10. Some common outdoor
spaces (i.e. alleys, yards, setbacks)
included in the quantity,estimates may be included in this clean-up.
anid shall be cleaned using the same They have been
procedures as-the roofclean-up.
11. Air Monitoring shall be
performed by NYSDOL licensed a Third
workers. The Third Party, Air Party Air
inspectionMo toring Pinta with certified
AGM or debris after the areas aremonitoring firms 11 Dorm a visual to confirm the absence of
completely dry, Clearance air monitoring
collected during the work were
found to be below 70 s/rnm , shaII not be required if all samples
• Page 4
05/03/02
NYC-WTC 000118369
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000118369Source: NYC Law Department, mirrored locally
Department of Environmental Protection letter to building owner regarding exterior building surveys conducted in vicinity of World Trade Center and observed debris accumulation.