CN-370000-HW689-DC0013B.pdf

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

DC0011B Completion May 31, 2023

This Task Assignment authorizes APTIM to conduct site assessment activities at the Spot Busters Cleaners site located in Coconut Creek, Florida. All work will be conducted in accordance with the scope of work and cost proposal submitted on October 25, 2022.

Kelly Crain 8502458953 Contractor APTIM Contractor

Contractor Eric Kramer Contractor 407-287-3216

ERIC_4244

6750 N State Road 7, Coconut Creek, Broward County, FL

SPOT BUSTERS CLEANERS

Contractor Contractor

✔ $ 102,103.49

$ 0.00

$ 102,103.49

Scope of Work

APTIM

Contractor Eric Kramer

APTIM Contract Manager

Eric Kramer Digitally signed by Eric Kramer Date: 2022.11.07 09:58:34 -05'00'

Teresa Booeshaghi

Teresa Booeshaghi Digitally signed by Teresa Booeshaghi Date: 2022.11.04 16:45:45 -04'00'

11/4/2022

N/A

Task Assignment Notification/Change Order Deliverables and Invoice Schedule Attachment

WC TAFORM

Contract Number:

Task Assignment #:

Deliverables:

Deliverable Deliverable Due Date

Invoice Schedule:

Re�uirements �or Invoice Submittal �mount to be Invoiced

TOTAL COST

Field work documentation including sampling logs, site photos, calibration and well logs for MAGS event (Subtask 2). 01/27/2023

Field work documentation including sampling logs, site photos, calibration and well logs for soil and groundwater sampling event (Subtask 3). 02/24/2023

Email confirmation of completion of Final Well Installation (Subtask 4), Site Assessment Report (Subtask 5) and Project Management (Subtask 1) 03/31/2023

Approval of Field work documentation including sampling logs, site photos, calibration and well logs for MAGS event (Subtask 2). $ 27,282.58

Approval of Field work documentation including sampling logs, site photos, calibration and well logs for soil and groundwater sampling event (Subtask 3). $ 44,479.88

Approval of Email confirmation of completion of Final Well Installation (Subtask 4), Site Assessment Report (Subtask 5) and Project Management (Subtask 1) $ 30,341.03

$ 102,103.49

HW689

DC0013B

FFLORIDAA DEPARTMENTT OF

EEnvironmentall Protection

Bob Martinez Center

2600 Blair Stone Road Tallahassee, FL 32399-2400

Ronn DeSantis Governor

Jeanette Nuñez

Lt. Governor

Shawnn Hamilton Secretary

Memorandum

TO: HW689 Contract File Spot Busters Cleaners

ERIC_4244

FROM: Kelly Crain, Project Manager SUBJECT: Negotiation Summary Task Assignment DC-011B DATE: November 4, 2022

This Task Assignment authorizes Aptim to conduct initial site assessment activities in accordance with the Scope of Work dated October 25, 2022. The Department has reviewed and approved Aptim’s Site Assessment Workplan for the Spot Busters Cleaner’s site. Aptim will implement the Site Assessment Workplan that has been approved by the Department, which includes: a site meeting with the property owner, MAGS testing, soil and DPT groundwater sampling and interior well installation, monitor well installation and sampling, IDW management, a professional land survey, and completing a Site Assessment Report.

The SOW includes sampling of the site’s municipal water supply for VOCs and PFAS to ensure that water used for equipment decontamination is free of contamination. PFAS screening is not included in this SOW but will be tasked under a separate task assignment.

The final costs associated with this Task Assignment are $102,103.49. Aptim may invoice according to the attached schedule.

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LEVEL OF EFFORT / EXPENSE WORKSHEET

SITE : Spot Busters Cleaners

SUBTASK:

DATE: October 25, 2022

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2 Engineer/Scientist 4 J. Williams

Engineer/Scientist 5 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 2 K. McDonald

Engineer/Scientist 1 K. Lucey

Engineering Technician 2 J. Bell Designer 2 S. Ferianc Technical Pub Specialist 3 H. Vining

TOTAL LABOR 124

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 0 $0.00 Van or Truck $120.00 Day 7 $840.00 Van or Truck $480.00 Week 0 $0.00

TOTAL VEHICLE $840.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 3 $110.00 Day 3 $330.00 Day 1-leave before 6:00 AM 3 $36.00 Day 3 $108.00 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 3 $36.00 Day 3 $108.00

TOTAL PER DIEM $546.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

Survtech Solutions Survey and Benchmark Placement $5,905.00 LS 1 $5,905.00 GeoTek Utility Locate Services $750.00 LS 1 $750.00 Hole Products MAGS/Well Supplies (Casing, Screen, Sand) $822.64 LS 1 $822.64

TOTAL $7,477.64

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method TO-15 (VOC Soil Vapor) $200.00 6 0 $1,200.00 EPA Method 8260 (Full List) Soil $150.00 24 0 $3,600.00 EPA Method 1312 SPLP Extraction (Zero Headspace Method) Soil $50.00 0 0 Contingency $0.00 EPA Method 8260 (VOHs) Leachate $73.00 0 0 Contingency $0.00 EPA Method 8260 (Full List) Well $150.00 0 0 $0.00 Sample Shipping (Small cooler) $110.00 0 $0.00 Sample Shipping (large cooler) $150.00 1 $150.00

TOTAL LAB $4,950.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 Day 5 $200.00 Soil Sampling Kit (concrete) $235.00 Day 2 $470.00 MAGS Investigation Kit $500.00 Day 1 $500.00 Tedlar Bags $20.00 bag 3 $60.00 Shallow GW Sampling Kit $260.00 Day 0 $0.00 Encore Sampler $16.00 each 24 $384.00 55 Gallon Drums $100.00 each 1 $100.00

TOTAL EQUIPMENT $1,714.00

2-SiteMeeting, MAGS

MAGS Analytical Data Summary Reporting to FDEP (2 hrs)

Preparation of MAGS, Survey, Utility Markout Soil Sampling Field Events (3 hrs), Sunshine One Markout Requests (1 hr), Reporting of Preliminary Soil Sample Data to FDEP (3 hrs).

