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TitleActionFR DocPublishedAgencyAgency NameExcerptsAbstractHTMLPDF
TitleActionFR DocPublishedAgencyAgency NameExcerptsAbstractHTMLPDF
Significant New Use Rules on Certain Chemical SubstancesRule2017-2223910/19/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyEPA is promulgating significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 29 chemical substances which were the subject of premanufacture notices (PMNs). The chemical substances are subject to consent o … EPA is promulgating significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 29 chemical substances which were the subject of premanufacture notices (PMNs). The chemical substances are subject to consent orders issued by EPA pursuant to section 5(e) of TSCA. This action requires persons who intend to manufacture (defined by statute to include import) or process any of these 29 chemical substances for an activity that is designated as a significant new use by this rule to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the intended use within the applicable review period. Persons may not commence manufacture or processing for the significant new use until EPA has conducted a review of the notice, made an appropriate determination on the notice, and has taken such actions as are required with that determination.significant-new-use-rules-on-certain-chemical-substancesFR-Doc-2017-22239
Significant New Use Rule on Certain Chemical SubstancesRule2017-2123710/03/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyEPA is finalizing a significant new use rule (SNUR) under section 5(a)(2) of the Toxic Substances Control Act (TSCA) for the chemical substance identified generically as bimodal mixture consisting of multi-walled carbon nanotubes a … EPA is finalizing a significant new use rule (SNUR) under section 5(a)(2) of the Toxic Substances Control Act (TSCA) for the chemical substance identified generically as bimodal mixture consisting of multi-walled carbon nanotubes and other classes of carbon nanotubes, which was the subject of premanufacture notice (PMN) P-11-482. This action requires persons who intend to manufacture (defined by statute to include import) or process the chemical substance for a use that is designated as a significant new use by this final rule to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the intended use within the applicable review period. Manufacture and processing for the significant new use is unable to commence until EPA has conducted a review of the notice, made an appropriate determination on the notice, and take such actions as are required with that determination. The required notification would provide EPA with the opportunity to evaluate the intended use and, if necessary, to prohibit or limit that activity before it occurs.significant-new-use-rule-on-certain-chemical-substancesFR-Doc-2017-21237
Protection of Stratospheric Ozone: Refrigerant Management Regulations for Small Cans of Motor Vehicle RefrigerantRule2017-2084009/28/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyEPA is taking direct final action to correct an editing oversight that led to a potential conflict in a prior rulemaking as to whether or not containers holding two pounds or less of non-exempt substitute refrigerants for use i … EPA is taking direct final action to correct an editing oversight that led to a potential conflict in a prior rulemaking as to whether or not containers holding two pounds or less of non-exempt substitute refrigerants for use in motor vehicle air conditioning that are not equipped with a self-sealing valve can be sold to persons that are not certified technicians, provided those small cans were manufactured or imported prior to January 1, 2018. This action clarifies that those small cans may continue to be sold to persons that are not certified as technicians under sections 608 or 609 of the Clean Air Act.protection-of-stratospheric-ozone-refrigerant-management-regulations-for-small-cans-of-motor-vehicleFR-Doc-2017-20840
Protection of Stratospheric Ozone: Refrigerant Management Regulations for Small Cans of Motor Vehicle RefrigerantProposed Rule2017-2083809/28/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyEPA is proposing this action to correct an editing oversight that lead to a potential conflict in a prior rulemaking as to whether or not containers holding two pounds or less of non-exempt substitute refrigerants for use in motor vehi … EPA is proposing this action to correct an editing oversight that lead to a potential conflict in a prior rulemaking as to whether or not containers holding two pounds or less of non-exempt substitute refrigerants for use in motor vehicle air conditioning that are not equipped with a self-sealing valve can be sold to persons that are not certified technicians, provided those small cans were manufactured or imported prior to January 1, 2018. This action clarifies that those small cans may continue to be sold to persons that are not certified as technicians under sections 608 or 609 of the Clean Air Act. In the ``Rules and Regulations'' section of this Federal Register, EPA is publishing this action as a direct final rule without a prior proposed rule. If we receive no adverse comment, we will not take further action on this proposed rule.protection-of-stratospheric-ozone-refrigerant-management-regulations-for-small-cans-of-motor-vehicleFR-Doc-2017-20838
National Oil and Hazardous Substance Pollution Contingency Plan; National Priorities List: Deletion of the Nutting Truck & Caster Co. Superfund SiteRule2017-2034809/25/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 5 is publishing a direct final Notice of Deletion of the Nutting Truck & Caster Co. Superfund Site (Site), located in Faribault, Rice County, Minnesota from the National Priorities L … The Environmental Protection Agency (EPA) Region 5 is publishing a direct final Notice of Deletion of the Nutting Truck & Caster Co. Superfund Site (Site), located in Faribault, Rice County, Minnesota from the National Priorities List (NPL). The NPL, promulgated pursuant to Section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This direct final deletion is being published by EPA with the concurrence of the State of Minnesota, through the Minnesota Pollution Control Agency (MPCA), because EPA has determined that all appropriate response actions under CERCLA have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substance-pollution-contingency-plan-national-priorities-list-deletion-ofFR-Doc-2017-20348
