Air sample lab report, World Trade Center, Oct 2001

NYC 9/11 Public Portal Document HtDNEAULT ASSOCIATES PAGE 05 10/30/2001 16:53 6314676305

r Pfepared Exclusively For PEDNEAULTASSOCIATES, INC. NYCDEP-Emergency Responsi: & Tech Assrat. UISWNTHAnftUE. BOX20s, BOHEMIA. HI. 11716 96-05 Horace Harding Expressway LAB NUMBER: 01100507 Corona , 14Y 11368 (718)595-4650 PROJECT ID : WORLD TRADE CENTER- 5 Boro Sampling

MR. M. FAWZY, DIRECTOR Date received RELEASE DATE REPORT DATE 10/27/01 10/30/01 ______________________ COLLECT DATIL SAMPLE ILW: MATRIX: SAMPLE ORIGIN: 10/27/01 5:45 PM 01100507-002 AIR\GAS 138th St. & 3rd AVENUE. BRONX

PARAMETER METHOD RESULT UNITS Aluminum (Al) OSHAID 121/1250 <0.01 mg/m3 Antimony (Sb) OSHA ID 121/125G <0.01 mg/m3 Arsenic (As) OSHAID 12’1/1250 <0.01 mg/mS Barium (Ba) OSHAID 121/125G <0.01 mg/m3 Beryllium (Be) OSHA ID 121/125Q <0.01 mg/mS Cadmium (Cd) OSHAID 121/125G <0,01 mg/m3 Calcium (Ca) OSHA ID 121/125G 0.50 mg/mS Chromium (Cr) OSHAID 121/125G <0.01 mg/m3 Copper (Cu) OSHA ID 121/125G <0.01 mg/m3 Iron (Fe) OSHA ID 121/125G <0.01 mg/mS Lead (Pb) OSHAID 121/125G <0.01 mt}/rn3

Magnesium (Mg) OSHAID121/125G 0.11 mg/m3 Manganese (Mn) OSHAID 121/125G 0.11 mg/mS Mercury (Hg) OSHA ID 121/245.5 <0,01 mg/m3 Nickel (Ni) OSHAID 121/125G' <0.01 mg/mS Potassium (K) OSHA ID 121/125G 0.15 mg/m3 Selenium (Se) OSHAID 121/125G <0.01 mg/m3 Silver (Ag) OSHAID 121/125G <0.01 m£i/m3 Sodium (Na) OSHAID 121/125G 1.61 mci/m3 Thallium (Tl) OSHA ID 121/125G <0.01 nie/m3 Zinc (Zn) OSHAID121/125G 0.37 m6/m3

John Pedneault Page 2 of 8 Lab Director NYS ELAF> #10224 Reported results are reflective of TOTAL, Metals @ 2L per mln/15 min run. MWBE #46075

CITY_21MC100_011107469

NYC-WTC_000182453