NYC 9/11 Public Portal Document
4-DBC-2OO1 17:51 Philip An3.1Ytical Services Pa^e 1/2
TO; James Cohn FEOM: Philip Analytical
COMPANY: ATC Associates FAX#: (610)921-9667
TOTAL PAGES: 2 PHONE#: (610)921-8833
Project: 208594 19125-0246 / Silica Analysis
1472892 ATC-1127-STY-S1 Qu'
sampled; 27-NOV-Ol received: 28-NOV-Ol
Quartz < 5.0 ug/sample OSHA 142
Concentration < 0,0070 mg/m3
Particulate^ Total < 0.10 mg/sample 0500
Concentrat ion < 0,14 mg/m3
1472893 ATC-1127-STy-S2 /UJi
sampled: 27-NOV-Ol received: 28-NOV-Ol
Quartz < 5,0 ug/sample OSHA 142
Concentration < 0.0069 mg/m3
Particulate^ Total < 0.10 mg/sample 0500
Concentrat ion < 0.14 mg/m3
1472894 ATC-1127-STY-S3 r a Ii
sampled: 27-NOV-Ol received: 28-NOV-Ol
Quartz < 5.0 ug/sample OSHA 142
Concentrat ion < 0.0070 mg/m3
Particulate^ Total < 0.10 mg/sample 0500
Concentrat ion <0,14 mg/m3
1472895 ATC-1127-STY-S4 //ooj r-<_
sampled: 27-NOV-Ol received: 28-NOV-Ol
Quartz < 5.0 ug/sample OSHA 142
Concentration < 0.0070 mg/m3
Particulate^ Total < 0.10 mg/sample 0500' '
Concentration < 0.14 mg/m3
1472896 ATC-1127-STY-S5
sampled: 27-NOV-Ol received: 2S-NOV-O1
Quartz < 5.0 ug/sample OSHA 142
Concentration < 0.0069 mg /m3
Particulate^ Total < 0.10 mg/sample 0500
Concentrat ion < 0.14 mg /m3
1472897 ATC-1127-STY-S6
sampled: 27-NOV-Ol received: 28-NOV-Ol
Quartz <•5.0 ug/sample OSHA 142
Concentrat ion < 0.0069 mg /m3
Particulate^ Total 0.11 mg/sample 0500
Concentrat ion O, 15 mg/m3
CITY_21MC100_003101389
NYC-WTC_000182780
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