NYC 9/11 Public Portal Document
I . 2NT1' MUCTION:
GLC~AR Corp., Asbestos Testing and Consulting, was contracted by
59 Maiden Lane Associates LS.C, to collect ambient Air aas~p.Les,
and tested utilising PI and TE.M Analysis.
sa2ples were collected at 39 )Maiden Lane, NY, NY, on the 9'a, 10"
a i1" fl oors. Testing was performed on sMh 4" and 5'a , 2003 by
qtr. Sean Murray, NTS Inspector, AiI-90-00304.
II. AIA WVITQAIVf CRITNR.TA, ) TROO8 a ANALYSX3:
Air Monitoring d'aziaq cos~lied with Part 56 of Title 12, sub-Part
56-17, Air SaMpIioq Monitoring and Analysis of the Official
COrlpilation of Codes, Rules and Regulations of the state of Neel
York. Air .s ling Monitoring shall use (at a atnimum),
standasda administrated by the National Institute for
Occupational Safety 4 Health (NIOSK) Method 7400 (PCI) and Method
7402 (IBM. Also followed is the New Tork State Departernt of
Health =nvironantal Laboratozy Approval program (SLAP) Itess •'s
236-273. PC7( analysis gives an iadeY of Airborne Fibers in the
work place and TR1 analysts gives an index of Asbestos Airborne
Fiber$ in the work place,
III. 5U ART OF woes COM?LITID:
March 4 a 3, 2003 -
9" PLOO (John 8 tenet .8140 or Iild )
Mr. Sean Murray was on sit, to collect Five (5) Ambient Air
Samples on the 9th Floor. sour Samples, one each at the North,'
South, Nast and west side of the Floor were taken and tested
utilising S Analysis. O=►e Se>aple was taken in the Center of the
Floor and tested utilising T Analysis.
Air Samples were collected and laboratory analysed at Scientific
Laboratories, Ina, 117 Bast 30' Street, New York. Fiber
concentration were wall below 0.01 fibers per cubic centimeters
(f/ec) PL analysis and well below 70 straat'ares/sq.sooe - TIN
analysis.
See APPZNDIZ A LABC ATORT ANALYSIS for location and analysis
NYC-WTC 000093103
OCR can misread numbers and units. Confirm readings against the page image before using them.