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317 Elm Street Milford, NH 03055 (803) 673-5440 fax- (603) 673-0366 emall- sales@chemservelab.com

RFP0931-060818

Narrative

Water Quality Sampling and Analysis
Nashua Landfills

City of Nashua
Central Purchasing Office
229 Main Street, Room 128
Nashua, NH 03060

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317 Elm Street, Ten NH 03055 909673510 satesdichomservetab.com
Statement of Project Requirements and Scope of Services
RFP0931-060818

Chemserve has been performing environmental sampling and laboratory analysis services for
over thirty years. Our field sampling department has been trained to utilize the latest
technologies for sample collection, field testing, and proper sample preservation. Chemserve
will provide a team of field technicians to perform all of the sampling tasks to complete this
project. Our laboratory will provide the necessary personnel and equipment to analyze the
samples that meet the current NELAC and NHDES standards. We are currently the vendor
providing the sampling and analysis for the City of Nashua at these landfills.

Chemserve will coordinate a field team with sufficient knowledge and equipment to perform
the sampling per the permit specifications at each landfill. We acknowledge that there are
some locations that will require low stress sampling and others will require standard purge
sampling techniques. All samples will be delivered to Chemserve which is a NELAC
accredited laboratory. Chemserve will subcontract the PFAS testing to Alpha Analytical in
Marlborough MA. Alpha is both NELAC and DOD accredited for performance of PFAS
testing. All reports will be tabulated into a spreadsheet and standard report format. These
reports will be sent to the City and uploaded to NHDES.

Well Sampling: All of the wells for this project will be purged using the guidelines set forth
for proper “low-flow” purging outlined in USEPA Document EQASOP-GW 001 Region 1.
Low-Stress (Low Flow) SOP revised January 19, 2010 or utilizes standard purging as
outlined in the RCRA Guidance Document. The pumping devices utilized for low flow
purging shall be submersible pumps designed for low flow sampling. The low flow field
parameters shall be monitored utilizing an electronic flow cell which will be monitored for
turbidity, temperature, dissolve oxygen, ORP, and pH. The low flow pumping will be
performed at a rate less than one liter per minute. For low flow purging the well will be
determined to be stabilized when the variation in field readings is 10% or less, pH is +/- 0.2,
temperature is +/- 0.2 C. For turbidity that is less than 5 NTU the well will be considered
stable after three consecutive readings less than 5 NTU Any well that does not conform to 5
NTU or less in a reasonable time, will be low rate purged for one hour or until 5 NTU,
whichever comes first. For standard purging the well volume will be calculated, three
volumes of water will be purged from each well, and field testing for pH, specific
conductance, and temperature will be performed.

After the appropriate purging technique of each well has occurred, samples shall be collected.
All samples shall be collected in accordance with the preservatives and containers outlined in
40 CFR Part 136. Samples wiil be delivered the same day to the Chemserve laboratory and
analyzed within prescribed holding times following the methods accepted by NHDES for the
analyses requested. All samples shall be received under proper chain of custody
documentation. Chemserve will follow specific guidelines to avoid cross contamination and
guidelines set forth for proper PFAS sample collection.

Upon completion of analysis, a report shall be forwarded to the City of Nashua, and uploaded
to the NHDES website in accordance to an acceptable format.

Chemserve shall coordinate all sampling events to meet the scheduled dates and time for
collection and reporting.

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317 Elm Street, Milford, NH 03055 07673510 sslesgienemservetat.com

Similar Sampling Project Experience

City of Fall River MA, Riggenbach Rd. Landfill
Fall River, MA

Contact: John Staskowicz
Address: One Gov’t Center

Fall River MA 02700
Phone: (508) 324-2500

Project Synopsis: Chemserve collected and analyzed samples from existing surface and
monitoring wells on a quarterly basis. The field team performed field analyses using
standard techniques. All samples collected from surface water were field filtered for
dissolved metals analysis. All other samples were collected in containers per CFR 40
Part 136 and field preserved for delivery to our laboratory.

