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Document / 33 pages

DEP WTC laboratory analysis report, Nov 2001

Machine-extracted title · confidence 90%

Laboratory analysis report showing elemental composition results for World Trade Center samples dated November 2001.

NYC-WTC_000066067–000066099

Folder label: “ICP 11/16/01

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NYC 9/11 Public Portal Document

Hri3lysis Report 11/16/01 0,1:31:54 PM page i

Method; IECW S a m p 1 e N a m e : 26 5 38 Operator: it Run rime: 11/16/01 13:30:09 Comment: Mode: CONC Corr. Factor: 1

Elem ftg32ao A13082 AS1936 B_2496 8a4934 ee3130 Ca3179 Avge <.0000 <.0000 <.0000 .0031 ,0146 <.oOoo 6,164 SDev ,. 0006 , 00 7 9 . 0304 . 001 7 . 0003 ,.0001 ,. 003 %RSD 7.886 22.41 328.2 54.90 2.. 426 25.66 ,0437

# .1 < , 0000 < . 0000 < ,. 0000 . 0045 . 0148 < .. 0000 6,168 #2 <.0000 <.0000 <.0000 .0045 .0148 <.0000 6.164 #3 <,0000 <.0000 ,0130 .0010 . 0141 <.0000 6.162 #4- < 0000 <.0000 . .. 0159 .0025 .0148 <.0000 6.162

Eletn Cd2288 CO2286 Cr2677 CU3247 Fe2S99 K_7664 Mg2790 Avge <.0000 <.0000 <.0000 ,.0211 . 0581 <„0000 1. 192 SDev .. 0009 .. 0009 .0011 .. 0006 ,0012 . 1796 .009 %RSD 101.2 21,90 24.52 2.963 2.133 6.379 .7778

#1 < „ 0000 < . 0000 <.0000 . 0203 05 7 8 <.0000 1 . 190 #2 <.0000 <.0000 <.0000 .0211 .0591 <,0000 1.187 il 3 < „ 0000 < „ 0000 < ,. 0000 .. 0218 ,.0591 < ,. 0000 1.205 #4 < 0000 < 0000 <.0000 . 0211 .0565 <,0000 1 . 184

Elem l*ln2S76 1*102020 Na58Q9 Ni2316 Pb2203 Sb2068 Sei960 Avge ., 0183 < ,. 0000 6.957 .007 0 <.0000 <.0000 <.0000 SDev ,. 0003 ,.0013 . 045 .0061 ,.0179 .0116 .0703 %RSD 1.724 15.33 , 6450 87.37 56.76 19.98 542.5

#1 .0185 <.0000 6.956 „ 0031 <.0000 < . 0000 .0202 #2 .0185 <.0000 6.903 .0155 <.0000 < . 0000 <.0000 #3 ..0178 <.0000 7 ,. 013 , 0020 < 0000 < 0000 . 0699 #4 .0185 <.0000 6.956 . 0076 <.0000 <.0000 <„0000

Elem Si2881 T11908 V_2924 Zn213S Avge .0105 <.0000 <,0000 ,0017 •SDev ,060 7 . 1071 . 0011 .00 1.2 %RSD 575:0 422 ., 5 27 „ 96 72,45

#1 < . 0000 <,0000 <.0000 . 0015 #2 <.0000 <,0000 <.0000 .0003 #3 , 0847 <.0000 <.0000 , 0033 #4 .0337 . 1211 <.0000 .0015

NYC-WTC_000066090

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