CN-370000-HW561-DC033B.pdf

DEP CONTRACT NO.

Task Assignment #: Module #: Grant #:

Contractor Name:

Contractor Representative:

DEP Contract Manager: Phone #:

DEP Site #:

Site Name:

Address(Street, City, County):

Phase:

Task Description [use additional pages if necessary]:

The Deliverable and Invoice Schedule is attached.

Final Deliverables:

Final Deliverable Due Date:

TASK ASSIGNMENT TYPE AND NOT TO EXCEED AMOUNTS:

FIXED FEE

RETAINAGE:

TOTAL TASK ASSIGNMENT VALUE: $0.00

DEP Task Manager:

DEP Contract Manager:

Contractual Authority:

Contractor Representative:

CC: Procurement Section (MS 93) Section Representative ________

TASK ASSIGNMENT NOTIFICATION FORM

COST PLUS FIXED FEE

COST REIMBURSEMENT

FIXED PRICE FEE SCHEDULE

Period of Performance:

Execution of Task Assignment through:

DEP will review the deliverables to verify that they meet the specifications of this contract and task description. DEP’s Contract Manager shall notify the Contractor of any deficiencies in the deliverable(s) and shall give the Contractor reasonable opportunity to correct noted deficiencies and provide a revised deliverable(s).

WCP TAFORM 01_18

HW561

D000 N/ADC033B

Golder Associates

Matt Crews

(850) 245-8992Ben Grubbs

ERIC_4583

Swift Cleaners Inc

1031 3rd St N, Jacksonville Beach, Duval

ISR

This Task Assignment authorizes Golder to conduct supplemental site assessment activities to support an Interim Source Removal (ISR) Work Plan in accordance with the May 28, 2021, Scope of Work, Cost Estimate, and Bid Documentation.

ISR Work Plan

11/29/2021

02/28/2022

$ 41,429.22 $ 0.00 $ 0.00 $ 0.00

$ 0.00

Benjamin Grubbs Digitally signed by Benjamin Grubbs Date: 2021.06.08 13:46:54 -04'00'

Benjamin Grubbs Digitally signed by Benjamin Grubbs Date: 2021.06.08 13:47:04 -04'00'

Digitally signed by Jennifer Farrell Date: 2021.06.09 09:56:34 -04'00'

Donald Miller Digitally signed by Donald Miller Date: 2021.06.09 12:41:06 -04'00'

$ 41,429.22

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

Subtask 2: MAGS Well/VMP Logs and Soil Sampling Field Documentation and Laboratory Report 07/30/2021

Subtask 3: Groundwater Sampling Field Documentation and Laboratory Report and IDW Disposal Documentation 08/20/2021

Subtask 4: MAGS Sampling Field Documentation and Laboratory Report 09/24/2021

Subtask 5: Supplemental Site Assessment Report and ADaPT/GIS update 10/29/2021

Subtask 6: ISR Work Plan 11/29/2021

Subtask 2: Submittal and FDEP approval of MAGS Well/VMP Logs and Soil Sampling Field Documentation and Laboratory Report $ 12,143.01

Subtask 3: Submittal and FDEP approval of Groundwater Sampling Field Documentation and Laboratory Report and IDW Disposal Documentation $ 6,102.50

Subtask 4: Submittal and FDEP approval of MAGS Sampling Field Documentation and Laboratory Report $ 5,959.94

Subtask 5: Submittal and FDEP approval of Supplemental Site Assessment Report and ADaPT/GIS update $ 6,387.56

Subtasks 1 & 6: Submittal and FDEP approval of ISR Work Plan $ 10,836.21

$ 41,429.22

HW561

DC033B

Printed on recycled paper.

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 Interim Secretary

To: HW561 Contract Negotiation File Swift Cleaners Inc Jacksonville Beach, Duval County

ERIC_4583

From: Ben Grubbs, Project Manager Date: June 8, 2021 Subject: Negotiation Summary

HW561 DC033B

This Task Assignment authorizes Golder to conduct supplemental site assessment activities to support an Interim Source Removal (ISR) Work Plan in accordance with the May 28, 2021, Scope of Work, Cost Estimate, and Bid Documentation.

Subtask 1: Project Management An automatic calculation based upon total direct labor hours determines the labor hours within this subtask.

Subtask 2: Soil Sampling and MAGS Well/VMP Installation Golder will install ten soil borings and six modified active gas sampling (MAGS) wells. The six new MAGS wells and five existing MAGS wells will be used as vacuum monitoring points (VMPs). Prior to their installation, a utility locate will be conducted. Golder requested bids for the utility locate from GeoTek, Blood Hound, and McKim & Creed. GeoTek was selected as the lowest responsive and responsible bidder. Golder will collect soil samples at three depth intervals from the ten soil boring locations and four of the MAGS well locations (42 total samples) and analyzed for chlorinated volatile organic compounds (VOCs). Samples will also be collected using 5-gram Encore samplers for possible Synthetic Precipitation Leaching Procedure (SPLP) testing. Investigation-derived waste (IDW) will be temporarily stored in 55-gallon drums. IDW transport and disposal is covered under Subtask 3.

Subtask 3: Annual Groundwater Monitoring Golder will collect groundwater samples from monitoring wells MW001-MW013. Prior to sampling, depth-to-water will be measured. The wells will then be purged, and field parameters will be recorded. The groundwater samples will be collected using low flow sampling methods and analyzed for VOCs. IDW will be temporarily stored in 55-gallon drums. Golder requested bids for IDW drum transport and disposal from Clark, Erwin, and Capitol Environmental. Erwin was selected as the lowest responsive and responsible bidder.