30 Groundwater wells and 3 surface waters, Project duration: 6 years (2012-Present)

City of Nashua All City Landfills
Nashua, NH 03062

Contact: Kerry Converse

Address: 840 West Hollis St.
Nashua, NH 03062

Phone: (603)-594-3420

Project Synopsis: Chemserve collected and analyzed samples from existing surface and
monitoring wells on a Semi-annual basis. The field team performed field analyses using
both standard purge and ““Low-Stress” purge techniques. All samples collected from
surface water were field filtered for dissolved metals analysis. All other samples were
collected in containers per CFR 40 Part 136 and field preserved for delivery to our
laboratory.

38 Groundwater wells and 4 surface waters, Project duration: 6 years (2012-Present)

16.

(continued)

(in thousands) 2020 2019
Total Long-Term Debt (including current portion

and unamortized debt insurance costs):

Pennichuck Water S 105,447 §$ 94,323
Pennichuck East 22,067 19,842
Pittsfield Aqueduct 140 143
Subtotal Regulated Segment 127,654 114,308
Service Corporation - -
Other 102,169 104,570

Total Long-Term Debt $ 229,823 § 218,878

Rate Cases

Pennichuck Water

On July 1, 2019, Pennichuck Water filed a request with the NHPUC for a rate increase of
11.91% over its current rates for the test year 2018, effective August 1, 2019. The proposed
permanent rate increase includes a 2018 Qualified Capital Project Adjustment Charge
(QCPAC) surcharge of 1.69%, a proposed 2019 QCPAC of 2.37%, and further modification to
its ratemaking structure. The overall rate increase is subject to the norma! regulatory filing
process with the NHPUC, as followed for all prior rate case filings, and as such, the final
permanent rate increase granted will be effective retroactive back to the filing date.

The request for the overall permanent rate increase was based upon increased Pennichuck
Water operating expenses since the last allowed rate increase in 2017 {for the 2015 test year),
and to provide enough revenues to pay for investments made in plant and treatment systems
to ensure its continued compliance with the Safe Drinking Water Act.

In addition to the requested rate increase, Pennichuck Water has proposed several
modifications to its current ratemaking structure which are designed to provide adequate
and timely cash coverage of operating expenses so that Pennichuck Water can avoid incurring
additional debt. The proposed modifications include:

* creating a Material Operating Expense Factor (MOEF), an expense factor on top of its
material operating expenses to cover inflationary increases between rate filings; as a
component of allowed revenues in determining permanent rates;

* including the actual cost of Federal and State corporate income taxes in Pennichuck
Water’s Operating Expense Revenue Requirement (OERR) component of allowed
revenues;

e reprioritizing the use of Debt Service Revenue Requirement (DSRR) 0.1 funds;

135

CQhemfserve

317 Elm Street, Milford, NH 03055 emsnsueaesg:aensevsicon
Naushon Trust Inc.
Gosnold, MA

Contact: Paul Elias

Title: Trustee

Address: c/o J.M. Forbes & Co.
3 Post Office Square
Boston, MA 02108

Phone: (617) 423-5705

Project Synopsis: Chemserve collected and analyzed samples from five existing
monitoring wells and one drinking water well on Nonamessett Island in conjunction with
a fuel oil release site. Sampling was performed utilizing the "low flow" collection
technique. The field team performed field analyses for pH, conductivity, temperature,
total well depth, static depth. All samples were collected from surface wells in containers
per 40 CFR Part 136 and field preserved prior to delivery to our laboratory.

