Cleanup Criteria Pre-Cleaning Post - First Cleaning Post - Second Cleaning Post - Third Cleaning
COPC Air Wipe MV Air Wipe MV Air Wipe MV Air Wipe MV Air Wipe MV
Dioxin 0.001 ng/m3 4 ng/m2
PAH 0.2 ug/m3 300 ug/m2
Asbestos 0.0009 f/cc n/a OL
OL
OL
Lead 1 ug/m3 25 ug/ft2 25 ug/ft2 49.4
44.6
35.4
MMVF 0.01 f/cc n/a
Silica 4 ug/m3 n/a
o
H OL = Overloading of particulates
MV = Microvac
to
l->
S
O
o
o
I
o
o
(JI
NYC-WTC_000195339
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000195339Source: NYC Law Department, mirrored locally