Subtask 4: MAGS Investigation Golder will conduct MAGS testing using the eleven MAGS wells at the site. Photoionization meters and Draeger colorimetric detector tubes will be used to monitor VOCs in the field. One

MEMORANDUM

Swift Cleaners Inc June 8, 2021 Page Two soil vapor sample from each location will be collected in a tedlar bag and analyzed for VOCs using EPA Method TO-15.

Subtask 5: Supplemental Assessment Reporting Golder will submit the Supplemental Site Assessment Report and ADaPT and GIS deliverables to FDEP.

Subtask 6: Interim Source Removal Work Plan Following review of the Supplemental Site Assessment Report, Golder will submit an Interim Source Removal Work Plan to FDEP.

The original Task Assignment totaled $41,849.49 with 258 labor hours but after negotiations and corrections with contractor costs are reflected as below:

The FDEP Project Manager agrees to the scope of work and final cost associated with this Task Assignment. The final cost for this Task Assignment is $41,429.22 with 258 labor hours.

Golder may invoice following the schedule established in the Deliverables and Invoice Schedule Attachment, which accompanies the Task Assignment Notification Form.

FDEP COST ESTI MATEContractor: Golder Associates Inc.

Date: 6/8/2021

Task #: DC033B SubTask 1 Project Management SubTask 6 ISR Work Plan

Site: Swift Beaches SubTask 2 Soil Sampling and MAGS Well/VMP Installation SubTask 7

Activity/Phase: ISRP SubTask 3 Annual Groundwater Monitoring SubTask 8

Project Manager: Ben Grubbs SubTask 4 MAGS Investigation SubTask 9

SubTask 5 Supplemental Assessment Reporting SubTask 10

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

$48.81 Project Manager (RFM) 23 22.7 $0.00 Practice Leader - LV7 0 0 0 0 0 0 0 0 0 0

$59.43 Senior Consultant - LV6 (JCB) 7 1 1 1 2 2 0 0 0 0 $49.47 Senior Sci/Eng.- LV5 (MCC) 61 0 0 9 12 40 0 0 0 0 $48.81 Senior Sci/Eng - LV5 (RFM) 32 7 5 0 20 0 0 0 0 0 $41.54 Staff Sci/Eng - LV4 (JT) 5 0 0 0 5 0 0 0 0 0 $37.85 Project Sci/Eng - LV3 (BL) 12 0 0 0 4 8 0 0 0 0 $26.32 Staff Sci/Eng - LV2 (KF) 16 0 16 0 0 0 0 0 0 0 $26.32 Staff Sci/Eng - LV2 (JS) 18 0 18 0 0 0 0 0 0 0

$0.00 Senior Draftsperson - LD3 0 0 0 0 0 0 0 0 0 0 $0.00 Draftsperson - LD1 0 0 0 0 0 0 0 0 0 0

$29.98 Senior Technician - LT3 (DM) 41 27 0 14 0 0 0 0 0 0 $25.10 Staff Technician - LT2 (DB) 39 26 0 13 0 0 0 0 0 0

$0.00 Technician - LT1 0 0 0 0 0 0 0 0 0 0 $0.00 Senior Admin. - LA3 0 0 0 0 0 0 0 0 0 0

$24.10 Staff Admin - LA2 (AS) 4 0 0 0 2 2 0 0 0 0 $0.00 Admin. Support - LA1 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0

Total Hours 258 23 61 40 37 45 52 0 0 0 0

Direct Labor $9,963.97 $1,107.11 $1,863.16 $1,198.36 $1,250.68 $2,096.00 $2,448.66 $0.00 $0.00 $0.00 $0.00

Overhead 172.50% $17,187.84 $1,909.76 $3,213.95 $2,067.17 $2,157.42 $3,615.60 $4,223.94 $0.00 $0.00 $0.00 $0.00 Gen & Admin 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fringe 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Labor $27,151.81 $3,016.87 $5,077.11 $3,265.53 $3,408.10 $5,711.60 $6,672.60 $0.00 $0.00 $0.00 $0.00

Other Direct Costs $498.20 $55.36 $93.16 $59.92 $62.53 $104.80 $122.43 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF GOLDER Page 1

FDEP COST ESTI MATEContractor: Golder Associates Inc.

Date: 6/8/2021

Task #: DC033B SubTask 1 Project Management SubTask 6 ISR Work Plan

Site: Swift Beaches SubTask 2 Soil Sampling and MAGS Well/VMP Installation SubTask 7

Activity/Phase: ISRP SubTask 3 Annual Groundwater Monitoring SubTask 8

Project Manager: Ben Grubbs SubTask 4 MAGS Investigation SubTask 9

SubTask 5 Supplemental Assessment Reporting SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Travel

Vehicle Rental $485.00 $194.00 $194.00 $97.00 $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 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $485.00 $194.00 $194.00 $97.00 $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 $400.00 $0.00 $400.00 $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 GeoTek $750.00 $750.00 $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 $1,150.00 $750.00 $400.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Handling Fee $115.00 $75.00 $40.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $1,265.00 $825.00 $440.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $5,443.00 $3,219.00 $1,024.00 $1,200.00 $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 $356.00 $189.00 $63.00 $104.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $5,799.00 $3,408.00 $1,087.00 $1,304.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $130.00 $65.00 $32.50 $32.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Drilling related) $765.43 $765.43 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $2,386.80 $1,091.20 $580.60 $715.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (IDW related) $232.80 $116.40 $116.40 $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 $3,515.03 $2,038.03 $729.50 $747.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subtotal $38,714.04 $3,072.23 $11,635.30 $5,775.95 $5,619.13 $5,816.40 $6,795.03 $0.00 $0.00 $0.00 $0.00 Completion Fee $2,715.18 $301.69 $507.71 $326.55 $340.81 $571.16 $667.26 $0.00 $0.00 $0.00 $0.00

