997 document results

Summary A letter confirming that DEP has completed all specified clean-up and monitoring activities for 114 Liberty Street.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Summary Formal letter criticizing the EPA and DEP for alleged failures in cleaning asbestos and silica from 114 Liberty Street.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Summary EPA Region II letter confirming that primary and secondary clearance levels for asbestos and other contaminants were met at 114 Liberty Street.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Summary Federal agencies respond to resident concerns regarding the validity of environmental clearance data for 114 Liberty Street.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Summary Federal agencies respond to resident concerns regarding the validity of environmental clearance data for 114 Liberty Street.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Summary EPA confirms that primary and secondary clearance levels for contaminants at 114 Liberty Street have been met.

Asbestos - Eighty-eight air samples were collected before and/or during cleaning events.

Indoor floor dust sampling will be conducted for asbestos (via TEM as the detection limit for PLM is 1%); for silica, gypsum, mica (XRD); and for magnesium (EPA Method#).

asbestos, gypsum, I/O dust XRD ? mica, calcite magnesium I/O dust ICP (EPA? NIOSH?) ?

Indoor floor dust sampling will be conducted for asbestos (via TEM as the detection limit for PLM is 1%); for silica, gypsum, mica (XRD); and for magnesium (EPA Method#).

Summary Draft document outlining concepts and priorities for sampling buildings near the WTC to identify worst-case contamination scenarios.

Indoor floor dust sampling will be conducted for asbestos (via TEM as the detection limit for PLM is 1%); for silica, gypsum, mica (XRD); and for magnesium (EPA Method#).

Summary Notice from NYC Law Department instructing staff to preserve World Trade Center documents for potential legal actions.

Asbestos-containing materials on ventilation system components to be cleaned or damaged asbestos-containing materials in the vicinity of the ventilation system components to be cleaned. 4.

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

PLM testing did not detect levels of asbestos.

Summary Draft record containing tabulated data regarding asbestos sampling or analysis at the World Trade Center recovery site.

The average detected asbestos concentration was 0.048 fibers/mL (note: fibers/mL and fibers/cc are interchangeable).

Summary Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.

Asbestos and fibrous glass will be analyzed using New York State Method 198.1 (polarized light microscopy [PLM]); if <1% asbestos is found.

Summary Draft spreadsheet of asbestos sampling results from residential locations collected November-December 2001, circulated for review.

Asbestos and fibrous glass will be analyzed using New York State Method 198.1 (polarized light microscopy [PLM]); if <1% asbestos is found.

Summary Form documenting the tracking and handling of environmental samples collected by the Department of Environmental Protection.

PCM and transmission electron microscopy (TEM) Asbestos Hazard Emergent^ Response Act (AHERA), COPC in other media (e.g., asbestos, MMVF, and alpha-quartz in settled dust), compounds that were included

A single individual with Asbestos Project Monitor and Asbestos Project Sampling Technician certification shall not perform the functions of both Monitor and Technician during this project

A single individual with Asbestos Project Monitor and Asbestos Project Sampling Technician certification shall not perform the functions of both Monitor and Technician during this project

Summary Request for review of monitoring contractor specifications for air sampling, including sampling methodologies, limits of detection, and clearance criteria, with reference to prior…

A single individual with Asbestos Project Monitor and Asbestos Project Sampling Technician certification shall not perform the functions of both Monitor and Technician during this project

Summary Correspondence regarding Schedule A forms and a draft scope of work for cleaning and air monitoring contracts at the site.

Page 3, Asbestos Air Sample Collection and Analysis, Number 2 - Asbestos air samples shall be analyzed in accordance with EPA 40 CRF Part 763 Final Rule (AHERA) using a transmission electron microscope (TEM) and reported