DRAFT FINAL GROUNDWATER SAMPLING PLAN Novmeber 2019

DRAFT FINAL

GROUNDWATER SAMPLING PLAN

Centredale Manor Restoration Project Superfund SiteNorth Providence, Rhode Island

Novmeber 2019

Prepared for

Emhart Industries, Inc.701 E. Joppa Road

Towson, Maryland 21286

and

Black & Decker Inc.701 E. Joppa Road

Towson, Maryland 21286

Prepared by

LOUREIRO ENGINEERING ASSOCIATES, INC.100 Northwest Drive

Plainville, Connecticut 06062

An Employee Owned Company

Comm. No. 07MD813

\\File01\Projects2\RI\North Providence\Smith ST\CMRP-07MD813\Deliverables\Source Area Baseline GW Sampling\Source Area Baseline Groundwater Sampling

Plan DraftFinal.docx

ii

Table of ContentsPage

1. INTRODUCTION 1-1

1.1 Purpose and Scope 1-1

2. SITE DESCRIPTION 2-1

2.1 Remedial Action Objectives 2-1

3. FIELD SAMPLING PLAN 3-1

3.1 Monitoring Well Installation 3-13.2 Well Survey 3-13.3 Monitoring Well Redevelopment 3-23.4 Groundwater Elevation 3-23.5 Groundwater Sample Collection 3-33.6 Groundwater Sample Analysis 3-53.7 Decontamination 3-63.8 Groundwater Sampling Quality Control 3-63.9 Waste Management 3-7

4. REPORTING 4-1

TABLESTable 1 Monitoring Well Construction DetailsTable 2 Monitoring Well Decommissioning PlanTable 3 Monitoring Well Inventory Details

FIGURESFigure 1 Monitoring Well Locations

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ACRONYMS

ARAR Applicable or Relevant and Appropriate Requirements

CMRP Centredale Manor Restoration Project

COC Constituent of Concern

ELLE Eurofins Lancaster Laboratories Environmental

EPA United States Environmental Protection Agency

ESD Explanation of Significant Differences

GMWP Groundwater Monitoring Work Plan

IC Institutional Control

LEA Loureiro Engineering Associates, Inc.

MCL Maximum Contaminant Level

MCLG Maximum Contaminant Level Goal

MS Matrix Spike

MSD Matrix Spike Duplicate

MS/MSD Matrix Spike / Matrix Spike Duplicate

NAPL Non-aqueous Phase Liquid

NTU Nephelometric Turbidity Unit

PCB Polychlorinated Biphenyl

PE Performance Evaluation

PID Photoionization Detector

QA Quality Assurance

QAPP Quality Assurance Project Plan

QC Quality Control

RA Remedial Action

RAO Remedial Action Objective

RCRA Resource Conservation and Recovery Act

RD Remedial Design

RD/RA Remedial Design / Remedial Action

RIDEM Rhode Island Department of Environmental Management

ROD Record of Decision

SD Settling Defendant

SOP Standard Operating Procedure

SVOC Semivolatile Organic Compound

TEQ Toxicity Equivalence

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TPH Total Petroleum HydrocarbonsVOC Volatile Organic Compound

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1-1

1. INTRODUCTIONLoureiro Engineering Associated, Inc. (LEA) has prepared this Groundwater Monitoring Work

Plan (GMWP) for the Centredale Manor Restoration Project (CMRP) Superfund Site in North

Providence, Rhode Island (“the Site”). The Remedial Design (RD) / Remedial Action (RA)

activities are to be undertaken by Emhart Industries, Inc. and Black & Decker Inc. (collectively,

“Settling Defendants” or “SDs”). The GMWP is being submitted to the United States

Environmental Protection Agency (EPA) and the Rhode Island Department of Environmental

Management (RIDEM) (together referred to as “the Agencies”) for review and approval.

1.1 Purpose and Scope

The purpose of this GMWP is to provide groundwater analytical data to establish a baseline for

groundwater quality prior to the installation of the Resource Conservation and Recovery Act

(RCRA) Subtitle C cap. After the completion of the baseline monitoring, monitoring wells will be

decommissioned, except those wells that will be maintained in support of long-term monitoring as

stated below. The monitoring well decommissioning plan is included as part of the Source Area

Cap Remedial Design.