Total Estimated Cost $41,429.22 $3,373.92 $12,143.01 $6,102.50 $5,959.94 $6,387.56 $7,462.29 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF GOLDER Page 2

SITE : Swift Beaches SUBTASK: Soil Sampling and MAGS Well/VMP Installation

DATE: 6/8/2021

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Practice Leader (J. Brown) 1

Sr. Proj. Sci/Eng (R Mongillo) 7

Sr. Tech (D. McDaniels) 27

Staff Tech (B. Burton) 26

TOTAL LABOR 61

EQUIPMENT ITEM RATE COSTING UNIT USAGE TOTALS

Miscellaneous Expendables $32.50 Per Day 2 $65.00 Terra Core Sampler (grab samplers) $7.30 Per sampler 42 $306.60 Soil Sampling Kit (through concrete) $208.55 Per Day 2 $417.10 Construction/O&M Supplies $63.05 per Day 2 $126.10 GPS total Station $141.65 Per Day 1 $141.65 Drum, 55-gallon $58.20 Each 2 $116.40 25 gram Encore (SPLP Samples) $8.75 sampler 42 $367.50

Materials for 6 MAGS wells Atlantic Drilling 2" slot screen $22.75 per 5 foot 6 $136.50 Supply 2" Riser $0.00 per 5 foot 0 $0.00

Well Point Bottom $5.36 per cap 6 $32.16 Water tight sealable 2" cap $5.60 per cap 6 $33.60

20/30 sand $5.25 per bag 6 $31.50 Steel Manhole $36.00 per manhole 6 $216.00

Portland cement $6.60 per 47 lb bag 2 $13.20 7% sales Tax $34.72 ls 1 $34.72

TOTAL EQUIPMENT $2,038.03

VEHICLE TYPE RATE UNIT USAGE TOTALS

Truck (Soil borings and MAGS) $97.00 Per day 2 $194.00

TOTAL VEHICLE $194.00

PER DIEM TYPE RATE UNIT USAGE TOTALS

TOTAL PER DIEM $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC TOTALS

VOC halocarbons total CVOC soil samples and one trip blank8260 VOHs $66 42 2 $2,904.00 SPLP Extraction 1311/1312 $48 0 $0.00 Chlorinated VOC analysis for SPLP 8260 VOHs $66 0 $0.00 Waste Characterization of IDW

TCLP Metals soil Method 1311/6010/6020/7470 $125 1 $125.00

TCLP VOCs soil Method 8260 $190 1 $190.00 Sample Shipping small $63 3 $189.00

TOTAL LAB $3,408.00

SUBCONTRACTOR COSTS

NAME PURPOSE RATE COSTING UNIT USAGE TOTALS

GeoTek Utility locate $750.00 lump 1 $750.00

TOTAL $750.00

Review soil analytical data and e-mail deliverable (1 hr).

Complete e-mail summary deliverable with soil analytical results and MAGS construction diagrams (3 hrs). Site visit to locate soil borings and MAGS wells (4 hours).

Field Prep (1 hr). Round trip travel (2 hrs - one hour each day). Advance 16 soil borings to the water table, collect soil samples at 0.5, 2.0, and 3.0 feet bgs for laboratory testing at 14 locations, install MAGS wells using 3.0 feet of screen positioned 0.5 feet to 3.5 feet bgs at six locations, and return the area to similar condition. (12 hrs per day x 2 days = 24 hrs). .

Round trip travel (2 hrs - one hour each day). Advance 16 soil borings to the water table, collect soil samples at 0.5, 2.0, and 3.0 feet bgs for laboratory testing at 14 locations, install MAGS wells using 3.0 feet of screen positioned 0.5 feet to 3.5 feet bgs at six locations, and return the area to similar condition. (12 hrs per day x 2 days = 24 hrs). .

SUBTASK: Annual Groundwater Monitoring

DATE: 6/8/2021

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Senior Sci/Eng (J. Brown) 1

Senior Proj Sci/Eng (R. Mongillo) 5

Project Sci/Eng (K. Fraley) 16

Project Sci/Eng (J. Spengler) 15

Project Sci/Eng (J. Spengler) 3

TOTAL LABOR 40.0

EQUIPMENT ITEM RATE COSTING UNIT USAGE TOTALS

Miscellaneous Expendables $32.50 Per Day 1 $32.50

2 kits per day Shallow Groundwater Sampling Kit $208.55 Per Day 2 $417.10 Tubing, poly/HDPE $0.25 Per Foot 550 $137.50 Tubing, silicon 3/16 x 3/8 $2.00 Per Foot 13 $26.00 Drum, 55-gallon $58.20 Each 2 $116.40

TOTAL EQUIPMENT $729.50

VEHICLE TYPE RATE UNIT USAGE

Truck $97.00 Per Day 1 $97.00 Truck (IDW disposal) $97.00 Per Day 1 $97.00

TOTAL VEHICLE $194.00

PER DIEM STAFF RATE UNIT USAGE

TOTAL PER DIEM $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

VOC halocarbons (13 MW, 1 TB) EPA Method 8260B $66.00 13 1 $924.00 Volatile Organics PID/Hall Series(GW) (IDW) 8260 $100 1 $100.00 Sample Shipping Small $63.00 1 $63.00

TOTAL LAB $1,087.00

SUBCONTRACTOR COSTS

NAME PURPOSE RATE COSTING UNIT USAGE TOTALS

ER IDW soil $100.00 per drum 2 $200.00 ER IDW water (samp) $100.00 per drum 2 $200.00

TOTAL $400.00

Review groundwater sampling results analytical data (1 hour).

