00 $2,340.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (IDW related) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Other) $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Field Expenses $3,000.00 $0.00 $3,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subtotal $44,430.01 $3,218.82 $2,707.52 $28,369.70 $10,133.97 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Completion Fee $2,797.90 $321.88 $270.75 $1,191.87 $1,013.40 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Total Estimated Cost $47,227.91 $3,540.70 $2,978.27 $29,561.57 $11,147.37 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF SHAW Page 3

LEVEL OF EFFORT / EXPENSE WORKSHEET

SITE : Former Lamb's Recycling Facility

SUBTASK:

DATE: October 24, 2023

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer Engineer/Scientist 4 J. Williams

Engineer/Scientist 5 G. Roberts 5

Engineer/Scientist 3 W. Dempsey 14 Engineer/Scientist 3 K. Howard Engineer/Scientist 2 M. Donelick Engineer/Scientist 2 P. Davis Engineer/Scientist 1 C. Parker Engineer/Scientist 1 T. Figueroa Engineer/Scientist 1 K. McDonald Engineer/Scientist 1 J. Harris Engineering Technician 4 A. Escobar Engineering Technician 3 D. Young Engineering Technician 2 J. Bell Engineering Technician 2 C. Ramey Engineering Technician 1 K. Gartland Geospatial Analyst 3 H. Vollmer Designer 2 S. Ferianc General Drafting 3 Designer 1 Technical Pub Specialist 3 H. Vining 3

TOTAL LABOR 25

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 0 $0.00 Van or Truck $120.00 Day 0 $0.00

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 0 $110.00 Day 0 $0.00 Day 1-leave before 6:00 AM 0 $36.00 Day 0 $0.00 Day 1-Leave between 6 - Noon 0 $30.00 Day 0 $0.00 Day 1-leave before 6:00 PM 0 $19.00 Day 0 $0.00 Day 0 $36.00 Day 0 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 6020 (As) Groundwater $14.00 0 0 $0.00 Sample Shipping (Small cooler) $110.00 0 $0.00 Sample Shipping (large cooler) $150.00 0 $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 Day 0 $0.00 Shallow GW Sampling Kit $290.00 day 0 $0.00 Water Level Indicator $25.00 Day 0 $0.00 55-gallon Drum $100.00 each 0 $0.00

TOTAL EQUIPMENT $0.00

Prepare QAPP Plan Report (10 hrs), prepare site specific HASP (4 hrs)

2-SSA QAPP Workplan

Completion and Submittal of QAPP Plan, Tables, Figures, Work Plan in Email Deliverable (4 hrs.), formulation of technical plan execution with FDEP (1 hrs)

Report Document Production, Formating Text, Compilation into Adobe Format for Submittal

2-Work Plan&QAPP Page 4 of 6 Lambs Recycling BIL01B CEF_LOE

LEVEL OF EFFORT / EXPENSE WORKSHEET

SITE : Former Lamb's Recycling Facility

SUBTASK:

DATE: October 24, 2023

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Client Program Manager 2 Client Program Manager 1 Project Manager 2 Project Manager 1 M. Hawes Project Manager 1 D. Moser Engineer/Scientist 6 Engineer/Scientist 5 G. Dever Engineer/Scientist 5 E. Kramer Engineer/Scientist 4 J. Williams Engineer/Scientist 5 G. Roberts 2 Engineer/Scientist 4

Engineer/Scientist 3 K. Howard 76

Engineer/Scientist 2 M. Donelick 69

Designer 2 S. Ferianc Technical Pub Specialist 3 H. Vining

TOTAL LABOR 147

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 2 $160.00 Van or Truck $120.00 Day 0 $0.00 Van or Truck $480.00 Week 2 $960.00

TOTAL VEHICLE $1,120.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 2 Howard, Donelick $115.00 Day 12 $2,760.00 Day 1-leave before 6:00 AM 0 $36.00 Day 0 $0.00 Day 1-Leave between 6 - Noon 2 Howard, Donelick $30.00 Day 1 $60.00 Day 1-leave before 6:00 PM 0 $19.00 Day 0 $0.00 Day 2 Howard, Donelick $36.00 Day 12 $864.00

