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NYC-WTC_000199812

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199812–000199860
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NYC 9/11 Public Portal Document

TABLE 4. CONCENTRATIONS OF METALS IN WIPE SAMPLES OBTAINED FROM FURNITURE

“High Dust “Low Dust Building” Building” Field Blank 45 Warren Street 250 South End Avenue

45WAR2PB1 45WAR2PB2 45WAR5PB1 45WAR5PB2 dSWARSPES" 25OSEA10DPB1'

Metal Concentrations -

Aluminum 475 777 1,007 30 57 1,745

Antimony 33 35 18 20 120 2

Arsenic ND ND ND ND ND ND

Barium 13 19 16 ND ND 25

Beryllium ND* ND ND ND ND ND

Cadmium ND ND ND ND ND 1

Calcium 4,754 7,769 874 302 690 22,907

Chromium 3 4 4 ND ND 12

Cobalt 1 2 1 ND ND 1

Copper 7 10 10 2 ND 17

Iron 350 551 519 22 ND 1,036

Lead 25 30 14 14 ND 24

Magnesium 676 977 1,185 49 200 1,963

Manganese 23 38 47 1 ND 68

Mercury 9 0.04 0.02 ND ND ND

Nickel 2 2 1 1 ND 3

Potassium 108 183 207 36 38 355

Selenium ND ND ND ND ND ND

Silver ND ND ND ND ND ND

Sodium 275 426 267 133 590 464

Thallium ND ND ND ND ND ND

Vanadium 1 1 1 ND ND 2

Zinc 48 75 89 6 ND 183 ==±=

Denotes the concentration was below the analytical limit of detection. b Micrograms of metal per sample. Surface dust.

13

CITY_21MC100_006730101

NYC-WTC_000199831

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NYC-WTC_000199831Source: NYC Law Department, mirrored locally

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