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NYC-WTC_000195867

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000195867–000195877
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NYC 9/11 Public Portal Document

SEF-ie-2e01 16:09 P,02/19

September 18.2001 nizllam) Prelunirean> New York City/ World Trade Center Sampling Activities Dredge Material Sediment Sampling 09/15/01

EPA Personnel: Dennis McChesney Kaikieen Savino DEC Personnel: Stephen Zahn, DEC Police OfF’ccrs/Boai operators

Sampling platform: NYSDEC Police Vessel

SampUng Date: 09/15/01 Sampling Time: 17254843 Locaticn: Foot cf Vesey by CSO M-6 Sample Matrix; Sediment

PrelimiBary Results; Two (2) PCS5 (Aroclors) were detected at concentrations exceeding NOAA Effects Range Medium (BRJ4), and average concentrations in Harbor sediments. Lead and mercury were also detected above the ERM and average Harbor sediment concentrations. PaHs associated with coal tar creo.sote and industrial acth’in’ were detected. Five (5) PAH compounds exceedec the ERM, and all were from a single shallow sample. PAH exceedences of ERMs were all less than a factor of tv.'o (2). Three VOCs were detected at very low concentrations, Dioxin/Furan data is expected £:om the contract lab on Wednesday 09/19/01. Dredge material disposal is at the Newark Bay contaminated sediment borrow pits.

Analytes iLaboratoiy); Metals (REAC, Raj Singhvi coordinating) ?esticides;TCBs (REAC, Raj Singhvi coordinating) PAHs (REAC, Raj Singhvi coordinating) VOCa (REAC. Raj Singhvi coordinating) Dioxins-Turans (Paradigm Analytical, Raj Singhvi coordinating) Toxicity (EP.A Region 2)

Pre-dredged areas. Discrete samples were collected from three (3) transects shore (by Joe DiMaggio Drive) to the Hudson River (west to east) using a petit ponar dredge sampler The entire sample (about 6 inches depth) was collected, and the VOC sample was allocated to as sample jar. The remaining sample was homogenized, and allocated to sample jars. Dredging operations are ongoing.

Dredge .Material: The operating dredge acquired a full bucket of sediment and laid it on the barge deck. Three (3) discrete samples were collected from throughout the dredge sample (surface, interior). Samples were processed for analysis as

CITY_21MC100_003112916

NYC-WTC_000195867

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NYC-WTC_000195867Source: NYC Law Department, mirrored locally

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