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Vancouver Water Station #4 Superfund SiteProposed Rule2017-2044809/25/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 10 is issuing a Notice of Intent to Delete the Vancouver Water Station #4 Contamination Superfund Site (Site) located in Vancouver, Washington, from the National Priorities List (NPL) … The Environmental Protection Agency (EPA) Region 10 is issuing a Notice of Intent to Delete the Vancouver Water Station #4 Contamination Superfund Site (Site) located in Vancouver, Washington, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The EPA and the State of Washington, through the Department of Ecology have determined that all appropriate response actions under CERCLA, have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-deletionFR-Doc-2017-20448
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Nutting Truck & Caster Co. Superfund SiteProposed Rule2017-2034609/25/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 5 is issuing a Notice of Intent to Delete the Nutting Truck & Caster Co. Superfund Site (Site) located in Faribault, Minnesota, from the National Priorities List (NPL) and requests publ … The Environmental Protection Agency (EPA) Region 5 is issuing a Notice of Intent to Delete the Nutting Truck & Caster Co. Superfund Site (Site) located in Faribault, Minnesota, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL, promulgated pursuant to Section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The EPA and the State of Minnesota, through the Minnesota Pollution Control Agency, have determined that all appropriate response actions under CERCLA have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-deletionFR-Doc-2017-20346
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Vancouver Water Station #1 Superfund SiteProposed Rule2017-2044909/25/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 10 is issuing a Notice of Intent to Delete the Vancouver Water Station #1 Contamination Superfund Site (Site) located in Vancouver, Washington, from the National Priorities List (NPL) … The Environmental Protection Agency (EPA) Region 10 is issuing a Notice of Intent to Delete the Vancouver Water Station #1 Contamination Superfund Site (Site) located in Vancouver, Washington, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The EPA and the State of Washington, through the Department of Ecology have determined that all appropriate response actions under CERCLA, have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-deletionFR-Doc-2017-20449
Significant New Use Rules on Certain Chemical SubstancesRule2017-2015809/21/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyEPA is promulgating significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 37 chemical substances which were the subject of premanufacture notices (PMNs). The applicable review periods for the PMNs sub … EPA is promulgating significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for 37 chemical substances which were the subject of premanufacture notices (PMNs). The applicable review periods for the PMNs submitted for these 37 chemical substances all ended prior to June 22, 2016 (i.e., the date on which President Obama signed into law the Frank R. Lautenberg Chemical Safety for the 21st Century Act which amends TSCA). Six of these chemical substances are subject to TSCA section 5(e) consent orders issued by EPA. This action requires persons who intend to manufacture (defined by statute to include import) or process any of these 37 chemical substances for an activity that is designated as a significant new use by this rule to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the intended use within the applicable review period. Manufacture and processing for the significant new use is unable to commence until EPA has conducted a review of the notice, made an appropriate determination on the notice, and take such actions as are required with that determination.significant-new-use-rules-on-certain-chemical-substancesFR-Doc-2017-20158
TSCA Inventory Notification (Active-Inactive) RequirementsRule2017-1573608/11/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe 2016 amendments to the Toxic Substances Control Act (TSCA) require EPA to designate chemical substances on the TSCA Chemical Substance Inventory as either ``active'' or ``inactive'' in U.S. commerce. To accomplish that, EP … The 2016 amendments to the Toxic Substances Control Act (TSCA) require EPA to designate chemical substances on the TSCA Chemical Substance Inventory as either ``active'' or ``inactive'' in U.S. commerce. To accomplish that, EPA is establishing a retrospective electronic notification of chemical substances on the TSCA Inventory that were manufactured (including imported) for nonexempt commercial purposes during the 10- year time period ending on June 21, 2016, with provision to also allow notification by processors. EPA will use these notifications to distinguish active substances from inactive substances. EPA will include the active and inactive designations on the TSCA Inventory and as part of its regular publications of the Inventory. EPA is also establishing procedures for forward-looking electronic notification of chemical substances on the TSCA Inventory that are designated as inactive, if and when the manufacturing or processing of such chemical substances for nonexempt commercial purposes is expected to resume. On receiving forward-looking notification, EPA will change the designation of the pertinent chemical substance on the TSCA Inventory from inactive to active. EPA is establishing the procedures regarding the manner in which such retrospective and forward-looking activity notifications must be submitted, the details of the notification requirements, exemptions from such requirements, and procedures for handling claims of confidentiality.tsca-inventory-notification-active-inactive-requirementsFR-Doc-2017-15736
