NYC-WTC_000210405

NYC 9/11 Public Portal Document

AIRTEK Date: 12/21/01 Proj Num: 01-1212 ENVIRONMENTAL Page: 171 AIR SAMPLING RESULTS CORP Code: JG

—Types of Project— Address:LIONS HEAD 110 DEVELOPEMENT LLC 110 CHURCH ST. State: Zip: Date Analyzed:12/22/01

Sample JG -1221-01 JG -1221-02 JG -1221-03 JG -1221-04 JG -1221-05

Location IWA, AD J. TO IWA,ADJ. TO IWA,RIGHTSIDE IWA, IN FRONT IWA,14TH FL. TRANSFORMER TRANSFORMER OF OF ADJ. TO RM ON 16TH RM ON 16TH TRANSFORMER TRANSFORMER TRANSFORMER FL.120 CHURCH FL.120 CHURCH RM ON 18TH FL ON 18TH FL. RM 120 CHURCH

Activity DURING ABATEMENT DURING ABATEMENT DURING ABATEMENT DURING ABATEMENT DURING ABATEMENT

Personal

^vg Flow 15.0 15.0 15.0 15.0 15.0

lal Date 12/21/01 12/21/01 12/21/01 12/21/01 12/21/01

rime On 07:45P 07:46P 08:35P 08:35P 08:40P

rime Off 09;45P 09:46P 10:35P 10:35P 10:40P

Dot Time 120 min 120 min 120 min 120 min 120 min

rot Vol 1800 Itr 1800 Itr 1800 Itr 1800 Itr 1800 Itr

W Cnt Fibr Per Fid .005 .015 .345 .01 .30

ribr Cnt Fibr Per CC < 0.0015 < 0.0015 0.0094 < 0.0015 0.0082

Comments

ANALYSIS: NIOSH 7400 METHOD, A RULES - NIKON LABOPHO;

Authorized Signature

CITY_DEP_WORBY_CANNATA_SUBP_000021167

NYC-WTC_000210405