This GMWP includes:

A Monitoring Well Inventory;

Redevelopment Plan;

Groundwater Sample Collection;

Waste Management;

Quality Assurance (QA) / Quality Control (QC) requirements set forth in the RD Quality

Assurance Project Plan (QAPP) (LEA 2018)/and associated addenda

o The QAPP references all LEA Standard Operating Procedures (SOPs) presented

below.

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2-1

2. SITE DESCRIPTION

The Source Area includes approximately nine acres of land which are occupied by the Centredale

Manor and Brook Village apartment complexes, parking areas, and roadways. The Source Area

is part of a larger RD/RA program that includes ponds, waterways, and floodplains adjacent to or

downstream the Source Area. The Source Area is bounded to the north by Route 44, to the east by

commercial and residential properties, to the south by Allendale Pond, and to the west by the

Woonasquatucket River (“the River”).

A majority of the Source Area is presently covered by the existing buildings, asphalt pavement, or

protective surface caps. Three interim soil caps (Cap No. 1, Cap No. 2, and Cap No. 3) and one

RCRA Subtitle C cap (Cap No. 4) have been constructed over contaminated soils in the Source

Area. Cap No. 1 is to the south of the Centredale Manor south parking lot, Cap No. 2 is to the west

of the Centredale Manor building, Cap No. 3 is in the former tailrace (drainage channel) east of

the Centredale Manor building, and Cap No. 4 is located beneath the Brook Village parking lot

adjacent to the River.

The current monitoring wells network includes:

Total Number

Monitoring Wells

Monitoring Wells

Screened in the

Shallow Overburden

Monitoring Wells

Screened in the Deep

Overburden

Monitoring Wells

Screening in Bedrock

26 14 9 3

In addition to the monitoring wells, three piezometers are located in the RCRA Cap No. 4 area

(PZ-LEA-01, PZ-LEA-02, and PZ-LEA-03). The piezometers will be used for groundwater

elevation monitoring only and will not be redeveloped or sampled. Table 1 provides a summary

table including the well screen length and total depth of each well and the locations of the

monitoring wells are shown on Figure 1.

2.1 Remedial Action ObjectivesThe remedial action objectives (RAOs) for the Source Area were defined in the 2012 Record of

Decision (ROD). It is important to note that the groundwater classification has been modified from

the federal Class IIB to the RI GB classification since the ROD was written, as stated in an

Explanation of Significant Differences (ESD) dated September 2019 (EPA, 2019). Due to this

change in groundwater classification, the Applicable or Relevant and Appropriate

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2-2

Requirements (ARARs) will change so that they no longer include Maximum Contaminant Levels

(MCLs) and non-zero Maximum Contaminant Level Goals (MCLGs). The ESD also changed the

footprint of the groundwater cleanup area from 8 to 0.13 acres where a prior removal action took

place in 2009-2010. Long-term monitoring of the groundwater will take place using existing

monitoring wells (MW-04S, MW-07S, MW-09S, MW-GWR-001, MW-GWR-002, and a to-be-

determined upgradient well) and a replacement monitoring well (MW-08SR). Institutional

controls (ICs) will prohibit the installation of drinking water wells to prevent dermal contact with

contaminated groundwater. All other wells are to be decommissioned after the baseline

groundwater sampling event as seen in Table 2. The RAOs for Source Area Groundwater are:

Prevent migration of contaminants from groundwater within the Source Area that would

result in surface water contamination in excess of ARARs.

Prevent migration of contaminants from groundwater that could indirectly lead to

unacceptable human health risks, and/or that could result in exceedance of sediment

cleanup levels.

Prevent direct human exposure by dermal contact with or ingestion of groundwater by

receptors within the Source Area that contain contamination in excess of ARARs.

Comply with Rhode Island’s GB groundwater classification at the Source Area.