Note: Air Analysis by TO-15, Soil Samples by VOCs by EPA Method 8260 (Full List)

Onsite Meeting with Property Manager and Utility White-lines for Markouts including travel (12 hrs), Field Event Preparation for Site Municipal Water Sampling for VOCs and PFAS (2 hrs), Perform Municipal Sampling, Sample Handling and Shipping to FDEP Laboratory (3 hrs), Oversight of GPR Utility Subcontract Survey (10 hrs), Oversight of Professional Site Survey (12 hrs), MAGS Soil Sampling Mobilization and Field Event Preparation (2 hrs), Travel (6 hrs), Advancement of 6 MAGS Soil Borings, including coring for the collection of 24 soil samples at depths of 6", 2', 4, and 6' (14 hrs), Installation of Interior Monitoring Well, including Coring (2 hrs), Preparation of Soil Boring Logs (2 hrs), Surface and Site Restoration (2 hrs).

MAGS Mobilization and Field Event Preparation for MAGS Well and Interior Well Installations and Vapor Sampling (3 hrs), Travel Round Trip (6 hrs), Installation and Construction of 6 MAGS Testing Wells (6 hrs), Installation of 4 Vapor Monitoring Point Locations, including coring (4 hrs), Perform MAGS Tests at 6 locations and collection of 6 Vapor Samples (6 hrs), Assistance with Installation of Interior Monitoring Well (1 hr).

Travel Round Trip (6 hrs), Assistance with Installation and Construction of 6 MAGS Testing Wells (6 hrs), Installation of 4 Vapor Monitoring Point Locations, including coring (4 hrs), Perform MAGS Tests at 6 locations and collection of 6 Vapor Samples (6 hrs).

SITE : Spot Busters Cleaners

SUBTASK:

DATE: October 25, 2022

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

Engineer/Scientist 2 K. Howard

Engineer/Scientist 2 K. McDonald Engineer/Scientist 1 T. Figueroa

Engineering Technician 2 J. Bell

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

TOTAL LABOR 122

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 0 $0.00 Van or Truck $120.00 Day 4 $480.00 Van or Truck $480.00 Week 1 $480.00

TOTAL VEHICLE $960.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 2 $110.00 Day 5 $550.00 Day 1-leave before 6:00 AM 2 $36.00 Day 2 $72.00 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 2 $36.00 Day 5 $180.00

TOTAL PER DIEM $802.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

GW Protection DPT Drilling $11,387.00 Lump 1 $11,387.00

TOTAL $11,387.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method TO-15 (VOC Soil Vapor) $200.00 0 0 $0.00 EPA Method 8260 (Full List) Soil $150.00 60 0 $9,000.00 EPA Method 1312 SPLP Extraction (Zero Headspace Method) Soil $50.00 0 0 Contingency $0.00 EPA Method 8260 (VOHs) Leachate $73.00 0 0 Contingency $0.00 EPA Method 8260 (Full List) DPT Groundwater $150.00 39 0 $5,850.00 EPA Method 8260 (Full List) Well/Piezometers $150.00 4 0 $600.00 EPA Method 8260 (Full List) IDW $150.00 0 0 $0.00 EPA Method 6010 (As, Cd, Cr and Pb) IDW $39.00 0 0 $0.00 EPA Method 1311 TCLP Extraction (Zero Headspace Method/VOCs)-Solid $50.00 0 0 $0.00 EPA Method 1311 TCLP Extraction (Bottle Extraction for Metals)-Solid $45.00 0 0 $0.00 Sample Shipping (Small cooler) $110.00 0 $0.00 Sample Shipping (large cooler) $150.00 0 $0.00

TOTAL LAB $15,450.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 Day 7 $280.00 Soil Sampling Kit (concrete) $235.00 Day 2 $470.00 Monitor Well Installation Kit $325.00 Day 4 $1,300.00 Total Survey Station $50.00 Day 1 $50.00 Shallow GW Sampling Kit $290.00 Day 1 $290.00 Encore Sampler $16.00 each 60 $960.00 55 Gallon Drums $100.00 each 0 $0.00

Soil and Groundwater Samples by VOCs by EPA Method 8260 (Full List)

3-Soil and Groundwater Field Activities

Conference with FDEP for Final Proposed DPT Locations (1 hr), Conference with FDEP for Final Proposed Well Locations (1 hr).

Contacting Property Owners of Proposed Sampling Schedule and Confirming Access (1 hr), Compilation of Field Soil Analytical Data, Preparation of Soil Summary Maps for FDEP (3 hrs), Preparation of Cross Section from DPT Cores to Review Proposed GW Sampling Depths with FDEP (3 hrs), Calculation of TOC and Watertable Elevations, Preparation of Groundwater Flow Map for FDEP (2 hrs), Conference with FDEP for Final Proposed DPT Locations (1 hr), Preparation of DPT Data Maps and Conference with FDEP for Final Proposed Well Locations (2 hrs).

