623 document results

Summary Document tracking the chain of custody for environmental samples collected at 125 Cedar Street on August 21, 2002.

Parameter Clearance Level Note Asbestos in air 0.0009 flee PCMe Primary clearance level Lead in settled dust <25 pg/tf

Summary Document tracking the chain of custody for environmental samples collected at 114 Liberty Street on August 22, 2002.

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25 pg

Summary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.

The compounds of interest were asbestos, man-made vitreous fibers, lead, dioxin, polycyclic aromatic hydrocarbons, and crystalline silica.

Summary Document outlining scope of work for asbestos abatement contractor and environmental monitoring at 125 Cedar Street.

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/

Within the restricted zone (within one block of the WTC), low levels of asbestos have been found in the airborne dust from the building collapse (7).

Summary Interim final report from EPA Region 2 detailing a background study of environmental conditions at the World Trade Center site.

Residence [EPA, 1989] EF (Exposure Frequency) 365 days/yr Days in Residence [EPA, 1989] lUR (Inhalation Unit Risk) 2.3 E -01 (asbestos

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25 pg/

Summary Memo reporting air sampling results for December 2-3, 2001 at the SIAC Exchange building.

NYC 9/11 Public Portal Document SIAC Air Quality, December 2-3, 2001 All asbestos air samples were all

Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level Lead in settled dust <25 pg/

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/tf

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25 pg/tf

Summary Chain of custody form dated August 22, 2002, documenting transfer of samples or materials between DEP personnel.

Parameter Clearance Level Note Asbestos in air 0.0009 ficc PCMe Primary clearance level Lead in settled dust <25 pg/tf

Summary Technical correspondence addressing asbestos air sampling methodology and pump flow rate specifications.

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 flee PCMe Primary clearance level

Parameter Clearance Level Note_________________ Asbestos in air 0.0009 fZcc PCMe Primary clearance level Lead in settled dust

Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level Lead in settled dust <25ug/tr

Summary Scope of work document dated February 2003 detailing a mandatory pre-bid meeting and requirements for asbestos abatement contractor cleaning at 114 Liberty Street.

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 free PCMe Primary clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air 0.0009 f/cc PCMe Primary clearance level

Post cleaning air samples for fibrous glass and silica shall be collected concurrently with the asbestos clearance air sampling procedures specified herein.