The analytical data generated during this assessment will be used to establish baseline groundwater

conditions for future long-term monitoring following installation of the Source Area Soil remedy

(installation of RCRA Subtitle C cap). Furthermore, the analytical data will determine which

shallow upgradient well (GEC-1, GEC-3, and/or MW-11S) will not be abandoned as part of the

well decommissioning event and be added to the long-term Source Area groundwater monitoring

well network.




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3. FIELD SAMPLING PLAN

The following GMWP includes installation of a replacement monitoring well, a monitoring well

inspection, monitoring well development, groundwater elevation measurements, and groundwater

sampling for wells specified in Table 1. The GMWP is based on the findings of

monitoring/piezometer well inventory events, conducted since October 2018 through August 2019

to confirm the well location and protective cover conditions. The findings of these

monitoring/piezometer well inventory field events can be found in Table 3.

3.1 Monitoring Well Installation

A replacement monitoring well will be installed in the vicinity of MW-08S. The original well has

not been located and/or has been destroyed. The replacement well’s identification will be MW-

08SR and will be installed by an LEA contracted driller. The proposed replacement well location

will be geophysically surveyed to clear underground utilities. The well will be drilled using hollow

stem augers and drilling cuttings will be managed in accordance with Section 3.9. The well’sspecifications will reflect the former well documentation, found in Table 2-2 Monitoring Well

Summary from the Remedial Investigation Report (Battelle, 2005). The well’s total depth will be8.5 feet below ground surface (bgs) with a 5-foot screen using 2-inch 0.010-inch slotted PVC

casing. The screen length will intersect the water table. The replacement monitoring well will be

installed in accordance with LEA SOP 10007A Installation of Non-Water Supply Wells and

Piezometers in Unconsolidated Deposits. The well will be developed as part of the well

development task, discussed below.

3.2 Well Survey

Prior to monitoring well redevelopment and collection of groundwater data, a survey of the

condition of the monitoring wells will be completed.

At each monitoring well, the following measurements will be completed and observations made:

Well headspace screening using photoionization detector (PID);

Depth to top of water measured from the inner casing;

Total depth of the well measured from the inner casing;

Depth to non-aqueous phase liquid (NAPL1) if present;

Condition of surface completion (flushmount or stick up);

1 Based on historical data, NAPL is not expected, however, all wells will be screened for the presences of NAPL.




3-2

Condition of the ground surface around the well;

Condition of the inner casing; and

Observations on the bottom of the well (hard or soft)

All measurements and observations will be recorded in the field notes. An interface probe will be

used to screen the wells for NAPL. If the integrity of the monitoring well is unacceptable, repairs

will be made prior to well redevelopment. If the monitoring well is damaged beyond repair, the

monitoring well will be properly decommissioned by a licensed driller and removed from the

ground water sampling program. The EPA will be informed of any well integrity issues or damage

and will be notified before any repairs to wells or well abandonments.

3.3 Monitoring Well Redevelopment

After the monitoring well inventory has been completed, the monitoring wells will be redeveloped.

Monitoring wells will be redeveloped in accordance with LEA SOP 10007B Development of Non-

Water Supply Wells and Piezometers in Unconsolidated Deposits. Purge rates will be recorded on

the Field Sampling Record Well Development form and will vary based on the depth of the well,

casing diameter, condition of the well, and field conditions which will be recorded during the

monitoring well condition survey

Shallow monitoring wells will be developed using surging and purging, and the monitoring wells

greater than 30 feet in depth will be developed by over pumping. During monitoring well

development, a combination of meters will be used to measure water quality parameters including

turbidity, pH, temperature, and specific conductivity and will be measured after every well volume

purged. Water quality parameter meters will be calibrated prior to use, using calibration solutions.

A midday calibration check will be conducted. Acceptance criteria for calibration is identified in

QAPP Worksheet #22. Water quality parameter meters will be recalibrated if field conditions

change and/or spike or anomalies in major parameter measurements occur during purging. A

monitoring well will be considered re-developed after the turbidity has stabilized at less than 5

Nephelometric Turbidity Units (NTUs). If the turbidity has not stabilized below 5 NTUs after 8-

hours of well development, other redevelopment methods may be considered. Purged groundwater

will be containerized and managed in accordance with Section 3.9.