Review of final groundwater sampling results and submit e-mail deliverable to FDEP (3 hrs). Complete the soil waste profile and mobilize to site for drum pickup (2 hours).

Mobilize and collect samples from a portion of 13 wells: four shallow zone monitoring wells (MW001, MW002, MW003, and MW005); six intermediate zone monitoring wells (MW004, MW007, MW008, MW009, MW011, and MW012); and three deep zone monitoring wells (MW006, MW010, and MW013). Field event preparation (1 hour). Round trip travel (1 hour per day x 2 days = 2 hours). Water levels, instrument pre and post calibration, and sampling (13 hours).

Mobilize and collect samples from a portion of 13 wells: five shallow zone monitoring wells (MW001, MW002, MW003, and MW005); six intermediate zone monitoring wells (MW004, MW007, MW008, MW009, MW011, and MW012); and three deep zone monitoring wells (MW006, MW010, and MW013). Round trip travel (1 hour per day x 2 days = 2 hours). Water levels, instrument pre and post calibration, and sampling (13 hours).

Return trip to site for IDW disposal

SUBTASK: MAGS Investigation

DATE: 6/8/2021

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Practice Leader (J. Brown) 1

Senior Project Sci/Eng (M. Crews) 9

Senior Tech (D. McDaniels) 14

Project Sci/Eng (H. Huang) 13

TOTAL LABOR 37

EQUIPMENT ITEM RATE COSTING UNIT USAGE TOTALS

Miscellaneous Expendables $32.50 Per Day 1 $32.50 Soil Vapor Sampling Kit (3 tedlar bags a day) $213.40 Per Day 1 $213.40 Tedlar Bags $14.55 Per Bag 3 $43.65 Generator, 25 kW $112.55 Per Day 1 $112.55 Regenerative Blower $92.15 Per Day 1 $92.15 Construction/O&M Supplies $63.05 Per Day 1 $63.05 Vacuum gauges $19.40 Per Day 1 $19.40 Air Flow Meter (anemometer) $17.50 Per Day 1 $17.50 Draeger pump or equivalent $17.50 Per Day 1 $17.50 PCE detector tubes (Low range) $67.90 Package of 10 1 $67.90 PCE detector tubes (High range) $67.90 Package of 10 1 $67.90

TOTAL EQUIPMENT $747.50

VEHICLE TYPE RATE UNIT USAGE

Truck $97.00 Per Day 1 $97.00

TOTAL VEHICLE $97.00

PER DIEM TYPE RATE UNIT USAGE

TOTAL PER DIEM $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TO-15 $200 6 $1,200.00

Sample Shipping large $104 1 $104.00

TOTAL LAB $1,304.00

SUBCONTRACTOR COSTS

NAME PURPOSE RATE COSTING UNIT USAGE

TOTAL $0.00

VOC soil vapor

Review of e-mail deliverable (1 hr).

Data review, engineering calculations, and correspondence with FDEP as needed (3 hrs per day x 1 day = 3 hrs). Prepare e-mail deliverable with MAGS results (6 hrs).

Field preparation (1 hr). Round trip travel (1 hrs). Conduct MAGS study (1 day x 12 hrs per day = 12 hrs).

Round trip travel (1 hrs). Conduct MAGS study (1 day x 12 hrs per day = 12 hrs).

SUBTASK : Supplemental Assessment Reporting

DATE: 6/8/2021

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Senior Sci/Eng (J. Brown) 2

Senior Sci/Eng (R Mongillo) 20

Senior Sci/Eng (M. Crews) MAGS evaluation 12

Project Sci/Eng (B. Lucero) 4

Staff Admin (A.Shportun) 2

Proj. Sci/Eng (J Thomas) 5

TOTAL LABOR 45

EQUIPMENT ITEM RATE COSTING UNIT USAGE TOTALS

TOTAL EQUIPMENT $0.00

VEHICLE TYPE RATE UNIT USAGE

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USAGE

TOTAL PER DIEM $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE RATE COSTING UNIT USAGE

TOTAL $0.00

FDEP GIS data entries for sampling event, including QA sample (36 gw data points x 8 min/point = 288 min. EDD Uploads. Run FDEP data checker and annotate error report.

Review Supplemental Assessment conclusions and recommendations (2 hours).

Reporting, data entry, report tables, develop potentiometric map for shallow, intermediate, and deep zone surficial aquifer, soil and groundwater chlorinated VOC figures, author soil and groundwater screening letter report with conclusions and recommendations.

CADD - report figures

Reporting-document production, binding and shipping

LEVEL OF EFFORT/EXPENSE WORKSHEET

SUBTASK: ISR Work Plan

DATE: 6/8/2021

LABOR CATEGORY *PROVIDE TIME REQUIRED FOR EACH PERSON

STAFF-TITLE WORK DESCRIPTION HOURS

Senior Sci/Eng (J. Brown) 2

Senior Eng/Sci (M. Crews) 40

Project Sci/Eng (B. Lucero) 8

Staff Admin (A.Shportun) 2

TOTAL LABOR 52

EQUIPMENT ITEM RATE COSTING UNIT USAGE TOTALS

TOTAL EQUIPMENT $0.00

VEHICLE TYPE RATE UNIT USAGE

TOTAL VEHICLE $0.00

PER DIEM STAFF RATE UNIT USAGE

TOTAL PER DIEM $0.00

LABORATORY COSTS

PARAMETER RATE # SAMPLES #QAQC

TOTAL LAB $0.00

SUBCONTRACTOR COSTS

NAME PURPOSE RATE COSTING UNIT USAGE

TOTAL $0.00

Review of the Interim Source Removal Plan Deliverable (3 hours).

