Sample Analysis BM
Atomic Absorption 8pectrometry (AAS) using an air-acetylene flame with background correction.
Method of Sample Preparation and Anatvsls
All samples were prepared and analyzed in accordance with the HUD "Guidelines for
the Evaluation and Control of Lead Based Paint
Hazardous in Hoousing" Appendix 14.2 and the Environmental Protection Agency Method EPA
SW646.305017420,
'Gulam Machhiwela
Laboratory Director
Collected By: Peter Koslowsky
Analyzed By: Madell Collins
Minimum Dectection Limit = <20 ug/ft2
HUD "Guidelines for the Evaluation and Control of Lead-Based Paint Hazardous In Housing'
on wipe sampling are: '40 uglft2 for floors; •250 ug/ft2 for Interior window s4s; '400 06/85; define the clearance standards, based
ugltt2 for window and exterior concrete or other rough
Page 8 of 9
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NYC-WTC 000101046
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NYC-WTC_000101046Source: NYC Law Department, mirrored locally