3.4 Groundwater elevation

Following redevelopment of the monitoring wells, a comprehensive set of groundwater elevation

data will be collected. Groundwater elevation data will be collected in accordance with LEA SOP

10068 Groundwater and non-aqueous phase liquids (NAPL) Measurements. Measurements will




3-3

be recorded on the field forms and documented in accordance with the LEA SOP 10038

Documentation and Integrity of Field Sampling Activities.

The groundwater elevation measurements will be collected within a 10-hour day, weather

conditions, including daily rainfall totals for 48 hours prior to data collection will be documented

on the field forms. The water level measurements will be using an interface probe with an accuracy

of 0.01 foot.

3.5 Groundwater Sample Collection

Ultra low-flow and low flow sampling methods will be used to collect groundwater sample onsite

(Source Area) monitoring wells and offsite monitoring wells.

Groundwater samples will be collected from each monitoring well using ultra low flow sampling

methods for dioxins/furans, PCB Congeners, and PCB aroclors; while the remaining sampling

analysis, as see below, will be sampled using low-flow sample collection protocol. Ultra low-flow

sampling is a modification of LEA SOP 10039 Low-flow (low stress) Liquid Sample Collection

and Field Analysis. The goal of this ultra-low flow sampling method is to reduce the turbidity of

the groundwater sample by not disturbing the sediment at the bottom of the well and purging at a

low flow rate and so that the groundwater sample is representative of the dissolved concentrations

of constituents of concern (COCs) and not what is absorbed to sediment. The increase in rate of

flow from ultra low-flow sampling collection to low-flow sampling collection is to reduce the time

for sampling.

After the well survey and water levels have been completed, the pumps and associated tubing will

be installed in each well 14 days prior to the groundwater sampling event, to avoid disturbing the

sediment at the bottom of the monitoring well at the time of sampling. Pumps and associated tubing

(Teflon) will vary based on well depth and construction. After the pumps and/or associated tubing

have been installed in the monitoring wells, the monitoring wells will not be disturbed until after

the collection of groundwater samples. Weather will be monitored for the 14 days prior to the

monitoring event and groundwater sampling will not be collected when the River is at a flood stage

or following a significant rainfall event.

The groundwater samples collected from monitoring wells located in the Source Area will be

collected using the following modifications to the SOP:

Section 5.7.5 of the SOP specifics that the purge rate shall be approximately 100 milliliters

per minute (ml/min), with the purge rate not to exceed 250 ml/min. For ultra low flow




3-4

groundwater sampling in the Source Area, the specification will be modified such that the

purge rate will be 40 ml/min or less.

Section 5.9.2 of the SOP specifies that if after 2 hours of purging or three well volumes the turbidity

has not stabilized, then the sample collection will be initiated. For the ultra low-flow groundwater

sampling in the Source Area, this specification is modified such that if the turbidity has not

stabilized, sample collection will be initiated only if a turbidity level of less than 5 NTUs has been

established and has stabilized. If 5 NTUs is not achieved, additional redevelopment of the

monitoring well will be considered.

Both unfiltered and filtered groundwater samples will be collected and submitted for analysis,

specifically dioxins/furans, polychlorinated biphenyl (PCB) congeners, and metals. The filtered

samples will be field-filtered using well-dedicated 0.45-micron in-line filters. The purged

groundwater will be contained as described in Section 3.9.

Groundwater samples will be collected using either a peristaltic pump with dedicated tubing and/or

a bladder pump with dedicated tubing. Monitoring wells with a total depth to water of less than 25

feet will be sampled using a peristaltic pump/bladder pump combination and wells with water table

deeper than 25 feet will be sampling using a bladder pump. The tubing or pump intake will be

placed at the mid-point of the well screen. After the tubing or pump have been installed, the water

column will not be disturbed by collections of total well depth or moving the tubing or pump.

For wells sampled with a peristaltic pump/bladder pump combination, the sampling procedure is

as follows:

Wells will be purged via ultra-low flow sampling method using a peristaltic pump.

Sampling will occur for dioxins/furans, PCB Congeners, and PCB aroclors.