Reporting-document production, binding and shipping

Prepare Interim Source Removal Work Plan

CADD - report figures

FINAL --7/24/96

FDEP COST ESTIMATEContractor: Golder Associates Inc.

Date: 5/28/2021

Task #: DC033B SubTask 1 Project Management SubTask 6 ISR Work Plan

Site: Swift Beaches SubTask 2 Soil Sampling and MAGS Well/VMP Installation SubTask 7

Activity/Phase: ISRP SubTask 3 Annual Groundwater Monitoring SubTask 8

Project Manager: Ben Grubbs SubTask 4 MAGS Investigation SubTask 9

SubTask 5 Supplemental Assessment Reporting SubTask 10

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

$48.81 Project Manager (RFM) 23 22.7 $0.00 Practice Leader - LV7 0 0 0 0 0 0 0 0 0 0

$59.43 Senior Consultant - LV6 (JCB) 7 1 1 1 2 2 0 0 0 0 $49.47 Senior Sci/Eng.- LV5 (MCC) 61 0 0 9 12 40 0 0 0 0 $48.81 Senior Sci/Eng - LV5 (RFM) 32 7 5 0 20 0 0 0 0 0 $41.54 Staff Sci/Eng - LV4 (JT) 5 0 0 0 5 0 0 0 0 0 $37.85 Project Sci/Eng - LV3 (BL) 12 0 0 0 4 8 0 0 0 0 $26.32 Staff Sci/Eng - LV2 (KF) 16 0 16 0 0 0 0 0 0 0 $26.32 Staff Sci/Eng - LV2 (JS) 18 0 18 0 0 0 0 0 0 0

$0.00 Senior Draftsperson - LD3 0 0 0 0 0 0 0 0 0 0 $0.00 Draftsperson - LD1 0 0 0 0 0 0 0 0 0 0

$29.98 Senior Technician - LT3 (DM) 41 27 0 14 0 0 0 0 0 0 $25.10 Staff Technician - LT2 (DB) 39 26 0 13 0 0 0 0 0 0

$0.00 Technician - LT1 0 0 0 0 0 0 0 0 0 0 $0.00 Senior Admin. - LA3 0 0 0 0 0 0 0 0 0 0

$24.10 Staff Admin - LA2 (AS) 4 0 0 0 2 2 0 0 0 0 $0.00 Admin. Support - LA1 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0 $0.00 0 0 0 0 0 0 0 0 0 0

Total Hours 258 23 61 40 37 45 52 0 0 0 0

Direct Labor $9,963.97 $1,107.11 $1,863.16 $1,198.36 $1,250.68 $2,096.00 $2,448.66 $0.00 $0.00 $0.00 $0.00

Overhead 172.50% $17,187.84 $1,909.76 $3,213.95 $2,067.17 $2,157.42 $3,615.60 $4,223.94 $0.00 $0.00 $0.00 $0.00 Gen & Admin 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Fringe 0.00% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Labor $27,151.81 $3,016.87 $5,077.11 $3,265.53 $3,408.10 $5,711.60 $6,672.60 $0.00 $0.00 $0.00 $0.00

Other Direct Costs $498.20 $55.36 $93.16 $59.92 $62.53 $104.80 $122.43 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF GOLDER Page 1

FDEP COST ESTIMATEContractor: Golder Associates Inc.

Date: 5/28/2021

Task #: DC033B SubTask 1 Project Management SubTask 6 ISR Work Plan

Site: Swift Beaches SubTask 2 Soil Sampling and MAGS Well/VMP Installation SubTask 7

Activity/Phase: ISRP SubTask 3 Annual Groundwater Monitoring SubTask 8

Project Manager: Ben Grubbs SubTask 4 MAGS Investigation SubTask 9

SubTask 5 Supplemental Assessment Reporting SubTask 10

Totals 1 2 3 4 5 6 7 8 9 10 Travel

Vehicle Rental $530.00 $194.00 $194.00 $97.00 $45.00 $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 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Travel $530.00 $194.00 $194.00 $97.00 $45.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subcontractor (Equipment Procurement) 25 gram Encore Samplers $630.00 $630.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Atlantic Drilling $497.68 $497.68 $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 $1,127.68 $1,127.68 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Procurement Fee $112.77 $112.77 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $1,240.45 $1,240.45 $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 $400.00 $0.00 $400.00 $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 GeoTek $750.00 $750.00 $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 $1,150.00 $750.00 $400.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Handling Fee $115.00 $75.00 $40.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Subcontractor Cost $1,265.00 $825.00 $440.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Laboratory Analytical Costs $5,443.00 $3,219.00 $1,024.00 $1,200.00 $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 $356.00 $189.00 $63.00 $104.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Total Laboratory $5,799.00 $3,408.00 $1,087.00 $1,304.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Field Expenses Personal Protection $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Expendables $130.00 $65.00 $32.50 $32.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Drilling related) $267.75 $267.75 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (Analytical related) $2,019.30 $723.70 $580.60 $715.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 Equipment (IDW related) $232.80 $116.40 $116.40 $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 $2,649.85 $1,172.85 $729.50 $747.50 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00

Subtotal $39,134.31 $3,072.23 $12,010.57 $5,775.95 $5,619.13 $5,861.40 $6,795.03 $0.00 $0.00 $0.00 $0.00 Completion Fee $2,715.18 $301.69 $507.71 $326.55 $340.81 $571.16 $667.26 $0.00 $0.00 $0.00 $0.00

Total Estimated Cost $41,849.49 $3,373.92 $12,518.28 $6,102.50 $5,959.94 $6,432.56 $7,462.29 $0.00 $0.00 $0.00 $0.00

REV: 02/03 CEF GOLDER Page 2

Golder Associates Inc.