Remaining Soil Sampling Field Event Preparation and Mobilization (2 hrs), Collect Remaining Soil Samples at 15 locations including, Coring, Collection of 60 Soil Samples (20 hrs), DPT Drilling Field Event Preparation and Mobilization (2 hrs), Travel to Site (6 hrs), Installation of two DPT Macrocores to 60 ft bls and installation of 3 Piezometers, DPT Groundwater Sampling at 13 locations (40 hrs), Collection of Groundwater Samples from 3 Piezometers and Interior well (3 hrs), and Survey Wells (1 hr), DPT and Well Groundwater Chain of Custody preparation, Sample Packaging and Sample Delivery (2 hrs), Preparation of Soil Boring and Well Construction Logs (4

Collect Remaining Soil Samples at 15 locations including Travel, Coring, Collection of Soil Samples (20 hrs), Site Restoration, Drum Labeling (2 hrs), Soil Sample Packaging, Chain of Custody and Sample Delivery to Laboratory (2 hrs), Survey Piezometers and Wells with Travel (4 hrs).

LEVEL OF EFFORT / EXPENSE WORKSHEET

SITE :

SUBTASK:

DATE:

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Engineer/Scientist 5 E. Kramer 2 Engineer/Scientist 4 J. Williams

Engineer/Scientist 5 G. Roberts

Engineer/Scientist 2 K. Howard

Engineer/Scientist 2 K. McDonald Engineer/Scientist 1 T. Figueroa

Engineering Technician 2 J. Bell

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

TOTAL LABOR 59

VEHICLE TYPE RATE UNIT USEAGE

Automobile $80.00 Day 0 $0.00 Van or Truck $120.00 Day 4 $480.00 Van or Truck $480.00 Week 0 $0.00

TOTAL VEHICLE $480.00

PER DIEM STAFF RATE UNIT USEAGE

Hotel 2 $110.00 Day 2 $220.00 Day 1-leave before 6:00 AM 2 $36.00 Day 2 $72.00 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 2 $36.00 Day 2 $72.00

TOTAL PER DIEM $364.00

SUBCONTRACTOR COSTS

NAME PURPOSE COST

GW Protection Well Installations $4,943.00 LS 1 $4,943.00 Erwin Remediation IDW T&D $110.00 LS 9 $990.00

TOTAL $5,933.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

EPA Method TO-15 (VOC Soil Vapor) $200.00 0 0 $0.00 EPA Method 8260 (Full List) Soil $150.00 0 0 $0.00 EPA Method 1312 SPLP Extraction (Zero Headspace Method) Soil $50.00 0 0 Contingency $0.00 EPA Method 8260 (VOHs) Leachate $73.00 0 0 Contingency $0.00 EPA Method 8260 (Full List) Wells $150.00 8 0 $1,200.00 EPA Method 8260 (Full List) IDW $150.00 2 0 $300.00 EPA Method 6010 (As, Cd, Cr and Pb) IDW $39.00 2 0 $78.00 EPA 1311 TCLP Extraction (Zero Headspace Method/VOCs)-Soil IDW $50.00 1 0 $50.00 EPA 1311 TCLP Extraction (Bottle Extraction/Metals)-Soil IDW $45.00 1 0 $45.00 Sample Shipping (Small cooler) $110.00 0 $0.00 Sample Shipping (large cooler) $150.00 0 $0.00

TOTAL LAB $1,673.00

EQUIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

Expendables $40.00 Day 4 $160.00 Soil Sampling Kit (concrete) $235.00 Day 0 $0.00 Monitor Well Installation Kit $325.00 Day 2 $650.00 Total Survey Station $50.00 Day 1 $50.00 Shallow GW Sampling Kit $290.00 Day 2 $580.00 Encore Sampler $16.00 each 0 $0.00 55 Gallon Drums $100.00 each 1 $100.00

TOTAL EQUIPMENT $1,540.00

Collection of Final Groundwater Samples and IDW Samples, with travel, Survey Wells, Site Restoration (12 hrs)

Installation of final well network of 3 shallow/1 deep, including travel (20 hrs). Collection of Final Groundwater Samples (8 wells) with travel and Survey Wells (16 hrs), Deliver final samples to laboratory (2 hrs), Preparation of Well Construction Logs (2 hrs).

Spot Busters Cleaners

10/25/2022

Conference with FDEP for Final Well Locations (2 hrs)

Prepare Proposed Location Maps and Recommendations (3 hrs), Characterization and Waste Profile for Transportation and Disposal of IDW Drums (2 hours)

4-Final Well Installations

4-Final Well Installations Page 7 of 8 Copy of DC011B SAR est rev1

SITE :

SUBTASK: 5-Reporting DATE: October 25, 2022

BOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

TITLE STAFF WORK DESCRIPTION HOURS

ineer/Scientist 5 E. Kramer 4 ineer/Scientist 4 J. Williams ineer/Scientist 5 G. Roberts ineer/Scientist 2 K. Howard ineer/Scientist 2 K. McDonald 6 ineer/Scientist 1 T. Figueroa ineering Technician 2 J. Bell igner 2 S. Ferianc 8 hnical Pub Specialist 3 H. Vining 6

TOTAL LABOR: 84

HICLE TYPE RATE UNIT USEAGE

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

TOTAL VEHICLE $0.00

R DIEM STAFF RATE UNIT USEAGE

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

0 $36.00 Day 0 $0.00

TOTAL PER DIEM $0.00

BCONTRACTOR COSTS

NAME PURPOSE COST

TOTAL $0.00

ORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB $0.00

UIPMENT ITEM RATE COSTING UNIT USEAGE TOTALS

TOTAL EQUIPMENT $0.00

Document Production and Formatting Tables and Text (6 hrs).

Site Assessment Report Map Preparations and Drafting

Spot Busters Cleaners

Vapor Data Tabulation (3 hrs), Step Test and Radius of Influence calculations and graphs (3 hrs)

Preparation of MAGS Assessment Findings text (2 hrs), finalization of tables, figures and graphs (2 hrs).

