SR2400516 - Laserfiche WebLink

Home Browse Search

Table 6:Technology Screening ceosyntee Consultants Rough and Ready Island,Site 47 Port of Stockton Effectiveness and Permanence Implementability Overall Protection of Human Health Compliance with Reduction of Toxicity,Mobility,or Screening Technology Description of Technology and the Environment ARARs Volume Through Treatment Relative Cost Outcome g Short-Term Long-Term Advantages Disadvantages No Action None 1)Not protective of human health; N/A 1)No reduction in the toxicity, 1)RAOs will not be met. 1)Ineffective in isolating,removing,or destroying N/A 1)No reduction in toxicity,mobility,or however,exposure is limited if Site 47 mobility,or volume of COCs/COECs COCs/COECs. volume of COCs/COECs achieved. remains unoccupied. through treatment. Retained 2)Ineffective at limiting exposure risk None for baseline for ecological receptors at Site 47;not comparison. protective for the environment. Engineering Controls Fencing Install fencing around the 1)Protective of human health if 1)Most action-specific 1)No reduction in the toxicity, 1)Somewhat protective of the community 1)Ineffective in isolating,removing,or destroying 1)Easy to construct with readily 1)No reduction in toxicity,mobility,or entire Site 47 boundary to implemented with other technologies to ARARs do not apply to mobility,or volume of COCs/COECs by preventing exposure to Site 47 COCs/COECs. available materials. volume of COCs/COECs achieved. Retained limit access and exposure to limit access,exposure,and protect the this technology. through treatment. COCs/COECs.Worker protection to be 2)Partially reduces risk by limiting public's exposure to Site 2)Access and direct exposure to 2)May constrain future redevelopment. for further receptors. remedial action. implemented via-health and safety 47 COCs/COECs. Site 47 limited after installation. evaluation in 2)Ineffective at limiting exposure risk controls. 3)RAOs will not be met because exposure to ecological 3)Fencing can be implemented Low combination for ecological receptors at Site 47;not 2)RAOs will not be met because receptors would not be limited. with other technologies to limit with other protective for the environment. exposure to ecological receptors would not access,exposure,and protect the remedial be limited. remedial action. technologies. Ah Institutional Controls Land use Deed restriction preventing 1)May be protective of human health Requires compliance 1)No reduction in the toxicity, 1)Protective of the community and 1)Ineffective in isolating,removing,or destroying 1)Easy to implement via 1)No reduction in toxicity,mobility,or restrictions specific future uses of Site 47 when combined with other with State requirements mobility,or volume of COCs/COECs workers when combined with other COCs/COECs. coordination with Agencies. volume of COCs/COECs achieved. as well as disturbance/use of technologies. related to land use through treatment. technologies. 2)Reduces residual risk when combined with other 2)Can be implemented together Retained soil and groundwater at Site 2)Not protective for the environment. restrictions. 2)RAOs met only if implemented in technologies following source remediation. with other technologies. for further 47. combination with other technologies. 3)May eliminate exposure pathway for human health risk. evaluation in 4)Remains in place for as long as COC/COEC Low combination concentrations pose a risk to humans and wildlife. with other remedial technologies. Removal Excavation/ Physically remove soils that 1)Protective of human health and the7ARAR pliant with chemical 1)No reduction in the toxicity, 1)Requires health and safety controls 1)Effective at permanently removing COC/COEC- 1)Proven technology that can be 1)Wide distribution of COCs/COECs Off-Site exceed preliminary environment for COCs/COECs throughific,action-specific, mobility,or volume of COCs/COECs during excavation and transport of impacted soil. implemented using standard in Site 47 soils will likely require an Disposal remediation goals.Transport physical removal of impacted soil. location-specific through treatment. excavated material to project workers. 2)Requires maintenance and monitoring of clean backfill equipment and vendors. excavation footprint covering the Retained removed material to permitted 2)Potential for impacts to human healtS. 2)Potential impacts(noise,traffic,dust)to (if COCs/COECs remain at depth)to maintain 2)Easy to monitor remedy majority of Site 47. for further off-Site location for treatment and/or the environment during community related to off-site protectiveness. effectiveness via confirmation 2)Significant energy and resource evaluation in and disposal.Backfill construction and implementation transportation of waste. 3)Requires land use restrictions and soil management plan sampling. requirements during implementation High combination excavated footprint with clean associated with excavation, for long-term effectiveness and permanence. 3)Easy to monitor and maintain associated with the operation of heavy with other borrow soil. transportation,and disposal of soil. soil cover through periodic equipment. remedial inspections. 3)Significant air monitoring and technologies. abatement measures may be required. Excavation/ Excavate soils and 1)Protective as it minimizes human Compliant with chemical 1)No reduction in the toxicity, 1) Protection of community and workers 1)Demonstrated effectiveness in isolating COCs/COECs 1)Proven technology that is 1)Wide distribution of COCs/COECs On-Site consolidate excavated contact with COCs/COECs in soil that specific,action-specific, mobility,or volume of COCs/COECs to be implemented via health and safety from potential receptors resulting in a reduction of residual readily implemented using in Site 47 soils will require large Consolidation material on-site on top of an will remain in-place at Site 47. and location-specific through treatment. controls during treatment. risk. standard equipment and vendors. excavation footprint and management undisturbed area.Cover the 2)Protective of the environment ARARs. 2)Requires precautions during excavation 2)Requires maintenance and monitoring of erosion of soil 2)Less disturbance of of large soil volumes. consolidated area(described because cover reduces exposure of and transport of excavated material to cover and the protective cover to maintain protectiveness. COC/COEC-impacted soil 2)Significant energy and resource below),and backfill the ecological receptors to shallow soil at consolidation areas. 3)Requires land use restrictions and soil management plan relative to excavation of the full requirements during implementation Retained excavated footprint with clean Site 47. 3)RAOs will be met following placement for long-term effectiveness and permanence. Site 47 area. associated with the operation of heavy for further borrow soil.Site 47 is 3)Potential for impacts to human health of the cover. 3)Easy to monitor and maintain equipment. evaluation in generally flat,so the or the environment during construction through periodic inspections. 3)Significant air monitoring and Moderate combination consolidated area would have and implementation associated with abatement measures may be required. with other a higher elevation than the excavation and transportation of soils 4)Requires grading permit and may remedial excavated footprint and any (see assessment of Short-term require skilled labor(e.g.,strict technologies. undisturbed areas that remain. Effectiveness). construction QA/QC)for cap installation,depending on selected design. Page 1 of 3