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Ambient air sampling report Book Two for 105 Duane Street,

Machine-extracted title · confidence 98%

Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.

NYC-WTC_000104321–000104551

Folder label: “105 DUANE ST 1001650, 151/1

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Scanned page image, NYC-WTC_000104547
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NYC 9/11 Public Portal Document

DEC 06 2001 19:32 FR SCILAB BOSTON 781 337 7642 TO 12123538306 P.04/06

Customer: ATC Associates

bUQ. SERVIC$ ENVLRONMENTAJ, LIBORA7oRIES Workorder No. 0112-00039 Sample: 008 6 APT #14b (936 L.) (Continued)

• Date: 11/21/01 Matrix: AIR Parameter Method Results I Lead, Air Copper,Air ICP, NIOSH 7300 200.7 ND 0.288 Units ug/m3 ug/m3 QPP L 2.14 0.107 Analyst TDJ TDJ Analysis Date 12/06/0I 12/06/01 Chromium, Air ICP, NIOSH 7300 ND ug/m3 0.214 TDJ 12/06/01

Sample: 009 7 APT #14F 900 L.) Date: 11/21/01 ( Matrix: AIR Parameter Method Results Units ! Analyst Analysis Date Lead, Air ICP, NIOSH 7300 ual ND ug/rn3 2.22 TDJ 12/06/01 Copper,Air 200.7 0.269 ug/m3 0.111 TDJ 12/06/01 Chromium, Air ICP, NIOSH 7300 ND ug/m3 0.222 TDJ 12/06/01

I Sample: 010 8 APT #12E (960 L.) Date: 11/21/01 Matrix: AIR Parameter Method Results Units P L Analyst Analysis Date ual Lead, Air ICP 7300 ND L ug/m3 2.08 TDJ 12/06/01 Copper,Air 200.7 0.794 ug/m3 0.104 TDJ 12/06/01 Chromium Air ICP, NIOSH 7300 ND ug/m3 0.208 TDJ 12/06/01

I I I Certifications: MA: MA069 NY.10982 CT: PH0119 R ;A45 CA:2050 ME:MA069 NJ: 59744 Page: 3 of 4

I NYC-WTC 000104547

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NYC-WTC_000104547Source: NYC Law Department, mirrored locally

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