Preparation of SAR text including Site Description, Topography and Drainage, Potable Well Survey tables and figures, Operational History, Summarize Previous Investigations, Site Specific Soil and Groundwater Site Characterization Procedures Text, Tabulate and Report Preparation of Assessment Findings (lithologic borings, soil borings, DPT Sampling, Piezometer and Monitoring Well Installations, Groundwater Sampling) ummarize boring logs, Preparation of GW Flow and Analytical Figures (40 hrs).

Review Logs and Prepartion of SAR Cross Sections, Preparation of Physiography, Regional Geology and Regional Hydrogeology Sections, Preparation of Conceptual Model based on Findings, Preparation of Laboratory QA/QC Summary and Data Recommendations, Preparation of Site Assessment Conclusions and Recommendations (20 hrs).

Proposed Scope of Work Spot Buster Cleaners Site Assessment and Reporting Task Assignment DC011B ERIC_4244 (Former Facility No. 069801109) Aptim Environmental & Infrastructure, LLC October 25, 2022

The following is the proposed scope of work for DC011B for the former Spot Buster Cleaners site located in Coconut Creek, Broward County, Florida. The proposed scope of work under Task Assignment DC011B includes the onsite assessment of soil and groundwater, as well as the preparation of a SAR summarizing the findings of the investigation. Maps showing the proposed soil and groundwater sampling locations, are attached for convenience.

Subtask 1-Project Management Project management hours are calculated based on the labor hours anticipated in the scope of work.

Subtask 2 Meeting & MAGS Preliminary Site Activities A preliminary meeting will be held at the drycleaning location, primarily to meet onsite and discuss the proposed scope of work to be performed with the current property owner. Also at this time, the site municipal water will be sampled for PFAS and VOCs, and the samples submitted to the FDEP Laboratory in Tallahassee for analysis.

Since known underground utilities exist surrounding the former drycleaner, a geophysical survey including ground-penetrating radar and electromagnetic induction will be performed to mark and document all the onsite utilities.

The preliminary site assessment activities will also include the oversight of a professional site survey and placement of benchmarks referenced to NAVD88 east and west of the former drycleaning space.

Modified Active Gas Sampling The initial assessment activity at the site will include performing modified active gas sampling (MAGS) to locate potential source areas at the site. The test should assist in identifying the locations of any suspected soil and groundwater areas that deserve additional investigation. APTIM proposes six (6) MAGS locations inside and outside the space formerly occupied by the drycleaner operations area within the building, as shown on Figure 6. The MAGS extraction points will be installed with a 4 inch concrete core machine and a 3 inch auger to place a 3 foot screened interval from 1 to 4 ft bls. If the groundwater is encountered at a depth deeper or shallower than the anticipated interval, the MAGS screened interval may be adjusted to place the base of the screen to within 12-inches of the depth to groundwater. The locations will be screened continuously with a photo-ionization detector (PID) in accordance with the MAGS procedures, and an active gas sample will be collected at the end of the test for analysis by a fixed laboratory for analysis by Modified EPA Method TO-15.

During the initial MAGS test, a soil vacuum extraction (SVE) step test will be performed at one location to obtain data which can be used for SVE design, if needed. In addition, the test will determine the relationship of groundwater entrainment and vacuum extraction, if within the capacity of the test equipment. During the step test and MAGS testing, four (4) vapor monitoring points (VMPs) will be hand installed at select locations (Figure 6) to allow for collection of vacuum measurements at a distance of 10 ft and 15 ft from the vacuum extraction well being tested. The VMPs will be 1-inch diameter, with a total depth, screen interval and sand pack intervals similar to the larger diameter extraction wells.

The MAGS wells will be left in place for possible future use in the event active remediation is required, such as SVE at the site. The wells will be capped, covered with fine sand, and grouted to seal the surface. The grout seal can easily be removed for future access to the well screens. The VMPs will be removed upon completion of the vacuum extraction test.

While onsite, one shallow well will be hand-installed inside the building at the location shown on Figure 6.

The shallow well will also be constructed of 1-inch diameter PVC with 5 or 10 feet of fine mesh pre-pack 0.006-inch slotted screen with a 30/65 sand pack and installed as deep as possible, or to a depth of 13 ft bls, adjusted for the depth to groundwater encountered at the site. Thereafter, the well will also be sampled for VOCs (full list) to obtain preliminary groundwater analytical data by utilizing a fixed laboratory.

Subtask 3 Soil & GW Field Activities DPT Lithologic Core To develop a lithologic cross-section of the site, two (2) continuous soil cores will be installed to approximately 60 ft bls or to refusal. The two lithologic macrocores will be installed by DPT drilling. The continuous soil core will be visually characterized and logged onsite by a geologist. Special attention will be devoted to the identification of any clay-bearing and/or other low permeable strata that may serve as a confining or semi-confining layer. A qualitative moisture assessment will also be logged throughout the entire bore (wet and dry sections). The findings of the lithologic core will be used to construct the appropriate direct push sampling intervals. The proposed locations for the two lithologic borings are shown on Figure 5.

Installation of Piezometers To determine the surficial groundwater flow, three (3) piezometers will be installed during performance of the continuous soil cores. The DPT rig will install 1-inch diameter polyvinyl chloride (PVC) piezometers screened across the water table to a total depth of approximately 13 ft bls. The shallow piezometer wells will be constructed with 10 feet of 1-inch diameter, Schedule 40 PVC fine mesh pre-pack screen constructed of a 0.006-inch slotted screen with 30/65 sand pack. The proposed locations of the piezometers are shown on Figure 5.

The piezometers will be surveyed for top of casing elevations and water levels will be acquired to yield a general determination of the direction of shallow groundwater flow on the site. Thereafter, the piezometers will also be sampled for volatile organic compounds or VOCs (full list) to obtain preliminary groundwater analytical data by utilizing a fixed laboratory. The piezometers will be completed as permanent monitoring points.