TOTAL PER DIEM $3,684.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 6020-Arsenic (Soil) $14.00 163 4 Equip(2), Field (2) $2,338.00 EPA Method 6020-Arsenic (automotive fluff) $14.00 1 0 $14.00 SPLP Extraction Method 1312-Arsenic (Soil) $45.00 1 0 $45.00 EPA Method 6020-Arsenic (Leachate) $14.00 1 0 $14.00 EPA Method 6020-Lead (Soil) $14.00 39 0 $546.00 SPLP Extraction EPA 1312-Lead (Soil) $45.00 1 0 $45.00 EPA Method 6020-Lead (Leachate) $14.00 1 0 $14.00 EPA Method 8081-Organochlorine Hydrocarbons (Soil) $105.00 3 0 $315.00 FL-PRO-TRPH (Soil) $88.00 12 0 $1,056.00 TPHCWG Fractionation (Soil) $250.00 2 0 $500.00 SPLP Extraction Method 1312-FLPRO (Soil) $45.00 2 0 $90.00 FL-PRO-TRPH (Leachate) $88.00 2 0 $176.00 EPA Method 6020-Cadmium (Soil) $14.00 1 0 $14.00 SPLP Extraction EPA 1312-Cadmium (Soil) $45.00 1 0 $45.00 EPA Method 6020-Cadmium (Leachate) $14.00 1 0 $14.00 EPA Method 7470-Mercury (Soil) $28.00 10 0 $280.00 SPLP Extraction EPA 1312-Mercury (Soil) $45.00 1 0 $45.00 EPA Method 7470-Mercury (Leachate) $28.00 1 0 $28.00 EPA Method 6020 (Chromium) soil $14.00 33 1 $476.00 EPA Method 6020 (Lead) Aq $14.00 7 1 $112.00 EPA Method 6020 (Cadmium) Aq $14.00 7 1 $112.00 EPA Method 6020 (Chromium) Aq $14.00 7 1 $112.00 EPA Method 7471 (Mercury) Aq $26.00 7 1 $208.00 EPA Method 6020 (Arsenic) Aq $14.00 7 1 $112.00 EPA Method 8081 (Dieldrin) Aq $105.00 7 1 $840.00 EPA Method 8082 (PCBs soil) $74.00 6 $444.00 Sample Shipping (Small Cooler) $104.00 0 $0.00 Sample Shipping (Large Cooler) $150.00 4 $600.00 Ice (Bag/Day) $6.50 8 $52.00

TOTAL LAB $8,647.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Personnel Protection Equipment (2 man crew) $35.00 Day 12 $420.00 Expendables $40.00 Day 6 $240.00 Soil Assessment Sampling Kit $175.00 Day 6 $1,050.00 Deep Groundwater Sampling Kit $415.00 Day 1 $415.00 Water Level Indicator $25.00 Day 0 $0.00 Global Positioning System $175.00 Day 5 $875.00

TOTAL EQUIPMENT $3,000.00

Site Work Notifications and Access (1 hr), Order Sampling Kits (1 hr)

3-SSA Field Activities

Analytical breakdown outlined in Table 6 attached

Preparation of field equipment and sample materials for site work (2 hrs.), Round trip Travel to Site (4 hrs). Perform Onsite H&S and Scoping meetings, Record DTW from onsite wells, collect water samples from seven onsite wells for analyses of arsenic, cadmium, mercury, chromium, lead, TRPH and dieldrin (10 hrs.). Lay out sampling grid 29 soil borings (3 hrs), Collection of 188 soil samples for the following analysis performed by fixed base laboratory: 111 soil samples for arsenic using EPA Method 6020 of which 51 samples will be held for analysis pending analytical results of the soil samples in the same boring collected at shallower depths, and one arsenic sample (SB-43R @0.0-0.5 ft bls) will be extracted for leachability testing using EPA Method 1312; Ten samples for chromium using EPA Method 6020 with 23 samples held pending analytical results of the soil samples in the same boring collected at shallower depths; One sample for cadmium leachability analysis using EPA Method 1312; and 38 samples for lead analysis using EPA Method 6010 with one leachability analysis;

