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NYC-WTC_000196275
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000196275Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
STARTING DATE: 1/18/02 DATE LAST REV.: 2/19/02 DRAFT. CHCK. BY; S. Pangultiri INITIATOR: C. Hedin DWG. NO.: Jan1-15PCM.pdf DRAWN BY: G. Thompson DRAWN BY: ENGR. CHCK. BY; PROJ. MGR.: PROJ. NO.: 820337
LEGEND N I I WTC Site Area A • PCM Detects (> 0.1) w, Detected Sample t Non Detected Samples Impact Zone PCM Contours 0.0-0.01 / SI 0.01 - 0.1 O' 0.1 - 0.2 12-Jan-02 / 0.010 0.2-0.3 All Units are f/cc 0.3-0.4 0.4-1.0 ■I >10 14-Jan-02 0.010 , 7-Jan-02^ 14-Jan-02 Sampling Date o.oio 0.010 PCM Result
2-Jan-02 Primary road with limited access 4-Jan-02 0.010 Secondary and connecting roads 0.010 /\/ Waterfront
MODEL PARAMETERS: TYPE = KRIGING (UNIVERSAL) GRID SIZE = 4 METERS VARIOGRAM = LINEAR, NO DRIFT SLOPE = 1 ANISOTROPY = 1,0 NON-DETECTS = 0.0 DATA PTS (N) = 599
Note: Maximum value at each location was used for contouring; however, every exceedance above 0.1 was posted for Q discussion purposes. If no exceedances occurred for the given time period, the H highest value for all values is posted. K I
s o 100 200 Meters FIGURE #8: WORLD TRADE CENTER - GROUND ZERO O o PCM AIR SAMPLE ANALYSIS I 0.1 Miles JAN 1,2002-JAN 15, 2002 o
o co cn
NYC-WTC_000196275
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NYC-WTC_000196275Source: NYC Law Department, mirrored locally
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