DEP Hard Copies (68 Boxes) / DEP Box 43 / E-mails M. Gilsenan
NYC-WTC_000163327Machine-extracted titleSummary Forwarding EPA sampling recommendations for incorporation into scope of work for 125 Cedar and 114 Liberty buildings.
silica) and
mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study.
2) Air samples should be collected for asbestos, fibrous glass and silica.
DEP Hard Copies (68 Boxes) / DEP Box 31 / 125 CEDAR 1 OF 2
NYC-WTC_000156045Machine-extracted titleSummary Summary document outlining key dates from June to September 2002 regarding inspections, scope development, and contract bidding.
silica) and
mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study.
2) Air samples should be collected for asbestos, fibrous glass and silica.
DEP Hard Copies (68 Boxes) / DEP Box 31 / 125 CEDAR 1 OF 2
NYC-WTC_000155827and mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot
Study.
2) Air samples should be collected for asbestos, fibrous glass and silica.
DEP Hard Copies (68 Boxes) / DEP Box 31 / 125 CEDAR 1 OF 2
NYC-WTC_000155998Machine-extracted titleSummary EPA technical recommendations and protocol for environmental sampling activities at 125 Cedar.
) and
mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study.
2) Air samples should be collected for asbestos, fibrous glass and silica.
DEP Hard Copies (68 Boxes) / DEP Box 43 / 2001 M. Gilsenan
NYC-WTC_000164421** dust VO Determine if asbestos is present in dust
Delete?
DEP Hard Copies (68 Boxes) / DEP Box 44
NYC-WTC_000164455Machine-extracted titleSummary Correspondence discussing draft EPA screening levels for asbestos and silica in indoor air and settled dust during post-WTC response.
I think we need to explain to Diana what this means to Asbestos
in the greater scheme of things, assuming EPA makes these the standards.!
DEP Hard Copies (68 Boxes) / DEP Box 08 / INTERIM FINAL April 2003
NYC-WTC_000146015Machine-extracted titleSummary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.
NIOSH Method 7400: Asbestos and Other Fibers by PCM; NIOSH Manual of Analytical
Methods; U.S.
DEP Hard Copies (68 Boxes) / DEP Box 42 / E-MAILS SENT R. AVALTRONI
NYC-WTC_000159817Machine-extracted titleSummary Circulation of draft environmental screening benchmarks for asbestos, fiberglass, and silica in indoor air and settled dust for expert review.
I think we need to explain to Diana what this means to Asbestos
in the greater scheme of things, assuming EPA makes these the standards.!
DEP Hard Copies (68 Boxes) / DEP Box 43 / E-mails 2002 M. Gilsenan
NYC-WTC_000162219Machine-extracted titleSummary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.
Three collocated samples will
Asbestos ASTMD 5755-95 ASTMD 5755
DEP Hard Copies (68 Boxes) / DEP Box 43 / E-mails M. Gilsenan
NYC-WTC_000163313Machine-extracted titleSummary EPA sends sampling recommendations and attached documents for 125 Cedar Street.
and
mercury in following procedures established in the WTC Indoor Air Pre-Cleanup Pilot Study.
2) Air samples should be collected for asbestos, fibrous glass and silica.
DEP Hard Copies (68 Boxes) / DEP Box 26
NYC-WTC_000152794a high pH, if dust has a high pH, it may be
contributing to reported symptoms of ENT irritation
Asbestos
DEP Hard Copies (68 Boxes) / DEP Box 26
NYC-WTC_000152805a high pH, if dust has a high pH, it may be
contributing to reported symptoms of ENT irritation
Asbestos
DEP Hard Copies (68 Boxes) / DEP Box 26
NYC-WTC_000152818Machine-extracted titleSummary Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.
has a high pH, if dust has a high pH, it may be
contributing to reported symptoms of ENT irritation
Asbestos
DEP Hard Copies (68 Boxes) / DEP Box 26
NYC-WTC_000152828Machine-extracted titleSummary Draft protocol establishing procedures for evaluating airborne and settled dust in residential and commercial areas near the World Trade Center.
” dust I/O Determine if asbestos is present in dust
Delete?
DEP Hard Copies (68 Boxes) / DEP Box 10 / BACKGROUND STUDY DATA 11.13
NYC-WTC_000149917Machine-extracted titleSummary Proposal for sampling and assessing building interiors in the vicinity of the World Trade Center site.
Environment Post Cleanup Pilot Study
Sampling Matrix
Silica,
Asbestos
DEP Hard Copies (68 Boxes) / DEP Box 43 / E-mails 2002 M. Gilsenan
NYC-WTC_000162218Machine-extracted titleSummary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.
ATTACHMENT 1
WTC Indoor Air Sampling Matrix Background Study
Samples Numbers Shown are Per Unit
Asbestos
DEP Hard Copies (68 Boxes) / DEP Box 43 / E-mails 2002 M. Gilsenan
NYC-WTC_000162220Machine-extracted titleSummary EPA staff distributed a chain of custody document to multiple federal and city agencies on May 15, 2002.
This was decided since pulverized silica would be particulate like and not fiber like as with asbestos and MMVF.
DEP Hard Copies (68 Boxes) / DEP Box 48 / 19 RECTOR STREET Block: 18 Lot: 27 BIN: 1000794 88 Greenwich St., 82-92 Greenwich Street, 87-97 Washington St
NYC-WTC_000120749Machine-extracted titleSummary Cover sheet for environmental testing report prepared for Black Diamond LLC at 88 Greenwich Street.
Asbestos was not detected on the majority of the
I samples and all were below the USEPA, NYC and NYS clearance criteria of <70 AS/MM2.
DEP Hard Copies (68 Boxes) / DEP Box 31 / 125 CEDAR 1 OF 2
NYC-WTC_000155798Machine-extracted titleSummary Cover sheet for a fax transmission sent from the US EPA Region 2 office in August 2002.
Asbestos/ Total #
Wipe Samples
MMVF
Lead Dioxins
DEP Hard Copies (68 Boxes) / DEP Box 44
NYC-WTC_000164737Machine-extracted titleSummary Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.
Sampling Parameters
Parameter Sample Tvpe Indoor/Outdoor Rationale for Selection
Asbestos breathing