and three mercury analysis using EPA Method 7470 with six samplesheld pending analytical results of the soil samples in the same boring collected at shallower depths; and one sample for mercury leachability analysis; and eight samples analyzed for TRPH with two sasamples held analytical results of the soil samples in the same boring collected at shallower depths, two other soil samples will be analyzed for leachability using EPA Method 1312, in addition two samples analyzed for TRPH fractionation using MADEP; and three samples analyzed for dieldrin leachability (47 hrs), Site Cleanup, Chain of custody preparation, Sample Packaging, and shipping to Laboratory (3 hrs).

Preparation of field equipment and sample materials for site work (2 hrs.), Round trip Travel to Site (11 hrs). Perform Onsite H&S and Scoping meetings, Record DTW from onsite wells, sample seven onsite wells for analysis of arsenic, cadmium, mercury, chromium, lead, TRPH and dieldrin (10 hrs.).

Lay out sampling grid 29 soil borings (3 hrs), Collection of 188 soil samples for the following analysis performed by fixed base laboratory: 111 soil samples for arsenic using EPA Method 6020 of which 51 samples will be held for analysis pending analytical results of the soil samples in the same boring collected at shallower depths, and one arsenic sample (SB-43R @0.0-0.5 ft bls) will be extracted for leachability testing using EPA Method 1312; Ten samples for chromium using EPA Method 6020 with 23 samples held pending analytical results of the soil samples in the same boring collected at shallower depths; One sample for cadmium leachability analysis using EPA Method 1312; and 38 samples for lead analysis using EPA Method 6010 with one leachability analysis; and three mercury analysis using EPA Method 7470 with six samplesheld pending analytical results of the soil samples in the same boring collected at shallower depths; and one sample for mercury leachability analysis; and eight samples analyzed for TRPH with two sasamples held analytical results of the soil samples in the same boring collected at shallower depths, two other soil samples will be analyzed for leachability using EPA Method 1312, in addition two samples analyzed for TRPH fractionation using MADEP; and three samples analyzed for dieldrin leachability (47 hrs), Site Cleanup, Chain of custody preparation, Sample Packaging, and shipping to Laboratory (3 hrs).

3-SSA Field Activities Page 5 of 6 Lambs Recycling BIL01B CEF_LOE

SITE :

SUBTASK:

DATE:

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 10 Engineer/Scientist 5 G. Roberts 50 Engineer/Scientist 2 M. Donelick 10

Technical Pub Specialist 3 H. Vining 2

TOTAL LABOR 72

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 0 $0.00 Van or Truck $120.00 Day 0 $0.00

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 0 $110.00 Day 0 $0.00 Day 1-leave before 6:00 AM 0 $36.00 Day 0 $0.00 Day 1-Leave between 6 - Noo 0 $30.00 Day 0 $0.00 Day 1-leave before 6:00 PM 0 $19.00 Day 0 $0.00 Day 0 $36.00 Day 0 $0.00

TOTAL PER DIEM $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

TOTAL $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method 6020 (As) Groundwater $14.00 0 0 $0.00 Sample Shipping (Small cooler) $110.00 0 $0.00 Sample Shipping (large cooler) $150.00 0 $0.00

TOTAL LAB $0.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 Day 0 $0.00 Shallow GW Sampling Kit $290.00 day 0 $0.00 Water Level Indicator $25.00 Day 0 $0.00 55-gallon Drum $100.00 each 0 $0.00

TOTAL EQUIPMENT $0.00

Former Lamb's Recycling Facility

Report Document Production, Formating Tables and Text, Compilation into Adobe Format for Submittal

Preparation of Conclusions and Recommendations, Preparation of Final SSA Report Preparation of SSA Report and Maps, analytical results, boring logs, field notes and report text Preparation of assessment maps noting concentrations