Ultra-low flow turbidity spot check will be conducted

The pump rate will be increased to low-flow pump rate and sampling will occur for all

remaining analytes with volatile organic compounds (VOCs) being collected last.

The tubing will be pulled and a decontaminated bladder pump including a new bladder

with new dedicated tubing will be submerged slowly to the middle of the screen. The well

will be purged again via low-flow sampling protocol, until groundwater quality indicating

parameters stabilize and VOCs will be collected. VOCs will be collected using a bladder




3-5

pump for compliance with RIDEM and EPA Region 1’s low stress (low flow) samplingprocedure for the collection of groundwater samples.

For wells sampled with a bladder pump only, the purging and sampling procedures remain the

same.

Monitoring wells located outside of the Source Area will be sampled using the same sampling

methods as above. The offsite monitoring wells include: MW-10B, MW-10D, MW-11S, MW-

11M, MW-11B, and MW-12D.

3.6 Groundwater Sample Analysis

Groundwater samples will be collected into laboratory provided bottleware containing parameter-

specific preservatives. The specifications for sample collection processes, sample containers, and

preservatives used to store samples prior to analysis were determined based on requirements in the

published analytical methods or EPA Region I data validation guidelines. Required sample

volumes, containers, and preservation requirements for each method and matrix are presented in

Worksheet #19 and Worksheet #20 in the QAPP. The table below identifies the controlling

QAPP/addenda and the performing laboratory for each analysis. The sampling analysis listed

below is in order of sample collection (for monitoring wells with sampling by peristaltic/bladder

pump combination, VOCs will be collected individually by both pumping methods).

Testing Parameter QAPP Document Performing Laboratory

Dioxin/furans (Toxicity Equivalence

[TEQ]) *RD QAPP

Eurofins Lancaster Laboratories

Environmental (ELLE)

PCB Congeners (TEQ) * RD QAPP and Addendum 005 ELLE

PCBs (Aroclors) RD QAPP Tunxis Laboratories, LLC (Tunxis)

Turbidity Spot Check

Pump Rate Increase to Low-Flow Rate

Metals * RD QAPP and Addendum 004 Tunxis

Total Petroleum Hydrocarbons (TPH) RD QAPP and Addendum 005 ELLE

Pesticides RD QAPP ELLE

Semi-Volatile Organic Compounds

(SVOCs)RD QAPP Tunxis

VOCs RD QAPP and Addendum 004 Tunxis

*= Unfiltered and field filtered samples.




3-6

After dioxin/furans, PCB congeners, and PCB (Aroclors) samples have been collected, a turbidity

spot check will be measured to confirm low turbidity and viable sample collection. Field filtered

samples (dissolved) will be initially placed by on hold at the laboratory pending the results of the

unfiltered samples (total).

The order of testing parameters was selected so that dioxin/furan, PCB congeners, and aroclors

will be collected first following stabilization of water quality parameters, specifically to ensure

that turbidity is less than 5 NTUs. This is because of the concern that these analytes could be

sorbed to soil particles. A turbidity check will be performed after the collected of these analytes

again to confirm that turbidity remained below 5 NTUs. Following the turbidity check, pump rates

will be increased to low-flow sampling protocols and sample collection will continue for metals,

TPH, pesticides, SVOCs, and lastly VOCs. In situations where the well was sampled with a

peristaltic pumps peristaltic tubbing will be pulled and a bladder pump will be placed in the well

to collect VOC samples. Since VOCs were to be collected from both pumps, the decision to

sample VOCs last was to minimize the time between sample collection of the two VOC samples.

To maintain sampling order consistency, VOCs will also be collected last for wells sampled by

bladder pump only. Groundwater sampling labels and chains of custody, including sample

packaging and shipping practices, will be properly completed in accordance with the QAPP and

specified in the LEA SOP 10067 Handling, Packing, and Shipping of Analytical Samples. These

procedures are established to document the custody of samples, and to ensure the integrity of the

samples that will be collected during the investigation.

3.7 Decontamination

Field equipment will be decontaminated in accordance with LEA SOP 10065 Decontamination of

Field Sampling Equipment.

