NYC-WTC_000199730

NYC 9/11 Public Portal Document

Bulk/Dust Samples NYC / ER (Sep 26) - Metals o 1 sample obtained from the lobby at 110 Greenwich did not detect any metals above levels of concern based on EPA Removal Action level guidelines and the OSW ER Soil Lead Directive.

NYC / ER (Oct 2) - Asbestos o 3 samples were collected from a sand pile located on W est and Vesey Sts (Central Personal Hygiene Complex). o Asbestos was either not detected or at less than 1% chry sotile in all 3 samples. Fresh Kills (Oct 14) - Asbestos

o Asbestos was not detected in all 12 sam pies collected from various steel and debris piles. Wipe Samples

P.S.234 (Sep 29)-PCBs

o PCBs were not detected in any of the 7 samples collected indoors. o 1 sample was not analyzed.

Direct Reading Instruments

NYC/ER (Oct 18) o Overall increase in C O readings noted. o Several readings noted in the early afternoon above the NAAQS (8 hr. average) of 9 ppm, but below the NAAQS (1 hr. average) of 35 ppm and the OSHA PEL of 50 ppm. Ambient Water Monitoring

NYC / ER (Oct 18) - Exchange Place PATH Dewatering o 5-day BOD reported as 160 m g/1. o Results more than double the level detected in the Oct 3 sam pie collected at the same location and about four times greater than the Newton C reek STP effluent of Sep 15/16.

CITY_21MC100_002458743

NYC-WTC_000199732