Approximate # of Wells: 5, Project Duration: 2 years (2011-2012)

Sturm Ruger Corporation
Southbridge CT

Contact: Thom Stone
Title: Environmental Health and Safety Manager
Address:411 Sunapee St.
Newport, NH 03773
Phone: (603) 863-3300

Project Synopsis: Chemserve collected and analyzed samples from existing surface and
bedrock monitoring wells on a quarterly basis. Sampling was performed utilizing the
“low flow" collection technique. The field team performed field analyses for pH,
conductivity, dissolved oxygen, ORP, turbidity, temperature, total well depth, static
depth. All samples were collected from surface wells in containers per

40 CFR Part 136 and field preserved prior to delivery to our laboratory.

Approximate # of Wells: 7, Project Duration: 7 years (1999-2006)

Se. Street, Milford, NH a (1) 67.5 en censel on

Town of Jaffrey
Jaffrey, NH

Contact: Randy Haglin/Doug Starr
Title: Director, Dept. of Public Works
Address: 23 Knight St.

Jaffrey, NH 03452
Phone: (603) 532-6521

Project Synopsis: Chemserve collected and analyzed samples from existing monitoring
wells and surface waters on a bi-weekly basis. The field team performed field analyses
for pH, conductivity, temperature, total well depth, and static depth. All samples were
collected in containers per 40 CFR Part 136 and field preserved prior to delivery to our
laboratory.

Approximate # of Wells: 8, Project Duration: 25 years (1993-Present)

Town of Bellingham Landfill
Bellingham, MA

Contact: Mike Graf

Title: Health Officer

Address: 6 Mechanic St.
Bellingham, MA 02019

Phone: (508) 966-5820

Project Synopsis: Chemserve collected and analyzed samples from existing monitoring
wells on a quarterly basis. The field team performed field analyses for pH, conductivity,
dissolved oxygen, temperature, total well depth, static depth, and methane. All samples
collected from surface wells were field filtered for dissolved metal analysis. All other
samples were collected in containers per 40 CFR Part 136 and field preserved prior to
delivery to our laboratory.

Performed landfill gas field monitoring and sample collection for % LEL, % methane,
hydrogen sulfide, carbon monoxide, carbon dioxide, oxygen and VOCs.

Approximate # of Wells: 15, Project Duration: 19 years (1999-present)

Milford, NH —

Contact: Kevin Stetson
Title: Superintendent, POTW
Address: 1 Union Square Town Hall

Milfoed NET nanss

Phone: (603) 673-9441

Project Synopsis: Chemserve collected and analyzed samples from existing single surface
monitoring wells on a quarterly basis. The field team performed field analyses for pH,
conductivity, temperature, total well depth, and static depth. All samples collected from

laboratory,

Approximate # of Wells: 4, Project Duration: 10 years (1996-2006)

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317 Elm Street, a NH 03055 vovsrasuosntesgciensersist.com

Our Team RFP0931-060818

Chemserve personnel will perform all of the field work, sampling and groundwater
analysis. The Team for this project will be as follows:

Project Manager ~ Jay Chrystal; responsibilities include client interface, scheduling,
technical assistance, client meetings, field team coordination, and budgeting.

Field Service Technician — Andy Campbell, responsibilities include scheduling and
coordination of field activities, supervision and implementation of sample collection, and
delivery of samples to the laboratory.

Laboratory Operations Director — Paul Fyfe; responsibilities include coordination and
delegation of all laboratory services.

Quality Control Administrator — Heather Marmorstcin; responsibilities include auditing
and review of field and laboratory procedures and data collection review for compliance
with pertinent standards. Resumes for above referenced personnel are enclosed.

State of New Hampshire
Environmental Laboratory Accreditation Program
Awards

PRIMAARY NH ELAP ACCREDITATION

fo

CHEMSERVE INC
of
MILFORD, NH
For the analytes listed on the attached page(s) in accordance
with the provisions on the 2009 TNI Standards and Env-C 300.

