Contaminant |
State |
Services |
Lead |
MN |
Provided reagents to reduce TCLP-lead concentrations in soil at a skeet firing range. |
Lead |
IL |
Performed a treatability study to evaluate multiple reagents for TCLP-lead reduction at a shooting range with and without removal of shot. |
Lead |
MD |
Turnkey implementation of remedy to reduce leachable lead concentrations. Soil remained in place after treatment. Treatability study determined appropriate chemistry and remedy design for site soil prior to mobilization. |
Arsenic |
MN |
Performed a treatability study to evaluate multiple reagents for arsenic reduction in both the TCLP and SPLP at a former pesticide manufacturing facility. |
Arsenic |
NJ |
Performed a treatability study to evaluate multiple reagents for arsenic reduction in both the TCLP and SPLP at a former fertilizer manufacturing facility. |
Arsenic and Lead |
SC |
Provided treatability study services and implementation support to render arsenic and lead non-hazardous. Reagents were added in situ, and performance was measured on-site. |
Antimony |
TX |
Evaluated reuse options of slag material during a treatability study. |
Chromium |
IN |
Provided treatability study, remedy design, and implementation of hexavalent chromium stabilization in soil and groundwater. |
Zinc |
DE |
Provided treatability study, remedial design, and implementation support for installation of a permeable reactive barrier to reduce zinc concentrations in order to achieve surface water discharge criteria. |
Multiple Metals |
NJ |
Provided treatability study at bench and pilot scale, and remedial design support for a permeable reactive barrier to reduce groundwater concentrations below site-specific discharge limits. Metals included: Antimony, Arsenic, Cadmium, Copper, Lead, Nickel, Selenium, and Zinc. |
Petroleum hydrocarbons |
NY |
Assumed liability for closure of two gas station facilities. Completed remedial design and implemented a remedial action plan. Achieved site closure. |
Chlorinated Ethenes |
WI |
Evaluated in situ chemical oxidation and biological reduction of chlorinated ethenes in bench and pilot treatability studies. |
TCE |
WI |
Provided remedial design and implementation support for chemical oxidation of TCE in soil. |
Lead, Ethyl Benzene, Naphthalene, Xylenes |
TN |
Provided treatability study, remedial design, and implementation support for metals stabilization and destruction of organic contaminants. Waste included clay soil, glass, and paint waste from multiple manufacturing operations. |
Lead, TCE, PCE |
IL |
Provided treatability study, remedial design, and implementation support of a 2-step treatment process to stabilize lead and oxidize TCE and PCE. Material was disposed as a non-hazardous TSCA waste due to the presence of PCBs. |
Manganese |
PA |
Evaluated a variety of reagents in a treatability study to reduce manganese concentrations in baghouse dust. |
Lead |
MD |
Evaluated reductions in leachable lead concentrations in manhole sludges during a treatability study. |
Chromium and PCP |
WI |
Completed treatability study and provided design support for reductions of hexavalent chromium and PCP concentrations. |
TCE |
IN |
Provided pilot testing, remedial design, and turnkey remediation by chemical oxidation of a large TCE plume beneath an existing manufacturing operation. Also provided turnkey installation of a biologically active permeable reactive barrier to address off-site migration. |
Mercury |
MI |
Provided treatability study services to evaluate multiple technologies for reduction of leachable mercury concentrations. |
Mercury |
NJ |
Provided treatability study services to evaluate multiple technologies for reduction of leachable mercury concentrations. Technology required a treatment level in the part per trillion range. |
Cobalt |
NC |
Provided treatability study and remedial design support for reduction of cobalt concentrations in soil and groundwater. |
Chromium |
IN |
Performed a treatability study to determine an appropriate remedy for reductions of hexavalent chromium. Implementation support provided to site investigation by measuring hexavalent chromium in the field to define the extent of contamination. Completed remedial design for inclusion in Remediation Work Plan. |
