Newark Bay Study - Passaic River Public Digital Library

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• Establish the magnitudes and relative importance of specific contaminant transfers within the Newark Bay study area, including: − Import and export of COPCs and COPECs between Newark Bay and the Passaic and Hackensack rivers, to the North, − Loads from tributaries and other point and nonpoint sources adjacent to the Bay, − Re-mobilization of deposited contaminants or removal from the water column by settling of particle-bound COPCs and COPECs within the Bay itself, − Import and export of COPCs and COPECs between Newark Bay and other hydraulically connected waterways at the Southern end of Newark Bay (i.e., the Arthur Kill and Kill van Kull). • Provide management guidance for the adverse ecological and human health effects of the transport and ultimate fate of COPCs and COPECs within the system. • Assess the effectiveness of alternative remedial actions that may be implemented in Newark Bay proper, in the 17-mile tidal reach of the Passaic River and elsewhere in the model domain, during both the remediation and post-remediation periods. • Assess sediment quality and contaminant levels that will result from a reduction or elimination of sources of COPCs and COPECs to the system, as well as the time frame for improvement under various remedial action alternatives. The modeling portion of the Newark Bay study area will overlap with that used for the Lower Passaic River Restoration Project and will consider the Passaic River, as well as the Hackensack River, Newark Bay and other tributaries. This Passaic River - Newark Bay model will also consider the interaction of this system with the contiguous waters of the Kill van Kull, the Arthur Kill, the Hudson River and greater NYNJ Harbor system. It is necessary to do so to ensure that the far-field boundary conditions do not artificially influence the transport and distribution of COPCs and COPECs within the Newark Bay model domain. Additionally, material that is transported out of the Newark Bay, should a major storm event occur in the future, could potentially have an adverse impact on more distant regions, and it will therefore be necessary to have the capability to quantify the potential significance of such impacts should a major storm event occur at various points in time. Although the preceding macro-scale transport processes will be explicitly considered in the context of the Passaic River – Newark Bay model investigations, there remain additional areas within Newark Bay where it may be desirable to represent the system with a still higher level of detail. Hence, it is envisioned that the model grid representing Newark Bay will incorporate a finer level of resolution in some localized areas, beyond what would have been required for a model of the overall system that focused on the lower Passaic River alone. Currently the plan for the Newark Bay Study Area is to develop a single integrated model for both water bodies. This approach is preferable with respect to ease of use and performing management remediation scenarios. 1-5
Page 3 and 4: Newark Bay Study Final Modeling Wor
Page 5 and 6: FIGURES Figure Page Figure 1-1. New
Page 7 and 8: SECTION 1 1 INTRODUCTION 1.1 OVERVI
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Page 19 and 20: 1.4.2.1 A Macro-Scale Solids Balanc
Page 21 and 22: the peaks in flow, thereby limiting
Page 23 and 24: Figure 1-4. Bathymetry and Sediment
Page 25 and 26: Figure 1-5. Sampling locations with
Page 27 and 28: Table 1-2. Extent of historical dat
Page 29 and 30: 1-23 an exhaustive data analysis ha
Page 31 and 32: PCBs (ng/g) PCBs (ng/g) PCBs (ng/g)
Page 33 and 34: depositional/erosional patterns in
Page 35 and 36: TCDD (ng/g) TCDD (ng/g) TCDD (ng/g)
Page 37 and 38: TCDD (ng/g) 0.2 0.16 0.12 0.08 0.04
Page 39 and 40: 1-33 locations indicate that OCDD i
Page 41 and 42: tPAHs (ng/g) tPAHs (ng/g) tPAHs (ng
Page 43 and 44: 1-37 and RM6, there seems to be an
Page 45 and 46: Depth (ft) Depth (ft) 0 2 4 6 8 10
Page 47 and 48: Chromium (ng/g) Chromium (ng/g) Chr
Page 49 and 50: 1-43 westerly section of the Kill v
Page 51 and 52: Arsenic (ng/g) Arsenic (ng/g) Arsen
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