NYC-WTC_000220498

NYC 9/11 Public Portal Document

] Prepared Elxclusively For: PEDNEAULTASSOCIATES, INC. NYCDEP-Emergency Response & Tech Assmt. 1615 NINTH AVENUE. BOX205. BOHEMIA. NY. 11716

96-05 Horace Harding Expressway LAB NUMBER; 01100376 Corona , NY 11368 PROJECT ID : WORLD TRADE CENTER 5- Boro Sampling (718) 595-4650 MR. M. FAWZY, DIRECTOR DATE RECEIVED RELEASE DATE REPORT DATE 10/19/01 10/21/01 10/21/01 COLLECT DATE; SAMPLE ID#: MATRIX: SAMPLE ORIGIN:

AIR\GAS BROADWAY AVE & 31 St ST. , QUEENS 10/18/01 7:30 PM 01100376-001 PARAMETER METHOD RESULT UNITS Aluminum (Al) OSHA ID 121/125G 0.02 mg/m3 Antimony (Sb) OSHAID121/125G 0.58 mg/m3 Arsenic (As) OSHA ID 121/125G 0.36 mg/m3 Barium (Ba) OSHA ID 121/125G <0.01 mg/m3 Beryllium (Be) OSHA ID 121/125G <0.01 mg/m3 Cadmium (Cd) OSHA ID 121/125G 0.01 mg/m3 Calcium (Ca) OSHA ID 121/125G <0.01 mg/m3 Chromium (Cr) OSHA ID 121/125G 0.01 mg/m3 Copper (Cu) OSHA ID 121/125G 0.03 mg/m3 Iron (Fe) OSHA4B 42V425G- 0.45 - mg/m3 Lead (Pb) OSHATD 121/125G 0.34 mg/m3 — Magnesium (Mg) OSHA ID 121/125G <0.01 mg/m3 Manganese (Mn) OSHA ID 121/125G 0.01 mg/m3 Mercury (Hg) OSHA ID 121/245.5 <0.01 mg/m3 Nickel (Ni) OSHA ID 121/125G <0.01 mg/m3 Potassium (K) OSHA ID 121/125G <0.01 mg/m3 Selenium (Se) OSHA ID 121/125G 0.35 mg/m3 Silver (Ag) OSHA ID 121/125G 0.01 mg/m3 Sodium (Na) OSHA ID121/125G <0.01 mg/m3 Thallium (Tl) OSHA ID 121/125G <0.01 mg/m3 Zinc (Zn) OSHA ID 121/125G <0.01 mg/m3

John Pedneault Page 129 of 240 Lab Director NYS ELAP #10224 Reported results are reflective of TOTAL, Metals @ 2L per min/15 min run. mwbe #46075

SUPPLEMENTAL 11

CITY_21MC100_002834710

NYC-WTC_000220498