Soil Sampling Twenty-one (21) hand-augered borings will be advanced to an average depth of 5 ft bls to the water table or to the zone of collapse, whichever is first. A geologic log will be prepared from the notes at each bore.

Soil samples will be collected from the 6-inch, 2-foot, 4-foot, and possibly 5 or 6-foot depth intervals for fixed laboratory analysis and identification of potential source areas. The locations of the proposed soil borings are shown on Figure 7. The laboratory samples will be analyzed by Environmental Protection

Agency (EPA) Method 8260 analysis for the presence of VOCs (full list) by a fixed based laboratory.

Additional material will be collected from each sample location (Encores) for possible SPLP extraction (EPA Method 1312) and analysis of the leachate for volatile organic halocarbons (VOHs) by EPA Method 8260.

DPT Groundwater Sampling Groundwater beneath the facility will be characterized by collecting three discrete groundwater samples from proposed direct-push technology (DPT) boring locations. Groundwater samples will be collected from thirteen (13) DPT locations using a GeoProbe® screen point sampler. The sampler will be advanced to the target depths of approximately 10, 20, and 30 ft bls for a total of 39 groundwater samples. The exact depth of groundwater sampling will be adjusted according to potential semi-confining layers identified during previous assessment activities including the lithologic borings. The groundwater samples will be submitted to a fixed laboratory for analysis by EPA Method 8260 for the presence of VOCs (full list). Onsite DPT groundwater sample locations are shown on Figure 8.

Subtask 4- Well Installations After conferring with the FDEP to determine the necessary locations and depths for monitoring wells, based on the site specific assessment data, three (3) additional shallow and one (1) deep monitoring well will be installed at the site. The shallow wells will be installed similar to the piezometers, with a direct push drilling rig. The shallow wells will be similarly constructed of 1-inch diameter PVC with 10 feet of fine mesh pre-pack 0.006-inch slotted screen with a 30/65 sand pack and installed to a total depth of approximately 13 ft bls, dependent on the depth to groundwater encountered at the site.

The deep well will be installed by direct push to an estimated total depth of 30 ft bls. The well will be constructed of 1-inch diameter PVC with 5 feet of fine mesh pre-pack 0.006-inch slotted screen with a 30/65 sand pack installed from 25 to 30 ft bls. A two to three foot fine silica sand seal will be installed above the screen and the remaining annulus will be tremie grouted to just below the surface.

Locations and actual installation depths for the monitoring wells will be discussed and approved by the FDEP prior to installation

Well Sampling Groundwater samples will be collected from all the piezometers (3), the hand installed interior monitoring well (1) and the exterior shallow and deep monitoring wells (4) and submitted to a State of Florida-certified fixed-base laboratory for analyses by EPA Method 8260 (full list).

Subtask 5-SAR Reporting The soil and groundwater results will be compiled and summarized in a Site Assessment Report, prepared in accordance with the requirements of Chapter 62-780, the Contaminated Site Cleanup Criteria.

Field activities will commence in October, upon approval of the task assignment. The work will be scheduled for completion by March 2023. Completion of the preliminary data, including the well network sampling results for FDEP review should be completed before February 24, 2023 and the completed SAR report should be submitted by March 31, 2023. A Task Completion date should be set for May 31, 2023, to allow for review and approval of the SAR, which will be signed and sealed upon submittal.

APTIM proposes to perform this scope of work in accordance with the terms and conditions of the contract executed between APTIM Environmental & Infrastructure, LLC and Florida Department of

Environmental Protection No. HW689. APTIM will begin the proposed scope of work upon issuance of the Task Assignment Notification.

If you have any questions, please do not hesitate to call.

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Sonic Auger DPT Injection Well Abandonment

DATE: 10/6/2022

ESTIMATE #: 1022026

PROJECT DESCRIPTION:

ID QTY Unit Rate TOTAL

1 1 each 1,200.00$ 1,200.00$

2 4 night 250.00$ 1,000.00$

3 DPT Rig and Crew 4 day 1,650.00$ 6,600.00$

4 Materials: Macrocore Sleeves 22 each 3.00$ 66.00$

6 Materials: Water Sample Expendables 39 each 12.00$ 468.00$

7 Materials: Borehole Abandonment 510 foot 0.50$ 255.00$

8 Materials: Concrete Patch 14 each 15.00$ 210.00$

9 Materials: 1"' Sch 40 PVC Well Installation 42 foot 4.00$ 168.00$

10 Materials: (2) 1" x 5' PVC .006 Prepack Screen, 3" Exp Point 3 each 190.00$ 570.00$

11 2' x 2' Concrete Pad w/8" Flush Completion 3 each 125.00$ 375.00$

12 Well Development (Includes 1/2 Hr w/ Pump) 3 each 75.00$ Included

13 Additional Well Development 0 1/2 hour 75.00$ -$

14 New 55 gallon drums: (Soil) (Estimated) 2 each 95.00$ 190.00$

15 New 55 gallon drums: (Decon/Development Water) (Estimated) 2 each 95.00$ 190.00$

16 1 each 95.00$ 95.00$

Completion: 4 Days Subtotal 11,387.00$

TTodd Hodgson

Todd Hodgson TOTAL 11,387.00$ Partner

725 US Hwy 301 South

CLIENT

Coconut Creek, Florida

PROJECT

APTIM

Tampa, Florida 33619

Spot Busters Cleaners 6750 N State Road 7

Gregg Roberts, P.G.

(2) DPT Lithology Boring to 60' (or first refusal) w/Continuous Soil Sampling, Borehole Abandonment

Permits:(Miami Dade County -Up to 8 per App/Parcel)

If you have any questions concerning this proposal contact Todd Hodgson at (407) 426-7885 or Todd@drillprollc.com.

