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← Document results/DEP Box 01/66 JOHN STREET Block: 67 Lot 1 Bin:1079043 59 Maiden Lane, 41-65 Maiden Lane/85-105 William St
Document / 13 pages

Cover letter transmitting air quality report, March 2003

Machine-extracted title · confidence 75%

A transmittal letter dated March 25, 2003, accompanying an attached report regarding air quality or environmental conditions at a specified location.

NYC-WTC_000093100–000093112

Folder label: “66 JOHN STREET Block: 67 Lot 1 Bin:1079043 59 Maiden Lane, 41-65 Maiden Lane/85-105 William St

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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

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NYC-WTC_000093103Source: NYC Law Department, mirrored locally

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