9428 Baymeadows Road, Suite 400 Jacksonville, Florida USA 32256 T: +1 904 363-3430 | F: +1 904 363-3445

Golder and the G logo are trademarks of Golder Associates Corporation golder.com

VIA EMAIL

May 28, 2021 CX21-467710

Mr. Ben Grubbs Florida Department of Environmental Protection 2600 Blair Stone Road, MS 4520 Tallahassee, FL 32399-2400

RE: COST PROPOSAL FOR A SUPLEMENTAL ASSESSMENT AND INTERIM SOURCE REMOVAL

WORK PLAN

SWIFT CLEANERS BEACHES SITE

1029 NORTH 3RD STREET, JACKSONVILLE BEACH, FLORIDA

DEP FACILITY ID NUMBER: ERIC_4583

PROPOSED TASK ASSIGNMENT: DC033B

Dear Mr. Grubbs:

Golder Associates Inc. (Golder) is pleased to provide the Florida Department of Environmental Protection (DEP) with this cost proposal to prepare a supplemental assessment report and interim source removal (ISR) Work Plan including soil sampling and modified active gas sampling (MAGS) well installation, annual groundwater sampling, and MAGS investigation for the above-referenced site. This proposal includes a description of the proposed scope of services, level of effort sheets for each subtask, and a cost estimate form that summarizes the costs of the proposed services. The proposed scope of services is described below.

SUBTASK 1 – PROJECT MANAGEMENT

To facilitate project quality and satisfactory completion of the proposed scope of work, all aspects of this project will be overseen by an experienced project manager. The project manager will be responsible for the schedule, budget, invoicing, project activities, and communications with DEP and the field team. Project management will include coordination of field activities; resource allocation to confirm the work is conducted by qualified professionals in accordance with the project schedule; cost control and tracking of the budget status; and submittal of project invoices in accordance with DEP Waste Site Cleanup Section requirements. The project manager will oversee the work so that it is conducted in a manner that is consistent with the requirements of the DEP-approved task assignment.

SUBTASK 2 – SOIL SAMPLING AND MAGS WELL/VMP INSTALLATION

Golder will contact Sunshine 811 to initiate a utility locate for underground utilities and use a private utility locator to complete an underground utility locate where the proposed ten soil borings and six MAGS wells are located on the attached Figures 4 and 5. Two of the proposed MAGS wells are located adjacent to SB-1A and SB-4A soil boring resampling locations. Golder will core through the concrete surfaces inside and outside of the building at the selected/accessible locations and use a stainless-steel hand auger to collect soil samples to the top of the water table (approximately 5 feet below ground surface [bgs]). A total of ten soil borings and four borings for MAGS wells will be installed within the vadose zone to collect soil samples at 0.5, 2.0, and 3.0 feet bgs (42 total soil samples)

Mr. Ben Grubbs CX21-467710

Florida Department of Environmental Protection May 28, 2021 for laboratory testing, at each soil boring location and submitted to a fixed-based laboratory for chlorinated volatile organic compounds (VOCs) using EPA Method 8260B. In addition, forty-two soil samples will be collected using an Encore 25-gram sampler at each sample location interval for possible Synthetic Precipitation Leaching Procedure (SPLP) testing, if necessary, based on the evaluation of the total chlorinated VOC results exceeding the leachability soil cleanup target levels. The cost for the SPLP extraction and chlorinated VOC analysis is not included in this proposal and a Work Change Directive will be completed if this testing is necessary after consulting with the FDEP.

There are six proposed MAGS well locations that will be installed along with the five existing MAGS wells (MAG001 through MAG005) that will be used as vacuum monitoring point (VMP) locations during our testing. The five existing MAGS/VMP locations and six proposed MAGS well locations are shown on Figure 5. If any of the five existing MAGS/VMP locations are not accessible during the well installation activities, Golder will install another well at that location to the same construction as documented later in this paragraph. The six proposed MAGS wells will be screened from 0.5 foot bgs to a depth approximate 1.0 foot above the water table which is estimated to be approximately 3.5 feet bgs (bottom of the MAGS well). The MAGS wells will be constructed of 2-inch diameter Schedule 40 PVC, 0.010-inch machine slotted screens. After the PVC well pipe has been installed, a filter pack consisting of 20/30 grade silica sand will be placed within the annular space and brought up to a level above the top of the slotted section of screen, followed by the placement of a layer of bentonite grout to the surface to create a seal. The wells will be flush mounted with the surrounding surfaces and protected using a locking cap and steel cover to avoid damage.

Soil samples will be collected from the wells in accordance with FDEP Standard Operating Procedures (SOPs) for Field Activities (DEP SOP-001/01), dated January 2017 (effective April 16, 2018). The soil will be collected and placed in laboratory-supplied containers, labeled with a unique identification number attached to the outside of the sample container, preserved on ice in a laboratory-provided cooler at a maximum temperature of four degrees Celsius, and delivered to a Florida Department of Health and National Environmental Laboratory Accreditation Program (NELAP)-certified fixed-base laboratory along with the completed chain-of-custody documentation to be analyzed for chlorinated VOCs using EPA Method 8260B.

Golder estimates two days for a two-person field crew to complete soil sampling and MAGS wells/VMP installation.