"Actual Quantities will be invoiced"

DPT Soil and GW Sampling w/ Well Installation

DESCRIPTION

Mobilization

Per Diem (2 Man Crew)

"Utility locates on Private Property are the responsibility of the client"

(813) 612-3687

Borehole Clearance to 5’ bgs beyond 30 minutes may require a change order for additional time.

"Damages to utilities on private property during borehole clearance are the responsibility of the client"

(3) 1" x 14' PVC PZW w/10' of .006 Prepack Screen, 2' x 2' Concrete Pad w/8" BD Completion. (No Sampling)

(13) DPT GW Profiling to 30' BLS at 3 Intervals (May Vary 6-10', 16-20' and 26-30'), Borehole Abandonment

Note: It is Groundwater Protection policy that if 'Pea Gravel' is encountered, ANY type of boring/drilling will be terminated immediately and the boring location will need to be relocated to a clear location by the client.

2300 Silver Star Road, Orlando, Florida (407) 426-7885 fax (407) 426-7586

Sonic Auger DPT Injection Well Abandonment

DATE: 10/6/2022

ESTIMATE #: 1022027

PROJECT DESCRIPTION:

ID QTY Unit Rate TOTAL

1 1 each 1,200.00$ 1,200.00$

2 1 night 250.00$ 250.00$

3 DPT Rig and Crew 1 day 1,650.00$ 1,650.00$

4 Materials: Macrocore Sleeves (If Needed) each 3.00$ -$

5 Materials: 1"' Sch 40 PVC Well Installation 72 foot 4.00$ 288.00$

6 Materials: 1" x 5' PVC .006 Prepack Screen, 3" Exp Point 1 each 105.00$ 105.00$

7 Materials: (2) 1" x 5' PVC .006 Prepack Screen, 3" Exp Point 3 each 190.00$ 570.00$

8 2' x 2' Concrete Pad w/8" Flush Completion 4 each 125.00$ 500.00$

9 Well Development (Includes 1/2 Hr w/ Pump) 4 each 75.00$ Included

10 Additional Well Development 0 1/2 hour 75.00$ -$

11 New 55 gallon drums: (Soil) (Estimated) 1 each 95.00$ 95.00$

12 New 55 gallon drums: (Decon/Development Water) (Estimated) 2 each 95.00$ 190.00$

13 1 each 95.00$ 95.00$

Completion: 1 Day Subtotal 4,943.00$

TTodd Hodgson

Todd Hodgson TOTAL 4,943.00$ Partner

CLIENT

Coconut Creek, Florida

PROJECT

APTIM

Tampa, Florida 33619

Spot Busters Cleaners 6750 N State Road 7

Gregg Roberts, P.G.

Permits:(Miami Dade County -Up to 8 per App/Parcel)

If you have any questions concerning this proposal contact Todd Hodgson at (407) 426-7885 or Todd@drillprollc.com.

"Actual Quantities will be invoiced"

725 US Hwy 301 South

DPT Well Installation

DESCRIPTION

Mobilization

Per Diem (2 Man Crew)

"Utility locates on Private Property are the responsibility of the client"

(813) 612-3687

Borehole Clearance to 5’ bgs beyond 30 minutes may require a change order for additional time.

"Damages to utilities on private property during borehole clearance are the responsibility of the client"

(1) 1" x 30' PVC MW w/5' of .006 Prepack Screen, 2' x 2' Concrete Pad w/8" BD Completion. (No Sampling)

Note: It is Groundwater Protection policy that if 'Pea Gravel' is encountered, ANY type of boring/drilling will be terminated immediately and the boring location will need to be relocated to a clear location by the client.

(3) 1" x 14' PVC MW w/10' of .006 Prepack Screen, 2' x 2' Concrete Pad w/8" BD Completion. (No Sampling)

2300 Silver Star Road, Orlando, Florida (407) 426-7885 fax (407) 426-7586

SECTION 7

DPT Drilling Services DPT Cores, Groundwater Sampling and Well Installations

Spot Buster Cleaners 6750 North State Road 7

Coconut Creek, Florida 33073 Site ID ERIC_4244 (Former FAC ID No. 069801109)

Mobilization 1 (DPT Cores, Piezometers, and DPT GW Sampling):

Make and Model of Rig =

1. Number of days to complete DPT Cores, piezometers and GW Sampling work scope including mobe/demobe (Mobilization One) -

2. Estimated number of Drums for Mobilization One:

Lump Sum Price Quotation for Mobilization 1 Scope of Work :____________/Lump

Lump Sum Price Quotation for Additional DPT Daily Rate :________________/Day

(DPT Groundwater Sampling Only)

Mobilization 2 (Well Installations):

Make and Model of Rig =

1. Number of days to complete Well Installations work scope including mobe/demobe (Mobilization Two)

2. Estimated number of Drums for Mobilization Two (Well Installations):

Lump Sum Price Quotation for Mobilization 2 Scope of Work :____________/Lump

(Please also provide Price Estimate Spreadsheet with Company Letterhead) Proposal valid of 120 days

Terms and Conditions in accordance with APTIM’s RFQ

Signed:___________________________________

Name:____________________________________

Title:____________________________________

Company:________________________________

Date:____________________________________

Geoprobe 7730DT

15,582.00

1,580.00 * ( * to add perdiem as needed)

Geoprobe 7730DT

4,609.00

Marcelo Reis

V.P.