4-SSA Reporting 10/24/2023

Proposed Scope of Work Former Lamb’s Recycling Facility ID ERIC_7390 Supplemental Soil Sampling Task Assignment BIL01B APTIM Environmental & Infrastructure, LLC (APTIM) 10/24/23

The following is a proposed scope of work for the former Lamb’s Recycling Facility, located in Esto, Florida to perform supplemental soil sampling to fill in data gaps remaining after completion of a Supplemental Site Assessment completed on behalf of the FDEP. In addition, groundwater samples will be collected from the seven onsite monitoring wells to confirm no Contaminants of Concern (COC) are present in the shallow aquifer. Results of the Supplemental Site Assessment Report (SSAR) recently completed by APTIM in September 2023 provide the basis for the proposed scope of assessment work. This scope is formulated to obtain data to complete the Conceptual Site Model so a path toward the goal of obtaining a Conditional Closure for the site can be formulated. In addition, the scope of work outlined herein adheres to and incorporates review comments provided by the FDEP.

Subtask - 1: Project Management This task includes project management activities associated with the completion of Tasks 2 through 5, as calculated in accordance with Contract HW689.

Subtask 2 SSA Work Plan/WAPP, and Health and Safety Plan

Subtask 2 includes preparing a Supplemental Site Assessment Work Plan and Quality Assurance Project Plan (SSAWP/QAPP), and Health and Safety Plan (HASP). This submittal may include EPA review and approval prior to commencement of the work, as necessary.

Subtask - 3: Soil & Groundwater Sampling The proposed assessment activities include soil and groundwater sampling. APTIM proposes a groundwater sampling event to confirm COC concentrations do not exceed the GCTLs for the respective constituents. During the recent site work APTIM was able to locate all seven onsite monitoring wells and collect depth to water measurements. APTIM proposes to collect groundwater samples from all seven monitoring wells. Prior to the collection of groundwater samples, the monitor wells will be opened to allow groundwater to equilibrate and record the depth to groundwater measurement. The monitoring wells will be sampled by the micro purge technique utilizing a peristaltic pump (if possible) or a submersible/bladder groundwater sampling pump (dependent on the depth to groundwater) and a field-calibrated YSI multi-parameter instrument with a flow-through cell for the following analyses.

• Arsenic – EPA Method 6020 Chromium – EPA Method 6020

• Cadmium – EPA Method 6020 Lead – EPA Method 6020

• Mercury – EPA Method 7470 TRPH – FL PRO

• Dieldrin – EPA Method 8081

APTIM recommended additional soil sampling to address residential SCTL and leachability exceedances at the Site. As discussed with the FDEP, in order to ensure compliance with the respective analytical method hold times, those soil samples identified for leachability testing will be extracted and held. APTIM will authorize the specific analyses based on the analytical results of the sample. Costs for the extraction and subsequent analyses, as well as those soil samples on hold are included in the project budget which will be reconciled at project completion.

However, leachability testing may not be essential depending on groundwater analytical results.

APTIM recommends the following plan based on each analyte that exceeded during this SSA:

Arsenic:

APTIM recommends 27 replacement soil borings to define the lateral and vertical delineation of on-site arsenic impacts and an additional 26 soil borings for lateral delineation. These soil borings will generate 162 samples of which 111 samples will be analyzed (“run”) immediately using EPA Method 6020 for arsenic, while the remaining 51 samples will be collected and held pending the results of the analyzed samples. Due to the previous analytical results for soil boring SB-43R (0- 0.5), APTIM recommends collecting a soil sample near the location for analysis of arsenic. The soil sample will be collected at the 0-0.5 ft bls depth, and the sample filtered through a screen mesh to reduce the potential of other materials such as automotive fluff being analyzed with the soil matrix. Automotive fluff screened from the sample will be analyzed for arsenic using EPA Method 6020. In addition, the screened soil sample will be analyzed for potential arsenic leaching using EPA Method 1312. As proposed by FDEP, APTIM will add replacement soil borings for SB- 7 through SB-11 (0 - 0.5ft, 0.5ft - 2ft) and SB-48 (0.5 - 2 ft only) for sample collection at same depths. In addition, as recommended by FDEP, APTIM will advance six soil borings at the six grid nodes south of SB-81 through SB-86 for sample collection at the three proposed depths (0 - 0.5ft, 0.5ft - 2ft and 2ft - 4ft).