3.8 Groundwater Sampling Quality Control

The following samples will be collected during the groundwater monitoring event as part of the

QAPP:

Field duplicate samples (1 sample per 20 field samples)

Trip blanks (one in each cooler containing VOCs)

Matrix spike (MS)/matrix spike duplicate (MSD) sample (1 sample per 20 field samples)

Equipment blank samples (1 per day)

Performance evaluation (PE) samples (1 sample per 20 field samples)




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PE samples will be managed in accordance with LEA SOP 10030 Processing PerformanceEvaluation Samples.

3.9 Waste Management

During MW-08SR installation, soil cuttings will be generated. The cuttings will be disposed of in

the proposed stock pile in Cap 1. Purged groundwater and decontamination fluids will be run

through water treatment system for being used for Source Area RD activities.




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4. REPORTING

A brief data summary report will be prepared to document the field activities and provide a

summary of the data collected during the baseline assessment.

A data summary report will be prepared that will include:

Details for any modifications to the GMWP;

Description of the field activities, including the well inventory, well development,groundwater elevation data, and groundwater sampling;

Groundwater analytical data tables;

Summary of investigation results;

Summary of validated data (i.e., tables and graphics);

Tier 2 data validation

Data validation reports and laboratory data reports;

Summary of field measurements; and

Conclusions and recommendations


TABLES

Table 1 Monitoring Well Construction Details Groundwater Sampling Plan


Monitoring Well ID Screen Length (ft) Total Depth (ft bgs)GEC1 10 15GEC3 10 15GEC4 10 15GEC6 10 15MW-01S 4.5 8.1MW-02D 4.5 69.8MW-02M 5 30MW-02S 4 8MW-03S 5 8.9MW-04B 31* 77MW-04D 3 45.5MW-04S 10 14MW-06S 4 9MW-07D 5 58MW-07S 4 7.8MW-08SR 5 8.5MW-09S 5 10MW-10B 24.5* 85MW-10D 5 45MW-11B 30* 89.5MW-11M 6 42MW-11S 5 25MW-12D 5 44MW-14M 5 34MW-15D 5 53.1MW-GWR-001 2 22.55MW-GWR-002 2 19.96PZ-LEA-01 10 ~13.00**PZ-LEA-02 10 ~13.00**PZ-LEA-03 10 ~13.00**Notes:ft = feetft bgs = feet below groundsurfaceMW-GWR-001 and MW-GWR-002 to be only used for GW sampling purposes PZ-LEA-01 through PZ-LEA-03 to be only used for GW elevation puposes. *= Bedrock wells screened open hole**= Total Depth of Pizometer Wells to be determined in the field.

Table 2 Monitoring Well Decommissioning PlanGroundwater Sampling Plan

Centre dale Manor Restoration Project Superfund SiteNorth Providence, Rhode Island

Monitoring Well ID Well DecommissioningGEC1 TBDGEC3 TBDGEC4 YesGEC6 YesMW-01S YesMW-02D YesMW-02M YesMW-02S YesMW-03S YesMW-04B YesMW-04D YesMW-04S NoMW-06S YesMW-07D YesMW-07S NoMW-09S NoMW-10B YesMW-10D YesMW-11B YesMW-11M YesMW-11S TBDMW-12D YesMW-14M YesMW-15D YesMW-GWR-001 NoMW-GWR-002 NoPZ-LEA-01 TBDPZ-LEA-02 TBDPZ-LEA-03 TBDNotes:TBD:- to be deteremined after GW sampling eventMW-GWR-001 and MW-GWR-002 to be only used for GW sampling purposes PZ-LEA-01 through PZ-LEA-03 to be only used for GW elevation purposes.