Ambient Technologies Inc

10/06/2022

Proposal: # 22210012

Contractor: Aptim Proposal No.: 22210012A Contact Name: Gregg Roberts

Contact Phone: 813 612�3687 Date: 10/6/2022 Contact Email: gregg.roberts� aptim.com

Site Address: 6750 � SR 7, Cocon�t Cree�, �L FDEP ID#:

PROPOSED SCOPE OF WORK: Estimator: MR

Rig Daily Rate - (ma�im�m 10 ho�rs) �hole da� �1,580.00 6 �9,480.00 Rig Half-Day Rate 1 � (ma�im�m 5 ho�rs) hal� da� �1,350.00 �0.00 Prepack Well Screen (incl�des all materials) Length 5ft ID __1_"____ each �92.00 6 �552.00 Well Riser (incl�des all materials) ID-1" 5' Length each �60.00 3 �180.00 per �ell �115.00 3 �345.00 Open, Plug/resurface borehole each �45.00 15 �675.00

Borehole clearance using geophysics (GPR and Electronics) LS �0.00 Airknife/vacumm for borehole clearence- Locations in asphalt/concrete da� �0.00

Mobilization (one rig) Miles round trip: 410 ro�nd trip �575.00 1 �575.00 Daily travel each �70.00 Per Diem - Automatic when field work is longer than 9hr/day or round trip over 150 miles per cre�/night �425.00 6 �2,550.00 DOT Approved 55-gal Drum - NEW each �165.00 3 �495.00 Special Order Closed Top Drums - NEW each �185.00 3 �555.00 Permits 2 (Drilling and abandonment onl�� cost according to � MD � Local M�nicipalities)- MW LS �175.00 1 �175.00 Permits 2 (Drilling and abandonment onl�� cost according to � MD � Local M�nicipalities)- GW LS �675.00 1 TBC Predrilling conference call LS incl�ded Extra hour rate 5 ho�r �250.00 �0.00

TOTAL QUOTE PRICE $15,582.00

NOTES: This proposal is onl� �alid �or this speci�ic scope o� �or�. An� changes, prices shall be re�ised. Act�al �ield da�s, materials and ho�rs �ill be in�oiced

Days to Complete Scope of Work: 1 da�s (depends on access, client sampling time or other restrictions) " Subcontractor Company Name: ATI Companies, LLC Subcontractor Mailing Address: 4610 Central Av. St. Petersburg FL 33711

Signature:___________________________ Reviewer:____________________________ Date: 10/6/2022

�OT�: to sched�le �or�, contact 727�328�0268 Bid Valid �or 90 Da�s

Payment terms: Net 60 days

This proposal acceptance incl�des ATI�s standard Terms and Conditions

�ame o� �irm:�������������������������������������������������� Date: ��������������

Signat�re o� Representati�e: �����������������������������������������

Print name o� signing Representati�e:��������������������������������

Client is responsible �or an� RO� or access permits and MOT �or the �or� to be per�ormed, i� needed.

• DPT install two (2) SB to 60ft. Hand clear to 5ft and macrocore to TD. Grout/Plug and patch once completed.

• DPT install thirteen (13) GW/SB to 30ft. Each to include 3 GW samples. Hand clear to 5ft and macrocore to TD.

Gro�t/Pl�g and patch once completed.

• DPT install three (3) MWs to 14ft. Wells are 1" with 10ft of 0.006 slot prepack screen. Hand clear to 5ft and macrocore to TD.

• Complete wells with 2x2 pad and 8"flush cover.

� Client re��ested ��� dr�ms �

SAFETY

DRILLING DOUBLE CASED WELL

ABANDONMENT

DRILLING ACTIVITIES

Monitoring Well Completion-DPT (incl. sand pac�, seal, pad/MHC, de�elopment, loc�ing cap)

NOTE: This proposal needs to be signed once job is awarded to ATI Companies, LLC

6. A perdiem will automatically be charged when field work is longer than 9hr/day or round trip over 150 miles

1. Includes expendables, tubing, points, liners, caps, plugs, sawcuts, steam cleaning decon, well development, and grouting.

MISCELLANEOUS

2. Well Permits -Requires 5 days Notice to Water Management District - Actual cost only.

3. Utility Clearance - Requires 72 Hour Notice Prior to Drilling. ATI will complete notification to Sunshine State One Call (Sunshine) prior to initiating drilling.

Sunshine will not perform locates on private property (only right of ways and easements). It is the client and/or owners responsibility to provide information from private property. Damage repairs (time and materials) caused to any underground utilities on private property is client responsibility. ATI will review information provided regarding underground utilities to confirm clearance at boring locations. As another safety precaution, ATI will perform hand clear to approximately 5 feet below ground surface to check for utilities prior to drilling. If the client anticipates the potential for multiple utilities underground but has no information on location, we can provide private utility locating services at an additional cost. Please advise us of your needs prior to date of drilling.

4. Price assumes no rock will be encountered in the depth of penetration. Add $15/foot for rock drilling if required.

5. DPT Daily and Half-Day Rate: Hours over Half-day and Full Day Rate - $175 / hour

Contractor: Aptim Proposal No.: 22210012B Contact Name: Gregg Roberts

Contact Phone: 813 612�3687 Date: 10/6/2022 Contact Email: gregg.roberts� aptim.com

Site Address: 6750 � SR 7, Cocon�t Cree�, �L FDEP ID#:

PROPOSED SCOPE OF WORK: Estimator: MR

Rig Daily Rate - (ma�im�m 10 ho�rs) �hole da� �1,580.00 1 �1,580.00 Rig Half-Day Rate 1 � (ma�im�m 5 ho�rs) hal� da� �1,350.00 �0.00 Prepack Well Screen (incl�des all materials) Length 5ft ID __1_"____ each �92.00 7 �644.00 Well Riser (incl�des all materials) ID-1" 5' Length each �60.00 4 �240.00 Well Riser (incl�des all materials) ID-1" 10' Length _ each �65.00 2 �130.00 per �ell �115.00 4 �460.00

