Board Of Aldermen

A special meeting of the Board of Aldermen was held Tuesday, September 25, 2018, at 6:30 p.m.
in the Aldermanic Chamber.

President Brian S. McCarthy presided; City Clerk Patricia D. Piecuch recorded.

Board of Aldermen

City of Nashua
229 Main Street Brian S. McCarthy
Nashua, NH 03061-2019 President, Board of Aldermen

(603) 589-3030

September 14, 2018

Patricia D. Piecuch, City Clerk
City of Nashua

229 Main Street

Nashua, NH 03061-2019

Dear Ms. Piecuch:

Please be advised | am hereby calling a Special Meeting of the Board of Aldermen for Tuesday, October
2, 2018, at 7:00 p.m. in the City Hall Auditorium. Representatives from the EPA will be in attendance to
discuss the Mohawk Tannery site.

SPECIAL BOARD OF ALDERMEN

OCTOBER 2, 2018

7:00 PM City Hall Auditorium

PRESIDENT BRIAN S. MCCARTHY CALLS ASSEMBLY TO ORDER

PRAYER OFFERED BY CITY CLERK PATRICIA D. PIECUCH

PLEDGE TO THE FLAG LED BY ALDERMAN LINDA HARRIOTT-GATHRIGHT
ROLL CALL

COMMUNICATIONS

From: Brian S. McCarthy, President, Board of Aldermen
Re: Special Board of Aldermen Meeting

PERIOD FOR GENERAL PUBLIC COMMENT
REMARKS BY THE MEMBERS OF THE BOARD OF ALDERMEN

ADJOURNMENT

Mohawk Tannery
Questions, Comments?

For more information please contact:

Gerardo Millan—Ramos, Remedial Project Manager
Office of Site Remediation and Restoration

EPA Region 1 - New England

5 Post Office Sq., Suite 100

Boston MA 02109-3912

Tel. (617) 918-1377, Fax (617) 918-0377
E-mail:

Mohawk Tannery
Questions/Comments

Sources of Additional Information

» Mohawk Tannery Site - Removal Alternatives Update Technical
Memorandum

Link: https://semspub.epa.gov/work/01/627486.pdf

» EPA Repository Superfund Records and Information Center
5 Post Office Sq., Suite 100
Boston MA 02109-3912
Tel. 617 918-1440

Site Profile webpage: www.epa.gov/superfund/mohawk

Mohawk Tannery
EPA’s Recommended Alternative

» Encapsulation and Impermeable Capping

° Consolidating all waste (sludge and soils) at Lagoon
Areas 1&2 using one of three vertical containment
technologies and an impermeable cap.

© Backfilling excavations with clean fill.

© Protecting the integrity of the encapsulated area
and preventing use of groundwater via land use
restrictions.

© Ensuring remedy effectiveness with groundwater
monitoring and regular maintenance.

Mohawk Tannery

Contaminants of Concern (COCs)

» Dioxin

» Benzo(a)pyrene
» 4-Methylphenol
» Pentachlorophenol
» Antimony

» Arsenic

» Cadmium

» Lead

» Vanadium

» Barium

» Chromium

» Manganese

Mohawk Tannery
What is on the Site?

Pp aBE NORTHERN:
PARCEL °.

Boor
LANDFILL

BUILDING

(SLAB REMAINS)

SOUTHERN
PARCEL

I y
jOPEN LAGOON

ke

MONITORING WELL LOCATION 4ND DESIGNATION (G24 1985, WCI 1997) _ APPROXIWATE LOCATION OF FENCE
IWOICATES WELL COULD NOT BE LOCATED WAS NOT FUNCTIONAL —'——— )s APPROXIMSTE LOCATION OF SEWER UNE
DURING OPERABLE UNIT | REMEDIAL INVESTIGATION
ee APPROXIWATE LOCATION CF TRalL/FOOTP&TH

Mohawk Tannery
Where is the Site?

"4 City Property with

Parkway ADS Cell
~ (Former Fimbel Factory)

FIMBEL DOOR
SLUDGE LANDFILL

Tannery Sludge
Lagoons

MOHAWK TANNERY
(Northern Parcel)

MOHAWK TANNERY
(Southern Parcel)

Approx. Route of
Broad Street Parkway »

Fa

Fairmount Street

1) Base map from NH GRANIT, 2009 aerial photograph.
2) Property lines digitized from City of Nashua GIS/Assessors Map.

euENT

CITY OF NASHUA /
MELTON ASSOCIATES, LLC

Mohawk Tannery
Recent Past and Future Events

>

WwW

WwW

WwW

WwW

WwW

07/25/18

08/29/18
09/07/18
10/03/18

03/29/19

Summer ‘19

EE/CA Amendment
Public Information Meeting

Informal Meeting with Neighbors
End of public comment period
Site Tour to a group of neighbors
Approx. date of Action Memo

Construction