NYC-WTC_000220188

NYC 9/11 Public Portal Document

T 228 East 45th Street 10th Floor WKP New York NY 10017 Tel (212)922 0689 LABORATORIES INC Fax (212) 922 0630

AIR SAMPLE ANALYSIS REPORT PHASE CONTRAST MICROSCOPY

CLIENT WARREN & PANZER ENGINEERS P C TURNAROUND TIME ASAP

WFP FILE # 501 01 SAMPLE DATE 5/29/98

WKP LOG ID # A980601 RECEIVED DATE 6/1/98

ANALYSIS DATE 6/1/98

REPORT DATE 8/28/98 CLIENT JOB NYC DDC

CLIENT JOB # 821 69 01

LOCATION HUNTS POINT LIBRARY BASEMENT/BOILER RM ANALYSIS AIRBORNE FIBER COUNTING PHASE CONTRAST MICROSCOPY NIOSH 7400 NIOSH PAT Lab NO 07186 NY STATE ELAP Lab NO 11092 COLLECTION DEVICE 25 mm MCE Filter Cassette Collection Area = 385 sq mm Field Area = 0 00785 sq mm

SAMPLEWERE COLLECTED BY J ENANG

SUMMARY OF ANALYSIS

CLIENT SAMPLE VOLUME FIBERS/ FIBERS/ SAMPLE # LOCATION (LITERS) sq mm cc 001 BASEMENT MIDDLE 1800 2 548 <003 002 BOILER ROOM BY SWITCH BOX 1800 3 185 <003 003 BOILER ROOM MIDDLE 1800 1 274 <003 004 1 ST FLOOR BY COPIER MACHINE 1800 1 911 <003 005 1ST FLOOR 10FT OF SOUTH WALL 1800 5 732 <003 006 1ST FLOOR 13FT OF NORTH WALL 1800 1 274 <003 007 FIELD BLANK 0 000

NOTES 10 fibers/100 fields was used to calculate the lower limit of quantification (LOQ) Results below the LOO have no statistical validity Samples were not collected by WKP Laboratones Inc The Federal EPA Clearance Catena following an asbestos abatement project is 0 010 fibers/cc PCM air samples will be disposed of after 3 months unless otherwise directed by client in wnting

(^LABORATORY ANALYST ^LABORATORY DIRECTOR

CITY_21MC100_002833174

NYC-WTC_000220188