Borehole clearance using geophysics (GPR and Electronics) LS �0.00 Airknife/vacumm for borehole clearence- Locations in asphalt/concrete da� �0.00

Mobilization (one rig) Miles round trip: 410 ro�nd trip �575.00 1 �575.00 Daily travel each �70.00 Per Diem - Automatic when field work is longer than 9hr/day or round trip over 150 miles per cre�/night �425.00 1 �425.00 DOT Approved 55-gal Drum - NEW each �165.00 2 �330.00 Special Order Closed Top Drums- NEW each �185.00 �0.00 Permits 2 (Drilling and abandonment onl�� cost according to � MD � Local M�nicipalities)- MW LS �225.00 1 �225.00 Permits 2 (Drilling and abandonment onl�� cost according to � MD � Local M�nicipalities)- GW LS Predrilling conference call LS incl�ded Extra hour rate 5 ho�r �250.00 �0.00

TOTAL QUOTE PRICE $4,609.00

NOTES: This proposal is onl� �alid �or this speci�ic scope o� �or�. An� changes, prices shall be re�ised. Act�al �ield da�s, materials and ho�rs �ill be in�oiced

Days to Complete Scope of Work: 1 da�s (depends on access, client sampling time or other restrictions) " Subcontractor Company Name: ATI Companies, LLC Subcontractor Mailing Address: 4610 Central Av. St. Petersburg FL 33711

Signature:___________________________ Reviewer:____________________________ Date: 10/6/2022

�OT�: to sched�le �or�, contact 727�328�0268 Bid Valid �or 90 Da�s

Payment terms: Net 60 days

This proposal acceptance incl�des ATI�s standard Terms and Conditions

�ame o� �irm:�������������������������������������������������� Date: ��������������

Signat�re o� Representati�e: �����������������������������������������

Print name o� signing Representati�e:��������������������������������

NOTE: This proposal needs to be signed once job is awarded to ATI Companies, LLC

6. A perdiem will automatically be charged when field work is longer than 9hr/day or round trip over 150 miles

1. Includes expendables, tubing, points, liners, caps, plugs, sawcuts, steam cleaning decon, well development, and grouting.

MISCELLANEOUS

2. Well Permits -Requires 5 days Notice to Water Management District - Actual cost only.

3. Utility Clearance - Requires 72 Hour Notice Prior to Drilling. ATI will complete notification to Sunshine State One Call (Sunshine) prior to initiating drilling.

Sunshine will not perform locates on private property (only right of ways and easements). It is the client and/or owners responsibility to provide information from private property. Damage repairs (time and materials) caused to any underground utilities on private property is client responsibility. ATI will review information provided regarding underground utilities to confirm clearance at boring locations. As another safety precaution, ATI will perform hand clear to approximately 5 feet below ground surface to check for utilities prior to drilling. If the client anticipates the potential for multiple utilities underground but has no information on location, we can provide private utility locating services at an additional cost. Please advise us of your needs prior to date of drilling.

4. Price assumes no rock will be encountered in the depth of penetration. Add $15/foot for rock drilling if required.

5. DPT Daily and Half-Day Rate: Hours over Half-day and Full Day Rate - $175 / hour

Client is responsible �or an� RO� or access permits and MOT �or the �or� to be per�ormed, i� needed.

• DPT install three (3) MWs to 14ft. Wells are 1" with 10ft of 0.006 slot prepack screen. Hand clear to 5ft and macrocore to TD.

• DPT install one (1) MW to 30ft. Well is 1" with 5ft of 0.006 slot prepack screen. Hand clear to 5ft and macrocore to TD.

• Complete wells with 2x2 pad and 8"flush cover.

� Client re��ested ��� dr�ms �

SAFETY

DRILLING DOUBLE CASED WELL

ABANDONMENT

DRILLING ACTIVITIES

Monitoring Well Completion-DPT (incl. sand pac�, seal, pad/MHC, de�elopment, loc�ing cap)

SECTION 7

DPT Drilling Services DPT Cores, Groundwater Sampling and Well Installations

Spot Buster Cleaners 6750 North State Road 7

Coconut Creek, Florida 33073 Site ID ERIC_4244 (Former FAC ID No. 069801109)

Mobilization 1 (DPT Cores, Piezometers, and DPT GW Sampling):

Make and Model of Rig =

1. Number of days to complete DPT Cores, piezometers and GW Sampling work scope including mobe/demobe (Mobilization One) -

2. Estimated number of Drums for Mobilization One:

Lump Sum Price Quotation for Mobilization 1 Scope of Work :____________/Lump

Lump Sum Price Quotation for Additional DPT Daily Rate :________________/Day

(DPT Groundwater Sampling Only)

Mobilization 2 (Well Installations):

Make and Model of Rig =

1. Number of days to complete Well Installations work scope including mobe/demobe (Mobilization Two)

2. Estimated number of Drums for Mobilization Two (Well Installations):

Lump Sum Price Quotation for Mobilization 2 Scope of Work :____________/Lump

(Please also provide Price Estimate Spreadsheet with Company Letterhead) Proposal valid of 120 days

Terms and Conditions in accordance with APTIM’s RFQ

Signed:___________________________________

Name:____________________________________

Title:____________________________________

Company:________________________________

Date:____________________________________ nd Conditions in acco

Geoprobe 8040DT, Geoprobe 3230DT, Geoprobe 7822DT

$13,375.00

$1,875

Geoprobe 8040DT, Geoprobe 3230DT, Geoprobe 7822DT

1.5

$7,985.00

Preferred Drilling Solutions, Inc.

8820 66th St. North, Pinellas Park, FL 33782

Ph: 727-561-7477 Fax: 727-561-9028 www.pdsflorida.com

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