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NYCDOH/ATSDR residential asbestos sampling results, April 2002

Machine-extracted title · confidence 87%

Draft compilation of asbestos air samples collected from residential areas November-December 2001 by NYC DOH and ATSDR.

NYC-WTC_000164960–000165012
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■D o c o CT o Follow up Recommendations Based on Sampling Results from ATSDR’s Residential Sampling o' cn "0 CD o CD 03 o> Asbestos level (bulk and air) Sequential steps for follow up Comments/Notes; O o Settled dust 1. Clean-up Clean-up should follow OSHA standards for training and o c > 1% asbestos w/w (PLM) 2. Resample air and bulk worker protection and any state laws for licensing. 3 and 3. Evaluate data Consideration should be given to removing hard to clean CD 3 air 4 Determine next actions based on furnishings, like carpet and upholstery, if sampling data any level follow up recommendations remains elevated after repeated cleaning Settled dust 1. Clean-up Consideration should be given to removing hard to clean >Detection Limit - • *1% 2. Resample air and bulk furnishings, like carpet and upholstery, if sampling data w/w (PLM) 3. Evaluate data remains elevated after repeated cleaning and 4. Determine next actions based on air follow up recommendations > 0.01 f/cc (TEM) Settled dust 1. Evaluate all appropriate data >Detection Limit - • •!% related to asbestos (air, bulk, personal Special attention should be paid to hard to clean surfaces. w/w (PLM) monitors - PLM, PCM, TEM) (e.g., certain fabrics, furniture, carpet, and curtains). and 2. Determine appropriate follow up air based on professional judgement <0.01 f/cc (TEM) 3. If clean up is recommended, resample and reevaluate results Settled dust 1. Clean-up Remain advised of outdoor levels. If high levels are N on-detect (PLM) 2. Resample air frequent retesting may be appropriate. and 3. Evaluate air data air 4. Determine follow up actions > 0.01 f/cc (TEM) Settled dust No further action Non-detect (PLM) and air <0.01 f/cc (TEM)

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NYC-WTC_000164996Source: NYC Law Department, mirrored locally

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