Soil cuttings from the hand auger borings will be placed in 55-gallon drums, appropriately labeled as IDW, and secured onsite to await waste characterization, profiling, and disposal acceptance. For cost estimating purposes, Golder assumes characterization and disposal of two drums of non-hazardous IDW soil. The drill cuttings will be disposed of in accordance with state and federal regulations.

SUBTASK 3 – ANNUAL GROUNDWATER MONITORING

Golder will collect groundwater samples from the following 13 wells: four shallow zone monitoring wells (MW001, MW002, MW003, and MW005); six intermediate zone monitoring wells (MW004, MW007, MW008, MW009, MW011, and MW012); and three deep zone monitoring wells (MW006, MW010, and MW013). Tables and Figures with monitoring well construction and previous groundwater analytical data, from an E&E report dated April 2020, are provided in Attachment A. The approximate monitoring well locations are presented on Figure 3.

Prior to groundwater sampling, the water level depth will be measured at the wells to be sampled to determine groundwater elevations and groundwater flow direction in the shallow, intermediate and deep surficial aquifer.

Groundwater samples will be collected from the wells in accordance with FDEP Standard Operating Procedures (SOPs) for Field Activities (DEP-SOP-001/01) dated January 2017 approved April 16, 2018. Prior to collecting the groundwater sample, each well will be purged and field parameters including temperature, pH, specific conductance, dissolved oxygen, turbidity, and oxidation-reduction potential will be monitored. Purge volumes and field parameters will be recorded on field data sheets, and the field monitoring equipment will be calibrated in accordance with the manufacturer’s recommended procedures. During the sampling event, the locks and well caps will be inspected for damage or degradation and replaced, as necessary.

Groundwater samples will be collected using low flow sampling methods. The groundwater samples will be placed in laboratory-supplied containers, labeled with a unique identification number attached to the outside of the sample container, preserved on ice in a laboratory-provided cooler at a maximum temperature of four degrees Celsius, and delivered to a Florida Department of Health and National Environmental Laboratory Accreditation Program certified fixed-base laboratory along with the completed chain-of-custody documentation to be analyzed for chlorinated VOCs using EPA Method No. 8260B. For quality assurance purposes, one trip blank will accompany each sample container for laboratory analysis of chlorinated VOCs using EPA Method 8260B. Upon receipt of the laboratory analytical results, Golder will evaluate the groundwater concentrations to determine if off site notification is required.

The purge water will be containerized in a 55-gallon steel drums and stored at the site pending waste characterization and disposal. A sample of the IDW purge water will be collected and analyzed for total VOCs using EPA Method 8260. For cost estimating purposes, Golder assumes characterization and disposal of two drums of non-hazardous IDW purge water. The four drums of IDW, two drums from well purging activities and two drums of soil generated during Subtask 2, will be picked up and transported to a disposal facility by a subcontractor.

SUBTASK 4 – MAGS INVESTIGATION

Once the MAGS wells have been installed, Golder will commence with the MAGS investigation to evaluate the nature and extent of chlorinated VOC impacts in the vadose zone soils. The MAGS investigation results will be used to Identify any source areas located near the boiler room and dry cleaning machine area.

A MAGS assessment involves fitting a regenerative blower to a temporary soil vapor extraction well and, as soil vapor is extracted, it is analyzed on-site using an OVA-PID and/or Draeger colorimetric detector tubes. This methodology allows soil vapor gas to be extracted at a relatively high rate to evaluate soil impacts within the radius of influence (ROI) of the well screen where vacuum is being applied. Soil gas vapor is extracted using a portable regenerative blower (AMETEK ROTRON model EN505AX58ML, 2.0 hp, single phase). The blower is capable of a flow rate of 80 scfm at a vacuum of 50 inches of water (inches H20) under ideal conditions. Power is supplied to the blower via a portable generator. The connection between the wellhead and blower is made using 2-inch diameter vacuum rated flexible PVC tubing and Schedule 40 PVC pipe. Vacuum gauges, a flowmeter, filter, and sample ports are installed in-line.

The MAGS wells are positioned to cover previously reported areas of impact (near former drycleaning machine location and outside the rear door) and identify additional potential sources within the expected radius of influence of the MAGS wells. Based on the previous soil vapor extraction (SVE) system operated at this facility, a ROI in excess of 20 feet was obtained from the VES wells; therefore, a preliminary 20-foot ROI has been assumed for MAGS well spacing. While extracting air from a given extraction point, vacuum measurements will be recorded at other nearby vapor extraction wells (MAGS wells) for evaluating the ROI for given vacuum conditions.

Each of the proposed MAGS wells will be tested using the historical data collected from operating the previous VES system in the vadose zone at this site to obtain the effective field ROI, soil permeability, hydraulic conductivity, pore volume, purge time, and sampling frequency. Based on these calculations, the time that vapor is extracted at each

MAGS well will be adjusted accordingly. An OVA-PID will be used to monitor off-gas (i.e., PCE) from the MAGS sampling point. Field analysis of soil vapor for PCE will be conducted using Draeger colorimetric detector tubes.

The field OVA-PID and detector tubes will be used to monitor extracted vapor at the primary wellheads for VOC concentrations, and the measurements will be graphed as concentrations versus time. The actual ROI will then be estimated mathematically for those times at which VOC concentrations were the greatest. This information will be used to identify the general locations of impacted soils using the data from each extraction point.

Near the end of the MAGS extraction at each location, one soil vapor sample will be collected in a tedlar bag for subsequent laboratory analysis to provide confirmation of the field OVA-PID results and to provide a general assessment of the types and concentrations of remaining chlorinated solvents in soil. This work plan includes a total of six soil vapor samples that will be submitted for fixed-base laboratory analyses using EPA Method TO-15.

