NYC 9/11 Public Portal Document
Building Method or
Number Sample TVpe Location Quartz Cristobalite TridymitB CalcitB Portlandite Gypsiun Mica Halite
29 Air (pg/m^) PM2.5 ND ND ASN ND ND ND ND ND
Settled surface dust
29 (%) Common area 1J ND ND 0.09 J 0.06 J 2J ND ND
Settled surface dust
29 (%)________ Outdoor 8J ND ND 3J 2J 2J 0.3 J 0.07 J
Settled surface dust
29 ________ Residence 1 0.2 J ND ND ND ND 1J ND
Settled surface dust
29 ________ Residence 2 ND ND ND ND ND ND ND ND
30 Air {pg/m’) PM100 NS NS NS NS NS NS NS NS
30 Air (pg/m^ PM10 3J ND ASN ND ND 3J ND ND
30 Air (pg/m^) PM4 ND ND ASN ND NO 5J ND ND
30 Air (pg/m^) PM2.S ND ND ASN ND ND ND ND ND
Settled surface dust
30 ________ Common area NS NS NS NS NS NS NS NS
Settled surface dust
30 ________ Outdoor NS NS NS NS NS NS NS NS
Settled surface dust
30 (%) Residence 1 1 J ND ND ND 0.9 J 4J 0.06 J 0.05 J
Settled surface dust
30 (%) Residence 2 0.6 J ND ND 0.4 J 0 .4 J 4J ND ND I
Results for IndMdual Comparison BuUdIngs Sampfed Above S9th Street (Buildings 31-34)
31 Air (pg/m’) PM100 NS NS NS NS NS NS NS NS
31 Air (pg/m^) PM10 ND ND ASN NO ND 3J ND NO
31 Air (pg/m*) PM4 ND ND ASN ND ND 5J ND ND
31 Air (pg/m®) PM2.5 NS NS NS NS NS NS NS NS
Settled surface dust
31 (%) Common area 1J ND ND 0.03 J 0.05 J 2J ND 0.04 J
Settled surface dust
31 (%)________ Outdoor NS NS NS NS NS NS NS NS
Settled surface dust
31 ________ Residence 1 ND ND ND ND ND 2J ND ND
Settled surface dust
31 (%) Residence 2 NO ND NO ND NO ND ND ND
32 Air (pg/m’) PM100 ND ND ASN ND ND 3J NO ND
32 Air (pg/m*) PM10 ND ND ASN ND ND 3J ND ND
32 Air (pg/m^) PM4 ND ND ASN ND ND 5J ND ND
32 Air (pg/m’) PM2.5 ND ND ASN ND ND 3J ND ND
Settled surface dust
32 ________ Common area 1J ND ND 0.4 J ND 3J ND ND
Settled surface dust
32 ________ Outdoor NS NS NS NS NS NS NS NS
Settled surface dust
32 ________ Residence 1 2J ND ND 0.9 J 0.08 J 4J 0.08 J 0.4 J
Settled surface dust
32 (%) Residence 2 NS NS NS NS NS NS NS NS
33 Air (pg/m^) PM100 ND ND ASN ND ND ND ND ND
33 Air (pg/m^) PM10 ND ND ASN ND ND ND ND ND
33 Air (pg/m^) PM4 ND ND ASN ND ND ND ND ND
33 Air (pg/m^) PM2.5 ND ND ASN ND ND NO ND ND
Settled surface dust
33 (%) Common area NS NS NS NS NS NS NS NS
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NYC-WTC_000149585
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