34 document results

Asbestos Asbestos refers to a group of natural fibrous silicate minerals of various structures (18).

Summary Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

actinolite asbestos, anthophylite asbestos, and tremolite asbestos.

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

of the concentration of asbestos structures starting from naturally occurring, inorganic, highly fibrous, silicate domi­ approximately 1000 asbestos structures per square

Summary Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

This next section reviews the air monitoring data for asbestos and discusses how these data relate to human health benchmarks developed for asbestos.

Chrysotile asbestos was the only form of asbestos identified, either by PLM or TEM, in all settled surface dust samples.

Longer asbestos fibers can penetrate into the deeper portions of the lung.

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

<6 (<0 0039) NA Chrysotile asbestos 9/15-16/01 [ 584/1404 C Air <16 (<0.0043) NA Chrysoftle asbestos

Summary Instructions and sections for collecting sample location data from a specific building interior.

**♦ Asbestos clearance criteria.

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

form of the asbestos as sampled.

Summary Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.

** Asbestos % by ** Asbestos % by Area Weight Sensitive

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

It is int^ed to of. serpentine (chrysotile); riebecto’ie (emddolheX grunerite (grunerite di^icrsc aggregated asbestos into fundamental fibrils, fiber asbestos

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

Preliminary Asbestos Results reported by Dr.

Summary A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.

Asbestos debris origi­ Asbestos means the asbestlform vari­ nating from the ACBM in question may eties of: Chrysotile (serpentine); cro­ also indicate damage.

Summary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.

, air exchange rates) as well as asbestos load (i7cm2).

Summary Notice instructing staff to preserve original World Trade Center documents for potential legal actions against the City.

** Asbestos To by ** Asbestos % by # Location (gram) Organic c Inorganic

Summary DEP asbestos project notification form and inspection report dated December 12, 2002.

All samples contained less than 1% asbestos (Chrysotile). Twelve air samples were analyzed for asbestos which was not detected in any air samples.

Summary Frequently asked questions and updates regarding disaster assistance, road reopenings, and victim support funds issued in October 2001.

e.g,, air exchange rates) as well as asbestos load (f/cin2).

Summary A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.

It is primarily used for estimating asbestos concentrations, though PCM does not differentiate betwe en asbestos and other fibers.

Summary A chain of custody cover sheet for air monitoring samples sent to the EPA Region 1 laboratory in January 2003.

that they are not asbestos must be con­ 4.

Summary Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

Asbestos in indoor dust samples was similarly very high.