BTEX |
MI |
Evaluated remediation technologies to reduce BTEX concentrations during a treatability study. |
PCP |
MI |
Evaluated remediation technologies to reduce PCP concentrations during a treatability study. Remedial design support was also provided. |
Lead |
PA |
Evaluated reductions in leachable lead concentrations in manhole sludges during a treatability study. |
Lead |
AZ |
Evaluated remediation technologies in a treatability study to reduce TCLP-lead concentrations in soil at an active shooting range. |
Arsenic and Lead |
PA |
Evaluated remediation technologies in a treatability study to reduce TCLP and SPLP lead and arsenic concentrations in soil at a shooting range. |
Lead |
PA |
Provided implementation support to screen lead concentrations during an active remediation. |
TCE |
KS |
Performed remedial design and workplan preparation for remediation of a solvent plume. |
Chlorinated ethenes |
TX |
Provided remedial design support for remediation of a solvent plume. |
Lead |
IN |
Performed a treatability study to evaluate remedial options for TCLP-lead reductions in a large waste pile with various materials and lime waste. |
Lead |
TN |
Provided treatability study, remedial design, and implementation support for remediation of lead at a military firing range. |
Petroleum hydrocarbons |
MI |
Provided treatability study and remedial design support for activated sodium persulfate injections in a residential neighborhood. |
Lead |
IL |
Provided treatability study and remedial design assistance for remediation of lead at a former manufacturing facility. |
Vinyl Chloride |
NC |
Evaluated vinyl chloride reductions using potassium permanganate during a treatability study. |
Mixed waste |
OK |
Provided remedial design support for management of radioactive mixed waste. |
Selenium |
MI |
Completed treatability study and evaluated multiple remediation technologies for the reduction of Selenium. |
Multiple metals |
MI |
Performed treatability study and remedial design services to satisfy leaching delisting limits for multiple heavy metals in K061. |
Cadmium |
FL |
Demonstrated reductions in TCLP-cadmium concentrations in soil at a former manufacturing facility during a treatability study. |
Lead |
FL |
Performed treatability study testing and in-field implementation support for remediation of lead in firing range soil. |
Arsenic, Cadmium, and Lead |
|
Performed treatability study evaluations to reduce leachable concentrations of multiple metals at a former ceramic manufacturing facility. |
Petroleum hydrocarbons |
IL |
Provided remedial design support for treatment system and monitoring. |
Arsenic, Cadmium, and Lead |
MN |
Performed treatability study testing to reduce TCLP lead concentrations for a large site impacted with slag. |
Arsenic |
FL |
Provided treatability study and remedial design support to reduce TCLP and SPLP arsenic concentrations to below site remediation goals. |
Petroleum hydrocarbons |
PA |
Provided treatability study, remedial design, and implementation support for application of activated persulfate at a gas station facility. |
Lead |
FL |
Performed treatability study testing to reduce lead concentrations in groundwater. |
Chromium, copper, nickel and zinc |
NY |
Performed treatability study testing to reduce multiple metals concentrations subjected to an SPLP for in situ stabilization. |
Arsenic and lead |
NY |
Performed treatability study testing to reduce arsenic and lead concentrations in soil. |
Cadmium and lead |
NC |
Performed treatability study testing to reduce cadmium and lead concentrations for in situ stabilization. |
Cadmium, lead, zinc |
GA |
Performed treatability study testing to reduce multiple metals concentrations for in situ stabilization. |
Arsenic |
FL |
Evaluated multiple reagents in a column test as part of a treatability study to evaluate remedial options. |
Lead |
SC |
Provided treatability study, remedial design, and implementation support of a large lead remediation project. |
Arsenic and lead |
MA |
Performed treatability study and pilot test evaluations of remediation chemistries to reduce arsenic and lead concentrations in soil and groundwater. |
Petroleum Hydrocarbons |
IA |
Completed treatability studies for BTEX oxidation. |