Certificate Number: 100817
Effective Date: 06/03/2017
Expiration Date: 06/02/2018
Laboratory ID: 1008

‘CHEMSERY 06/3207"

Bill Hall
NH ELAP Program Manager

Method accreditation does not imply acceptance for NHDES compliance testing. Laboratory is required fo use EPA-approved methods required by regulation.
is is dependent on successful ongoing participation in the program. Customers may verify the lab's current accreditation status by

Continuing accreditation state
calling (603) 274-2898

NEW HAMPSHIRE ENVIRONMENTAL LABORATORY ACCREDITATION PROGRAM
29 Hazen Drive, PO Box 95, Cancord, NH 03302 (603) 271-2998
PRIMARY ACCREDITATION ANALYTE LIST
ANALYTE LIST NUMBER: 100817-G

CHEMSERVE INC

317 ELM ST
MILFORD NH 03055
603-673-5440
Lab ID: 1008
Analyte Code Analyte Name Effective Date Expiration Date Matrix Category Accr. Type
Methed Code: 20182405 Method Ref: SIM 9215 B (R2A} Revision: 21st ED Date: 2005
2555 HETEROTROPHIC PLATE COUNT 07/26/2013 06/02/2018 D MIC NE
Method Code: 20209807 Method Ref: SI 9222 D {M-FC} Revision: 21st ED Date: 2005
2530 FECAL COLIFORMS 07/26/2013 06/02/2018 D MIC NE
NMiethod Code: 20213405 Method Ref: SM 9223 B (COLILERT-18 QUANTI-TRAY) Revision: 2ist ED Date: 2005
2525 ESCHERICHIA COLI 07/26/2013 06/02/2018 D MIC NE
2500 TOTAL COLIFORMS 07/26/2013 . 06/02/2018 D Mic NE
Method Code: 20214408 Method Ref: SM 9223 B (COLILERT-18) Revision: 21st ED Date: 2005
2525 ESCHERICHIA COLI 07/26/2013 06/02/2018 D MIC NE
2500 TOTAL COLIFORMS 07/26/2013 06/02/2018 D MIC NE
Method Code: 60032602 Method Ref: SIMPLATE Revision: Date: 2000
2555 HETEROTROPHIC PLATE COUNT 01/04/2018 06/02/2018 D MIC NE
Method Code: 10013806 Method Ref: EPA 200.7 Revision: 4.4 Date: 1994
1000 ALUMINUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1005 ANTIMONY, TOTAL 06/03/2007 06/02/2018 D MET NE
1010 ARSENIC, TOTAL 06/03/2007 06/02/2018 D MET NE
1015 BARIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1020 BERYLLIUM, TOTAL 12/03/2010 06/02/2018 D MET NE
1025 BORON, TOTAL 06/03/2007 06/02/2018 D MET NE
1030 CADMIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
10635 CALCIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1040 CHROMIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1055 COPPER, TOTAL 06/03/2007 06/02/2018 D MET NE
1070 IRON, TOTAL 06/03/2007 06/02/2018 D MET NE
1075 LEAD, TOTAL 06/03/2007 06/02/2018 D MET NE
1085 MAGNESIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1090 MANGANESE, TOTAL 06/03/2007 06/02/2018 B MET NE
1100 MOLYBDENUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1105 NICKEL, TOTAL 06/03/2007 06/02/2018 DB MET NE
1125 POTASSIUM, TOTAL 12/09/2010 06/02/2018 D MET NE
1140 SELENIUM, TOTAL 12/23/2015 06/02/2018 D MET NE
1150 SILVER, TOTAL 06/03/2007 06/02/2018 D MET NE
1155 SODIUM, TOTAL 11/10/2011 06/02/2018 D MET NE
1185 VANADIUM, TOTAL 06/03/2007 06/02/2018 D MET NE
1190 ZINC, TOTAL 06/03/2007 06/02/2018 D MET NE

This analyte list supersedes all previously issued analyte lists. Method accreditation does not imply acceptance for NHDES compliance testing.
Laboratory is required to use EPA-approved methods required by regulation. Continuing accreditation status is dependent on successful ongoing
participation in the program. Customers may verify the laboratory's current accreditation status by calling (603) 271-2998 or by visiting the NH

ELAP website (https://www.des.nh.gov/organization/divisions/water/dweb/nhelap/index.h…). '
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