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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_000152609
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1 1 If) lO

N FBISampteResuUs.xls DUST and SILICA iD

SAMPLE RESULTS - RESPIRABLE DUST and CRYSTALLINE SILICA I SAMPLE AMBIENT/ ANALYSIS If) DATE LOCATION NUMBER PERSONAL METHOD USED METHOD LIMIT OF DETECTION SAMPLE RESULT LAB CD

CO 09/26/01 BLANK 136927 BLANK NIOSH 0600/7500 Dust 0.05 mg <0.05 mg Galson (0 co CM Silica 0.01 mg Quartz <0.01 mg Galson N Cristobalite <0,01 mg Galson Tridymite <0.01 mg Galson

09/27/01 Ground Zero 136937 Personal NIOSH 0600/7500 Oust 0.05 mg <0.05 mg Galson i i Silica 0.01 mg Quartz <0.01 mg Galson ( ( Cristobalite <0.01 mg Galson r Tri^mite <0.01 mg Galson ' C

.08/27/0W Ground Zen^ fc 136925 Personal NIOSH 0600/7500 DustO.OS mg 0.084 mg Galson Silica 0.01 mg Quartz <0.01 mg 3alson 2 Cristobalite <0.01 mg Galson Tridymite <0.01 mg Galsort u X! u 09/27/01 BLANK 136924 BLANK NIOSH 0600/7500 Dust 0.05 mg <0,05 mg Gelson Silica 0.01 mg Quartz <0.01 mg (Salson [Cnstobaiile <0^1 mg Galson C o Tridymite <0.01 mg Galson E '•

fl) 10/02/01 Landfill 137021 Personal NIOSH 0600 Dust 0.05 mg 0.119 mg Galson “ 01 ‘I Q 10/02/01 BLANK 137007 BLANK NIOSH 0600 Dust 0.05 mg <0.5 mg Galson 5 fl) Silica 0.01 mg Quartz <0.01 mg Galson u Cristobalite <0.01 mg Galson W c o CD z Tridymite <0.01 mg Galson hj £ 5 a o 0. o (*) 10/02/01 Landfill 137008 Personal NIOSH 0600/7500 Dust 0.05 mg <0.05 mg : Galson § sto Q Silica 0.01 mg Quartz <0.01 mg Galson TO IM ■c Cristobalrte<0.01 mg Galson tJ o o UI g D_ N O Tridymite <0.01 mg Galson o ’t . o' S CsI 3 I D.

05 O 1/10/02 32 of 35 12:57 PM i z

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NYC-WTC_000152609Source: NYC Law Department, mirrored locally

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