211 document results

Summary Initial draft of the comprehensive scope of work required to safely clean 114 Liberty Street following environmental damage.

Clearance Monitoring: shall mean the employment of aggressive air sampling techniques with a volume of air collected to determine the airborne fungal spore, metals and asbestos concentration

Summary Initial draft of the comprehensive scope of work required to safely clean 114 Liberty Street following environmental damage.

This is to be accomplished by one worker assisting another in brushing each other off or vacuuming with HEPA filter equipment vacuums approved for asbestos and/or contaminated material

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.

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

Summary Transmission of cleanup and environmental monitoring documentation for 114 Liberty post-WTC dust remediation project.

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

Table 2: Clearance Criteria Parameter Clearance Level Note Asbestos in air Oj fi'cc PCMe Primary clearance level

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

Summary Letter from EPA official to a Congressional representative criticizing the adequacy of the 114 Liberty Street cleanup.

(December 19,2001) Wipe sampling for asbestos in Lower Manhattan. Projection of airborne levels from settled WTC dusts.