NationalParkService-SagamoreHillNationalHistoricSite-OysterBay-NY-AsbestosMonitoring-8932_0004.pdf

National Park Service Asbestos Abatement Monitoring Sagamore Hill National Historic Site October 2 - 6, 2020 Visitor Center EHI Project #: 1424-8932

1.0 Introduction

Environmental Health Investigations, Inc. (EHI, inc.) was retained by the National Park

Service to provide third party air monitoring services during the removal of approximately 100 square feet of asbestos containing cement board from the Visitors Center of the Sagamore Hill

National Historic site.

EHI’s asbestos abatement project monitoring occurred between October 2 and October 6, 2020. EHI, Inc. was represented on site by Mr. Evan Abramo and Ms. Laura Wieczezak. The contractor selected to perform the asbestos abatement was Nari Construction of Lincoln Park, New Jersey.

2.0 Abatement Methods

The project involved the removal of 100 square feet of asbestos containing cement board via negative pressure containment methods.

Prior to actual asbestos removal, Nari constructed a fully functional three stage decontamination unit at the entrance to the work areas. The decontamination unit was constructed of framework and covered with two layers of 6 millimeter thick poly sheeting. The middle chamber of the decontamination unit contained a shower, allowing the workers to decontaminate themselves upon exiting the work area.

The work area was segregated from surrounding ambient areas through the erection of critical barriers consisting of two layers of 6 millimeter thick poly sheeting. Once the critical barriers were in place, workers covered the walls and ceiling with a single layer of 6 millimeter thick poly sheeting, where applicable. All poly sheeting was adhered with spray glue and duct

Page -1-

Visitor Center EHI Project #: 1424-8932 tape.

A final preparation made was the installation and operation of a negative air filtration unit, set up to exhaust to the exterior of the building. These units contained HEPA filters that filtered the air inside the work area and created a negative pressure differential between the work area and the surrounding ambient spaces.

Once the above preparations were made and a visual inspection by the onsite monitor was conducted, the contractor was permitted to begin removal activities. Removal activities were undertaken in conjunction with adequate wetting of the materials with amended water. Amended water is water that has had surfactant added to it to improve its wetting capabilities. All abatement debris was placed and sealed inside a 6 millimeter thick waste bag bearing all the required warning labels, then placed inside an identical bag bearing all required warning labels and waste generator identification labels.

Following the completion of removal activities within the work area, a visual inspection was conducted by EHI and Nari’s supervisory personnel in order to ensure that the work area was sufficiently clean of asbestos materials and debris. Once satisfied that a work area was cleaned, the contractor was permitted to apply an encapsulant to the work area in order to “lock down” any fibers that could not be seen with the naked eye.

EHI observation log notes, collected throughout the duration of this project, can be found in Appendix B of this report.

3.0 Air Sampling Overview

Air monitoring was conducted immediately adjacent to the work area during removal

Page -2-

Visitor Center EHI Project #: 1424-8932 work. The during air samples were collected throughout the duration of the project to help determine if the engineering controls and work practices employed by the contractor were adequate enough so as too not result in an airborne fiber concentration outside the work area or in nearby ambient spaces. The clearance criteria for PCM area air samples utilized was less than

0.01 fibers per cubic centimeter of air (< 0.01 f/cc). All air samples collected during this project were analyzed by AmeriSci Laboratories, Inc., in New York, NY in accordance with the #7400 methodology for Phase Contrast Microscopy (PCM) established by the National Institute of

Occupational Safety and Health (NIOSH).

4.0 Sample Results

The results for all PCM area air samples collected are summarized below.

Sample Identification Location Fiber Concentration (f/cc)

SHA-100220-1 Main Room - North End West - Background

Overloaded

SHA-100220-2 Main Room - North End Center - Background

Overloaded

SHA-100220-3 Main Room - North End East - Background

Overloaded

SHA-100220-4 Men’s Restroom East - Background Overloaded

SHA-100220-5 Men’s Restroom West - Background Overloaded

SHA-100220-6 Main Room at Decon 0.159

SHA-100220-7 Mechanical Room at East Containment Barrier

0.027

SHA-100220-8 Men’s Restroom - North Containment Barrier

Overloaded

SHA-100220-9 Outside Building at Window Critical Barrier (To Be AFD Exhaust)

0.005

Page -3-

Visitor Center EHI Project #: 1424-8932

Sample Identification Location Fiber Concentration (f/cc)

SHA-100220-10 Outside Building - West of Building (To Be AFD Exhaust)

<0.004

SHA-100220-11 Blank 0.64 F/mm2

SHA-100220-12 Blank 0.64 F/mm2

SHA-100520-13 Main Room at Decon Clean Room 0.011

SHA-100520-14 Main Room at Containment Isolation Barrier

0.014

SHA-100520-15 Outside Building - Window Critical Barrier

<0.004

SHA-100520-16 Outside Building - Negative Air Exhaust

<0.004

SHA-100520-17 Men’s Restroom - North Containment Barrier

<0.004

SHA-100520-18 Restroom Containment Voided

SHA-100520-19 Restroom Containment Voided

SHA-100520-20 Restroom Containment Voided

SHA-100520-21 Restroom Containment Voided

SHA-100520-22 Restroom Containment Voided

SHA-100520-23 Blank 1.9 F/mm2

SHA-100520-24 Blank 0.64 F/mm2

SHW-100520-1 Clearance <0.004

SHW-100520-2 Clearance <0.004

SHW-100520-3 Clearance <0.004

SHW-100520-4 Blank 0.64 F/mm2

SHW-100520-5 Blank 1.91 F/mm2

Visitor Center EHI Project #: 1424-8932 up to general occupancy on October 7, 2020.

