NYC-WTC_000203412

NYC 9/11 Public Portal Document

Add Gases Air Sampling Analysis Results ' Metal Air Sampling Analysis Results Collection Date; Night of 10/8/01 Collection Date: 10/8/01 ■ Units; mg/m’

Compound Queens Bronx Manhattan Brooklyn Brooklyn Staten Island Metal Queens Bronx Manhattan Brooklyn Brooklyn Staten Island Broadway Ave 138"'5t& Central Park N. Berry St & Atlantic Ave & Bay St & Broadway Ave 138'^ St & Central Park N. Berry St& Atlantic Ave & Bay St & &31«St 3^ Ave & Lenox North 11** St Smith St Victoiy Blvd &3r'St 3'^ Ave & Lenox Nonhl1"Sl Smith St Victory Blvd i Acetic Acid <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM Alaminum (Al) <0.01 0.16 0.07 0.02 <0.01 0.03 Nitric Acid <1.0 PPM <1.0PPM <1.0 PPM <1.0 PPM <1.0 PPM <1.0 PPM Antimony (Sb) 1.20 0.36 0,22 0.06 0.10 <0.01 Sulphuric Acid <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM <5.0 PPM Arbeiiic(As) 0.20 0.01 0.06 <0.01 <0.01 <0.01 Hydrochloric Acid <10.0 PPM <10,0PPM <10.0 PPM <10.0 PPM <10.0 PPM <10.0 PPM Barium (Ba) <0.01 <0.01 <0.01 <0.01 <0.01 <001

I Formic Acid <1.0 PPM <1.0 PPM <1.0 PPM <1.0 PPM <1.0 PPM <1.0 PPM Beryllium (Be) 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 I Chromic Acid <0.10 PPM <0.10 PPM <0.10 PPM <0.10 PPM <0.10 PPM <0.10 PPM Cadmium (Cd) 0.01 <0.01 <0.01 <0.01 <0.01 <0,01 Acid Test <10.0 PPM <10.0 PPM <10.0 PPM <10.0 PPM <10.0 PPM <10.0 PPM Calcium (Ca) 0.18 <0.01 <0.01 <0.01 0.49 <0.01

Chromium (Cr) 0.04 0.02 <0.01 0.01 0.01 <0.01

Copper (Cl) 0.04 0.03 0.01 <0.01 0.02 0.01

Iron (Fe) 0.32 0.25 0.33 0.02 0.67 0.15

Le3d(Pb) 0.05 0.01 0.15 <0.01 0.01 <0.01

Magnesium (Mg) 0.10 0.17 0.01 <0.01 0.10 I <0.01

Manganese (Mn) <0.01 0.01 0.02 0,01 <0.01 0.01

I Mercury (Hg)

Nickel (Ni) <0.01

0.01 <0.01

<0.01 <0.01

<0.01 <0.01

<0.01 <0.01

<0.01 <0.01

<0.01

Potassium (K) <0.01 0.04 0.08 0.02 0.03 0,02

Sclcniu.m )Se) 0.15 <0.01 0.08 <0.01 <0.01 <0.01

I Silver (Ag) 0.01

i' 0.01 <0.01 <0.01 <0.01 <0.01 K)

2 Souijiu (Na) 0.65 0.13 0.42 <0,01 2,26 <0,01

Thallium (Ti) <0,01 <0.01 <0.01 <0,01 <0.01 <0.01

& Zinc(Zr,) 0.02 <0.01 G.02 <0.01 <0.01 0.01 cc 186 187

NYC-WTC_000203412