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Letter re: WTC Asbestos Cleanup Complaint, June 6, 2002

Machine-extracted title · confidence 95%

Letter from a complainant regarding improper asbestos cleanup at 333 [name] and requesting reinvestigation of test results.

NYC-WTC_000154594–000154613

Folder label: “Buildings 105 Duane 80 John Gateway etc. 75 Park 200 Rector Trinity Church

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NYC 9/11 Public Portal Document

NORTH ATLANTIC LABORATORIES. INC. ^sM3M8SSaMi£i --------------------------------------- I too SwEeNeYDAL.E Ave. Ba* shore, NY 11706 (631) 381-0400 FAXs (631) 351-0410

ats-rOBER 1 44-( 2001

!

Fireman's Funs inburancc Qompany t

Rei Airborne as b eh to b Tehting @ Penthouse C, aas rector Place

NORTH ATLANTIC LABDRATCRIEBf iNC. HAS CONDUCTED AIR DUALITY TESTING FOR AIRBORNE ASBESTOH AT THE ABOVE REFERENCED APARTMENT.

The anauvtidau MeTHOsauasY for AiRsaRNe AasESTas was ubins Phase Contrast MicRoacaPY tPDMl under the NIOSH 74DC METHOD. This method counts auu fibers that demonstrate a 3n LENGTH TO WIDTH RATIO THAT ARE LARDER THAN 5 MICRONB tMIM-IDNTWQ OF A METER) IN SIZE.

A total of five area samples were COLLECTED FROM THE APARTMENT. ANALYSIS REVEALED THAT FOUR OF THE FIVE SAMPLES WERE WITHIN THE PERMISSIBLE EXPOSURE LIMIT (PSD OF 0.1 FIBERS PER CUBIC CENTIMETER OF AIR (F/CD> AS ESTABLISHED BY THE 08 DOL^s Occupational and safety and Health Administration i (OBHA). These four samples did however exceed the more 1 STR I NS ENT ASBEBTOa PROUECT BLEARANCE CRITERIA OF 0.01 F/CC AB .ebtablibhep SY New York State Industrial Dope Rule 56. The fifth sample wab overloaded with particulate matter, and THEREFORE COULD NOT BE ANALYZED. THIS IB BELIEVED TO BE LARBELY ATTRIBUTABLE TO THE CONDITIONS AT THE TIME OF TESTING; PERSONS WERE SHAKING OUT RUBS IN THE AREA.

FUTHER, it (S LIKELY THAT THE FOUR ELEVATED READINGS OBTAINED ARE NOT WHOLLY REPRESENTATIVE OF AIRBORNE ASBESTOS CONCENTRATIONS. RATHER OTHER PARTICULATE (I.E. FIO ERG LASS, OELLULOSe) THAT HAVE UPWARDLY BIASED THE RESULTS. IT IS RECOMMENDED THAT THIS PRESUMPTION BE CONFIRMED SY REMANDING THESE FOUR SAMPLES FOR THE AESEBTOS SPECIFIC TRANSMISISON electron MICROBOPY (TEM) METHOD FOR A TO OBTAIN A DEFINITIVE I RESULT.

I

NYC-WTC_000154612

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NYC-WTC_000154612Source: NYC Law Department, mirrored locally

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