5.0 Conclusion

Based on visual observations and clearance air sampling results, Nari was permitted to remove all containment barriers and open the area up to general occupancy on October 7, 2020.

Monitoring and Report by: _____________________________ Laura Wieczezak Sr. Project Manager

Report reviewed by: ______________________________ William S. Kerbel, CIH President

Visitor Center EHI Project #: 1424-8932

A P P E N D I X

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AmeriSci Laboratories, Inc. Reports

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To: William Kerbel

Environmental Health Investigations, Inc.

Fax #: Subject:

Client Project:

Email: tbrucato@ehi-inc.com,bkerbel@ehi-inc.com,eabramc

@ehi-inc.com jpvondoehren@ehi-inc.com

LABO RATO RY E LECT RONI C T RAN S M ITTAL

AmeriSci New York

I 17 EAST 3OTH ST.

NEW YORK, NY 10016

rEL: (212) 679-8600 . F F,X: (212) 679-3114

Devin M. Ahyee

220 l0 I 358

PCM (I) immediate Results

1424-8832; National Park Service;

20 Sagamore Hill Road, Oyster Bay

NY - Visi

Please Reply To:

From:

AmeriSci Job #:

Date: Monday, October 05,2020 Time: l3:10:08

Comments:

Number of Pages:

(including cover sheet)

NOTE: Attached repoft is to be considered preliminary until final review with accornpanying analysis summary letter is issued.

CONFIDENTIALITy NOTICE: Unless otherwise indicated, the information contained in this comrnunication is confidential infonnation intended for usc oftheindividualnamedabove. Ifthereaderofthiscommunicationisnottheintendedrecipient,youareherebynotifiedthatanydissemination, distribution or copying of this communication is prohibited. If you have received this comrnunication in error, please irnmediately notify the sender by telephone and retum the original message to the above address via the US Postal Service at our expense. Samples are disposed of in 60 days or unless otherwise instructed by the protocol or special instructions in writing. Thank you.

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Samples Sent From:, Environmental H 655 West Shore Trail Sparta, NJ 07871 Phone/Fax # : 97 3-7 29 -5649

Samples Sent To: AmeriSci, Inc.

117 East 30th Street

New York, NY f0016 Phone #: 212-679-8600 Fed Ex #: 1754-5063-7

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EHI, Inc.

655 West Shore Trail Sparta, NJ 07871

Send Results To: _ William S. Kerbel, CIH EHI, Inc.

655 West Shore Trail Sparta, NJ 07871 Phone/Fax: 97 3-7 29 -5649

Fax To:

Email To:

a\ Jmail To: X\---5..

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1 17 EAST 3OTH ST.

NEW YORK, NY 10016

TEL: (2121679-8600 . FlX: (212) 679-3114

LABO RATO RY E LECT RO N I C TRAN SM ITTAL

To: William Kerbel From: Devin M. Ahyee

Environmental Health Investigations, Inc. AmeriSci Job #: 220101437

Fax #: Subject: PCM 6 hour Results

Client Project: 1424-8932; Sagamore Hill National

Email: tbrucato@ehi-inc.com,lwieczeski@ehi-inc.com,bker iri*;,1'.:.i?llore Hill Rd' -bel@ehi-inc.com

Date: Tuesday, October 06,2020 Time: 12:21:55

Comments:

Number of Pages:

(including cover sheet)

NOTE: Attached report is to be considered preliminary until final review with accompanying analysis summary letter is issued.

CONFIDENTIALITy NOTICE: Unless otherwise indicated, the information contained in this communication is confidential information intended tbr use oftheindividualnamedabove. lfthereaderofthiscommunicationisnottheintendedrecipient,youareherebynotifiedthatanydissemination, distribution or copying of this communication is prohibited. If you have received this communication in error, please immediately notifo the scnder by telephone and retum the original message to the above address via the US Postal Service at our expense. Samples are disposed of in 60 days or unless otherwise instructed by the protocol or special instructions in writing. Thank you.

Certified Analysis Service 24 Hours A Day . 7 Days A ll/eek Competitive Prices visit our web site - w.amerisci,com

Boston . Los Angeles . New York'Richmond

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Samples Sent To: AmeriSci, Inc.

117 East 30th Street

New York, NY 10016 Phone #: 212-679-8600 Fed Ex #: 1754-5063-7

EHr Project #: I q ALl.-r?3 ] Datesent: /{f o/ ro r.age lof i courier: b-11 "" L uJ

SAMPLE VOL. or AREA 4r;fu-

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Sample Received By: Print Name: J il Immediate

Date Received: Invoice To:

EHI, Inc.

655 West Shore Trail Sparta, NJ 07871

Send Results To: Y William S. XerUet,6H EHI, Inc.

655 West Shore Trail Sparta, NJ 07871 Phone/Fax: 973-729-5649

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Visitor Center EHI Project #: 1424-8932

A P P E N D I X

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Log Notes