Table 3 Monitoring Well Inventory Details Groundwater Sampling Plan


Monitoring Well ID

Well Level Measured Well Condition

GEC1 Yes Surface completion needs to be replaced

GEC2 No Not located/Destroyed

GEC3 No Surface completion needs to be replaced

GEC4 Yes Good


GEC6 Yes Good


MW-01S Yes Minor repairs to stick-up are needed

MW-02D Yes Good

MW-02M Yes Good

MW-02S Yes Stick-up needs to be repaired

MW-03S Yes Minor repairs to stick-up are needed

MW-04B Yes Surface completion needs to be replaced

MW-04D Yes Good

MW-04S Yes Surface completion needs to be replaced

MW-05S* No Not located/Destroyed

MW-06S No Good

MW-07D No Good

MW-07S* No Good

MW-08S No Not located/Destroyed

MW-09S Yes Good

MW-10B Yes Minor repairs to well are needed

MW-10D Yes Minor repairs to well are needed

MW-11B Yes Good

MW-11M Yes Good

MW-11S Yes Good

MW-12B No Not located/Destroyed

MW-12D Yes Good

MW-13B NoWell obstructed at 5.5 ft. Additional assessment needed, well will likely need to be decommissioned

MW-13D* NoWell obstructed at 5.5 ft. Additional assessment needed, well will likely need to be decommissioned

MW-13S NoWell obstructed at 5.5 ft. Additional assessment needed, well will likely need to be decommissioned

MW-14M* Yes Good

MW-15D Yes Surface completion needs to be replaced

MW-LEA-01 No Abandoned



PZ-LEA-01 Yes Good

PZ-LEA-02 Yes Good

PZ-LEA-03 Yes Good

TMW-03 No Not located/Destroyed

FIGURES

CENTREDALE MANOR

BROOK VILLAGE

CUMBERLAND

FARMS

DOLLAR TREE

UNITED STATES

POSTAL SERVICE

UNITED STATES

POSTAL SERVICE

WALT'S ROAST

BEEF

38-334

14-366

14-368

14-370

ROW

14-372

38-216

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14-N/A

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14-337

ROW

38-N/A

38-209

14-332

14-330

38-245

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14-329

14-328

38-208

14-304

14-306

14-307

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14-301

38-194

14-300

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14-268

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38-188

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38-170

38-166

14-251

38-163

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14-492

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38-245

38-245

14-250

MW-08S

EXISTING RCRA

CAP No 4

EXISTING INTERIM

SOIL CAP No 1

(Geotextile)

EXISTING CAP No 3

(Soil Cap),

(Former Tailrace)

EXISTING CAP No 3

(Aggregate Cap),

(Former Tailrace)

