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Document / 57 pages

DEP memo on vehicle release from Ground Zero, January 24,

Machine-extracted title · confidence 95%

Memorandum regarding the FBI's plan to release vehicles from Ground Zero to Fresh Kills landfill for investigation.

NYC-WTC_000152556–000152612
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Scanned page image, NYC-WTC_000152610
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I r

': iI FBISampleResulls.xls DUST and SILICA

SAMPLE RESULTS - RESPIRABLE DUST and CRYSTALUNE SILICA

iD I DATE LOCATION SAMPLE NUMBER AMBIENT/ PERSONAL METHOD USED ANALYSIS METHOD LIMIT OF DETECTION SAMPLE RESULT LAB (0 h CO 10Z02/01 Landnil 137014 Personal NIOSH 0600/7500 Dust 0.05 mg 0.092 mg Galson (0 tn CM Silica 0,01 mg Quartz <0.01 mg___ _ Galson CM Cristobalite <0.01 mg Galson Tridymite <0.01 mg Galson

10/03/01 Landfill 137016 Personal NIOSH 0600/7500 Dust 0.05 mg_ 0,116 mg Galson Silica 0.01 mg Quartz <0.01 mg Galson Cristobalite <0.01 mg Galson Tridymite <0.01 mg Galson ! ________ 10/03/01^ Landfill 137012 Personal NIOSH 0600/7500 Dust 0.05 mg <0.05 mg Galson Silica 0.01 mg Quartz <0.01 mg___ Galson Cristobalite <0.01 mg Galson Tridymite <0.01 mg Galson L C

10/03/01 Landnil 137006 Personal NIOSH 0600/7600 Dust 0.05 mg 0.281 mg Galson Silica 0.01 mg Quartz <0.031 mg__ Galson I Cristobalite <0.01 mg Galson i Tridymite <0.01 mg Galson li 10/03/01 BLANK 137023 BLANK NIOSH 0600/7500 Dust 0.05 mg <0.05 mg Galson

I Silica 0.01 mg Quartz <0.01 mg Cristobalite <0.01 mg Galson Galson 5 Tridymite <0.01 mg Galson o w o CD > 10/17/01 Landfill 137025 Personal NIOSH 0600/7500 Dust 0.05 mg <0.05 mg Galson w z E 5 Silica 0.01 mg Quartz <0.01 mg Galson w o ao Cristobalite <0.01 mg Galson (U A o o CD Q Tridymite <0.01 mg Galson U) 04 N lU "ca GJ UI o o N -4 o Q_ O Q O o' S 3 N p G) 0- T) ru g r <3 ru 1/10/02 33 of 35 12:57 PM s 6 a> O > Z w-

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NYC-WTC_000152610Source: NYC Law Department, mirrored locally

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