Cleanup Criteria Pre-Cleaning Post - First Cleaning Post - Second Cleaning
COPC Air Wipe MV Air Wipe MV Air Wipe MV Air Wipe MV
Dioxin 0.001 ng/nn3 4 ng/m2
PAH 0.2 ug/m3 300 ug/m2
Asbestos 0.0009 f/cc n/a
Lead 1 ug/m3 25 ug/ft2 25 ug/ft2 97
MMVF 0.01 f/cc n/a
Silica 4 ug/m3 n/a
o
UD = Uneven distribution of material
H
K OL = Overloading of particulates
I
MV = Microvac
I
o
o
I
o
o
on
CO
Ui
NYC-WTC_000195340
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000195340Source: NYC Law Department, mirrored locally