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

NYC 9/11 Public Portal Document

INC. NORTH ATLANTIC LABORATORIES, 1) 1-0400 BAY SI4ORE, NY 1 1706 100 SWLENEYDALE AVE. FAXI (631) 95 1 -0410

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COMPANY FIREMAN'S FUND INSURANCE

PII _________r ~J~ REC:FOt RLS AIRWORPIE ASBESFOB TEPTINS 1I -AC:

QUALITY INC. HAS CONDUCTED AIR NORTH ATLANTIC LAB RATORIES, AT THE ABOVE REFERENC3ED TESTING FOR AIRBORNE A96EP TOS APARTMENT.

USING FOR AIIIBCRME ANNE13TOIS WAS THE ANALYTICAL METHt3pCI_OMV MICRCIgUOPY (POM) UNDER THE N1QSH 7400 PHASE CONTRAST A 311 COUNTS ALL FIBERS THAT DEMONSTRATE METHOD• TmIs METHOD LARGER TITAN 5 MICRONS LENGTH TO WIDTH RATIO THAT ARE (MIL<LIONTHS OF A METER) IN SIZE.

WERE COLLECTED FROM THE A TOTAL OF FIVE AREA SAMPLES FOUR OF THE FIVE SAMPLES APARTMENT. ANALYSIS REVEALED THAT EXPOSURE LIMIT tPE6.) IMF 0.1 FIBERS WERE WITHIN THE PEFeMISSIQLE US (F/CU) AS ESTABLISHED BY THE PER CUBIC CENTIMETER OF AIR ADMINISTRATION DOL►s QQGUPAtIDNA1- AND, SARETY AND HEALTH HOWEVEM EXCEED THE MORE (OSHA). THESE FOUR SAMPLER DID r 't 1T A pF 0.01 FICCI AS STRINGENT ASBESTCDH PROJECT CLEARAN E 0013E RULE 56. EETASUgMEp w' NEW YORK STATE INDUSTRIAL OVERLOADED WITH PARTICULATE MATTER, AND Tu'+E FIFTH SAMPLE WAS BELIEVED TO BE THEREFORE COULD NOT RE ANALYZED. THIS IS CONDITIONS AT THE TIME OF TE$TINS LARSELY ATTRIBUTABLE TO THE THE AREA. PERSONA WERE SHAKING OUT RUGS IN

FOUR ELEVATED READIN®B OBTAINED FL[THER, IT tS LIKELY THAT THE OF AIRBORNE ASBESTOS ARE NOT WHOLLY REPRESENTATIVE PARTICULATE (I.E. FISERISLRSS. CONCENTRATIONS. RATHER OTHER UPWARDLY BIASED THE RESULTS. IT IS CELLUL.D$E) THAT HAVE SE CONFIRMED BY REMANDING RECOMMENDED THAT THIN PRESUMPTION ASBESTOS SPECIFIC TRANSMISIBON THESE FOUR SAMPLES FOR THE TO OBTAIN A OEFINIT1VE ELECTRON MICROSOPY ITEM) METHOD FOR A Ia ESU LT.

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