A standard turn-around time will be used for analyzing these samples. Golder estimates that the MAGS assessment will take one day to complete.

SUBTASK 5 – SUPPLEMENTAL ASSESSMENT REPORTING

The supplemental assessment report will include a description of sampling procedures, evaluation of analytical results, comparison of current to historical data, tabulated summary of the current and historical analytical data, a site map showing the soil and groundwater analytical results, water level elevation information in tables and figures, laboratory analytical data, conclusions, and recommendations. Golder will update the FDEP GIS tables with the new water level data, field parameter measurements, and VOC data; run the FDEP data checker on the completed tables; and submit the updated tables and error report under this subtask. Additionally, Golder will forward Automated Data Processing Tool (ADaPT) data deliverables provided by the laboratory for the groundwater sampling event.

SUBTASK 6 – INTERIM SOUCE REMOVAL WORK PLAN

Following evaluation of the Supplemental Assessment Report soil and soil vapor testing results, Golder will prepare an ISR Work Plan to complete a limited soil excavation and/or install an SVE system to address the source of contamination in the soil vadose zone. The ISR Work Plan will include the following:

The horizontal extent of the chlorinated VOC impacted soil both the site and property to the east of the subject site, including a delineation of non-hazardous waste soil from the supplemental assessment report.

The proposed site preparation activities, including coordination with property owners, utility location services, tree removal services, a professional land survey, erosion control measures, and documentation of pre-excavation and/or SVE System installation site conditions.

The proposed soil excavation and/or monthly maintenance procedures for the SVE system.

The proposed backfill and site restoration activities, if necessary.

Health and safety considerations, including recommended personal protective equipment and dust control measures.

An estimated cost and schedule to implement the ISR Work Plan.

HEALTH AND SAFETY

Golder will prepare a site-specific Health and Safety Plan for the field work. The work will be completed in accordance with Golder’s safety policies and procedures. At a minimum, Golder will wear safety glasses, high visibility safety vests, and steel-toed boots.

COST AND SCHEDULE

The estimated cost to complete the monitoring is $41,849.49. Golder will tentatively schedule to begin the soil sampling and MAGS well installation in July 2021. Golder anticipates that a two person field crew will take two days for soil sampling and MAGS well installation, one day to complete the annual groundwater sampling, and one day to complete MAGS well sampling. The LOE/CEF cost sheets and subcontractor bids are included in Attachment B.

Subcontractor bids are presented in Attachment C. The following table summarizes the proposed costs and deliverable schedule.

Task Proposed Cost Proposed Schedule/Deliverables

Subtask 1 – Project Management $3,373.92 November 29, 2021

Subtask 2 – Soil Sampling and MAGS Well/VMP Installation $12,518.28

July 30, 2021 (Soil Sampling and MAGS Well/VMP Logs, Field Notes, and Soil Laboratory Report)

Subtask 3 – Annual Groundwater Monitoring $6,102.50

August 20, 2021 (Groundwater Sampling Logs, Field Notes, and Groundwater Laboratory Report)

Subtask 4 – MAGS Investigation $5,959.94 September 24, 2021 (MAGS Sampling Forms, Field Notes, and Soil Vapor Laboratory Report)

Subtask 5 – Supplemental Assessment Reporting $6,432.56 October 29, 2021 (Supplemental Assessment

Report, GIS Tables, ADaPT Deliverables)

Subtask 6 – Interim Source Removal Work Plan $7,462.29 November 29,2021 (ISRP Deliverable, if necessary)

Total/Completion Date $41,849.49 December 31,2021

Please be aware that Golder has been acquired by and is now a Member of the WSP family of companies. Golder remains as a legal entity and is the proposed contracting entity for this proposal. We are in the process of integrating the resources of our companies. Correspondence for this proposal should continue to be addressed to the undersigned.

Golder appreciates the opportunity to provide services for the DEP Waste Site Cleanup Section. Should you require additional information or clarifications, please contact us at (904) 363-3430.

Golder Associates Inc.

Ralph F. Mongillo Jr., PG Jesse C. Brown, PE Senior Geologist Senior Consultant and Associate

RFM/JCB/as

Attachments: Figure 3 – Monitoring Well Location Map

Figure 4 – Proposed Soil Sample Location Map Figure 5 – Proposed MAGS Wells and/or Vapor Monitoring Point Location Map Attachment A – E&E April 2020 Report Tables and Figures Attachment B – LOE/CEF Cost Sheets Attachment C – Subcontractor Bids

G:\Projects\DEP-Drycleaning\Projects\Jax\Swift Beaches\DC033B\Proposal\Interim Source Removal Plan Proposal - ERIC_4583.docx

Grubbs_B Highlight

$400.00 will be the price for this TA.

-BG

$580.00 will be the price for this TA.

$680.00 will be the price for this TA.

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FDEP-DC033

Control No.

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PROPOSED MAGS WELLS AND/OR VAPOR MONITORING POINT

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\O ffi ce \J ac ks on vi lle \d ra fti ng \F ile \F

D

EP

\F D

EP

-D

C \D

C N o

Sw ift C le an er s\

A

- P ro p_

Pa th

Fo rw ar dR pt \A ct iv e D ra w in gs

Fi le

N am e:

F

D

EP

D C

3-

A0

.d

15 30

FEET

1. BASE MAP TAKEN FROM WSP, TITLED SITE MAP, DATED OCTOBER 2018.

2. MAGS - MODIFIED ACTIVE GAS SAMPLE

LEGEND

REFERENCE(S)

PROPOSED MAGS AND AND/OR

VACUUM MONITORING POINT LOCATION