EXISTING SOIL

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4

94

9

9

9

8

9

9

1

0

0

9

7

9

7

1

0

4

1

0

5

1

0

5

1

0

0

9

5

9

4

9

4

9

1

9

2

1

0

6

105

106

1

0

6

9

5

9

6

9

7

9

8

9

9

95

9

9

1

0

2

1

0

1

1

0

2

1

0

3

103

1

0

0

1

0

2

1

0

3

1

0

1

1

0

4

104

9

1

9

2

9

3

9

8

9

7

9

6

97

1

0

0

1

0

5

1

0

0

9

9

9

5

9

6

9

7

1

0

0

1

0

4

1

0

5

9

7

9

7

BFE 97

1

0

0

9

9

9

9

9

8

BFE 98

100

1

0

5

110

99

9

9

9

9

9

8

9

2

9

9

1

0

1

1

0

2

9

6

120

115

1

1

0

1

0

5

100

105

110

1

1

5

1

2

0

125

1

0

9

95

1

0

0

105

103

1

2

5

115

110

105

X

1

0

2

1

0

3

1

0

3

103

9

5

9

7

9

9

1

0

0

1

0

2

103

1

0

1

97

98

9

9

1

0

0

1

0

1

1

0

2

100

9

8

9

9

9

7

97

9

8

1

0

2

1

0

1

1

0

3

9

6

9

7

9

4

9

5

9

5

1

0

0

1

0

0

9

8

9

9

101

1

0

0

9

9

9

6

9

7

9

5

9

8

9

9

1

0

0

1

0

1

1

0

2

1

0

0

9

9

9

8

97

9

5

1

0

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9

7

96

9

8

9

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1

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1

1

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2

1

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3

1

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4

9

9

1

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1

1

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2

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1

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4

1

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9

8

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1

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1

1

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1

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1

0

0

1

0

0

9

9

1

0

0

9

5

99

9

9

1

0

1

9

7

TT

MW-06S

MW-07S

MW-LEA-01 MW-LEA-02

MW-LEA-03

MW-07D

MW-12B

MW-12D

MW-13B

MW-13D

MW-13S

MW-15D

TMW3

GEC-2

GEC-5

GEC-7

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13

P14

P15

P16

P17

P19

P20

P21

MW-01S

MW-02S

MW-03S

MW-05S

MW-09S

MW-04B

MW-04D

MW-04S

MW-10B

MW-10D

MW-11B

MW-11M

MW-11S

MW-14M

GEC-1

GEC-3

GEC-4

GEC-6

MW-02D

MW-02M

MW-GWR-001

MW-GWR-002

P-LEA-03

P-LEA-01

P-LEA-02

MAP REFERENCE:

1. PROPERTY SURVEY AND EXISTING CONDITIONS, PROPERTIES OF BROOKSIDE VILLAGE SENIOR HOUSING LLC, 2072 SMITH STREET (ROUTE44) AND

CENTREDALE MANOR ASSOCIATES, 21074 SMITH STREET (ROUTE 44), NORTH PROVIDENCE & JOHNSTON, RHODE ISLAND, BY LOUREIRO ENGINEERING

ASSOCIATES, INC. APRIL 2019. DATUMS ARE RHODE ISLAND STATE PLANE NAD83 AND NAVD88.

2. ADDITIONAL UTILITY INFORMATION PER “CORBUILT UTILITY LOCATION WORKSHEET” PROVIDED BY CORBUILT, LLC .

3. JOHNSTON, RHODE ISLAND PARCELS WERE PROVIDED BY APPLIED GEOGRAPHICS INC. LAST UPDATED ON 12/08/17.

4. NORTH PROVIDENCE, RHODE ISLAND PARCELS WERE PROVIDED BY THE TOWN OF NORTH PROVIDENCE GIS DEPARTMENT.

5. FEMA FLOOD ZONES FROM < https://www.floodmaps.fema.gov/NFHL/status.shtml >, DATED 10/2/2015, REVISED 3/15/2018.

SAMPLE REFERENCE:

ALL HISTORICAL SAMPLE LOCATIONS SHOWN WERE OBTAINED ELECTRONICALLY FROM THE EPA DATABASE FOR THE CENTREDALE MANOR RESTORATION PROJECT

SUPERFUND SITE AND WERE NOT LOCATED BY LOUREIRO ENGINEERING ASSOCIATES, INC.

OUTLINE OF EXISTING CAP

EXISTING UNLINED CAP NO 3 (FORMER TAILRACE)

EXISTING INTERIM SOIL CAP NO 1

DENOTES OUTLINE OF PROPOSED RCRA SUBTITLE C CAP

Soil

Aggregate

EXISTING INTERIM SOIL CAP NO 2

EXISTING SOIL CAP NO 2-STONE DITCH & STONE BERM

EXISTING RCRA SUBTITLE C CAP (CAP NO 4)

FEMA 100-YEAR FLOOD ZONE

BUILDING

TOPOGRAPHIC CONTOUR

EDGE OF PAVED AREA

XX-XXX

APPROXIMATE PROPERTY BOUNDARY AND

PARCEL PLAT NUMBER (ASSESSOR)

LEGEND

EXISTING MONITORING WELL LOCATION

EXISTING PIEZOMETER LOCATION

DECOMMISSIONED/NOT LOCATED/DESTROYED MONITORING WELL LOCATION

NOT LOCATED/DESTROYED PIEZOMETER LOCATION

EDGE OF WATER COURSE/WATERBODY

FEMA 500-YEAR FLOOD ZONE

FEMA BASE FLOOD AND ELEVATION

100

EDGE OF RIP-RAPSCALE IN FEET

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Engineering ●

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©Loureiro Engineering Associates, Inc.

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Plainville, Connecticut 06062

Phone: 860-747-6181 ●

Fax: 860-747-8822

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DRAFT FINAL GROUNDWATER SAMPLING PLAN Novmeber 2019

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Transcript of DRAFT FINAL GROUNDWATER SAMPLING PLAN Novmeber 2019