Cadmium:

APTIM recommends the replacement of SB-30R (0.5-2 ft bls) be analyzed for cadmium following SPLP extraction via EPA Method 1312 to determine the leaching potential of cadmium on-site.

Chromium (Total):

APTIM recommends the replacement of four soil borings and advancement of seven soil borings to define the lateral and vertical delineation of total chromium impacts on-site. The soil borings will collect 33 samples of which ten samples will be immediately analyzed, while 23 will be held.

Each total chromium sample will be analyzed via EPA Method 6020.

Lead:

Two replacement soil borings and advancement of 12 additional soil borings are recommended to delineate onsite lead impacts. In total, 38 samples for lead are recommended for collection and immediate analysis via EPA Method 6020. Soil boring SB-56R (0.5-2 ft bls) exhibited the highest lead concentration and is recommended for leachability testing via EPA Method 1312 and EPA Method 6020. Figure 12C depicts the soil boring locations recommended for lead.

Mercury:

APTIM recommends three soil borings for lateral delineation of mercury impacts on-site which will generate nine soil samples for immediate analysis via EPA Method 7471 of mercury concentrations. In addition, soil boring SB-47R (0-0.5 ft bls) exhibited the highest mercury concentration so APTIM recommends leachability testing via EPA Method 1312 and EPA Method 6020.

TRPHs and TRPH Fractionation:

APTIM recommends two replacement borings and two additional soil borings for lateral delineation of onsite TRPH impacts encountered at boring SB-56. Ten soil samples will be collected from these four borings of which eight samples are immediately analyzed via the FL- PRO Method and two held for analysis pending the results of the first eight sample analysis. In addition, two replacement borings SB-56R (0-0.5 ft bls) and SB-56 (0.5-2 ft bls) will be analyzed for TRPH Fractionation analysis via the Florida Speciation Method TPHCWG Direct Method. To determine leachability potential each replacement boring at SB-56, will also be analyzed for TRPH-SPLP via extraction by EPA Method 1312 and testing by the FL PRO Method.

Dieldrin:

APTIM recommends the replacement boring for SB-56R be sampled at each interval for leachability potential for dieldrin. The three soil samples will be extracted via SPLP extraction and tested using EPA Method 8081 or another appropriate method available for Dieldrin leaching concentration.

PCBs:

During the last field event to the site APTIM observed an electric power pole with three transformers in the vicinity of soil boring SB-2R. Due to the age and poor condition of the transformers APTIM proposes to perform soil sampling at three locations approximately 4 feet out from the pole. Soil samples will be collected at the 0-0.5 ft bls and 0.5-2 ft bls sample depths for analysis using EPA Method 8082 for polychlorinated biphenyl (PCBs).

Subtask - 4: Supplemental Soil Sampling Reporting At the conclusion of the soil sampling event and upon receipt of the analytical report from the fixed base laboratory, a Supplemental Soil Sampling Report documenting the sampling activities and results will be prepared and include conclusions and recommendations for future site activities.

APTIM recommends the following schedule:

Description Due Date

Submittal of Supplemental Site Assessment Work Plan and QAPP Plan 11/17/23

Perform the soil sampling 12/29/24

Submit Supplemental Soil Assessment Report 2/29/24

Task expiration date 4/26/24

APTIM proposes to perform this scope of work in accordance with the terms and conditions of the DEP Contract No. HW689 between the Florida Department of Environmental Protection and APTIM dated December 21, 2021. APTIM will begin the proposed scope of work upon issuance of the Task Assignment Notification.

If you have any questions, please contact us for clarification.

BF01B Proposed Scope of Work