National Priorities ListRule2017-1617208/03/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of … The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants or contaminants throughout the United States. The National Priorities List (``NPL'') constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency (``the EPA'' or ``the agency'') in determining which sites warrant further investigation. These further investigations will allow the EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-financed remedial action(s), if any, may be appropriate. This rule adds seven sites to the General Superfund section of the NPL.national-priorities-listFR-Doc-2017-16172
National Priorities ListProposed Rule2017-1617108/03/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Comprehensive Environmental Response, Compensation, and Liability Act (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national … The Comprehensive Environmental Response, Compensation, and Liability Act (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants or contaminants throughout the United States. The National Priorities List (``NPL'') constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency (``EPA'' or ``the agency'') in determining which sites warrant further investigation. These further investigations will allow the EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-financed remedial action(s), if any, may be appropriate. This rule proposes to add four sites to the General Superfund section of the NPL and withdraws a previous proposal to list one site on the NPL.national-priorities-listFR-Doc-2017-16171
Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling ProceduresRule2017-1538007/27/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThis action announces the U.S. Environmental Protection Agency's (EPA's) approval of alternative testing methods for use in measuring the levels of contaminants in drinking water and determining compliance with national primary drinkin … This action announces the U.S. Environmental Protection Agency's (EPA's) approval of alternative testing methods for use in measuring the levels of contaminants in drinking water and determining compliance with national primary drinking water regulations. The Safe Drinking Water Act authorizes EPA to approve the use of alternative testing methods through publication in the Federal Register. EPA is using this streamlined authority to make 17 additional methods available for analyzing drinking water samples. This expedited approach provides public water systems, laboratories, and primacy agencies with more timely access to new measurement techniques and greater flexibility in the selection of analytical methods, thereby reducing monitoring costs while maintaining public health protection.expedited-approval-of-alternative-test-procedures-for-the-analysis-of-contaminants-under-the-safeFR-Doc-2017-15380
Procedures for Chemical Risk Evaluation Under the Amended Toxic Substances Control ActRule2017-1433707/20/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyAs required under section 6(b)(4) of the Toxic Substances Control Act (TSCA), EPA is issuing a rule that establishes a process for conducting risk evaluations to determine whether a chemical substance presents an unreasonable risk of … As required under section 6(b)(4) of the Toxic Substances Control Act (TSCA), EPA is issuing a rule that establishes a process for conducting risk evaluations to determine whether a chemical substance presents an unreasonable risk of injury to health or the environment, without consideration of costs or other non-risk factors, including an unreasonable risk to a potentially exposed or susceptible subpopulation, under the conditions of use. This process incorporates the science requirements of the amended statute, including best available science and weight of the scientific evidence. Risk evaluation is the second step, after Prioritization, in a new process of existing chemical substance review and management established under recent amendments to TSCA. This rule identifies the steps of a risk evaluation process including: scope, hazard assessment, exposure assessment, risk characterization, and finally a risk determination. This process will be used for the first ten chemical substances undergoing evaluation from the 2014 update of the TSCA Work Plan for Chemical Assessments (to the maximum extent practicable). Chemical substances designated as High-Priority Substances during the prioritization process and those chemical substances for which EPA has initiated a risk evaluation in response to a manufacturer request, will always be subject to this process. The final rule also includes the required ``form and criteria'' applicable to such manufacturer requests.procedures-for-chemical-risk-evaluation-under-the-amended-toxic-substances-control-actFR-Doc-2017-14337
Procedures for Prioritization of Chemicals for Risk Evaluation Under the Toxic Substances Control ActRule2017-1432507/20/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyAs required under section 6(b)(1) of the Toxic Substances Control Act (TSCA), EPA is issuing a final rule that establishes the process and criteria that EPA will use to identify chemical substances as either High-Priority Substances f … As required under section 6(b)(1) of the Toxic Substances Control Act (TSCA), EPA is issuing a final rule that establishes the process and criteria that EPA will use to identify chemical substances as either High-Priority Substances for risk evaluation, or Low-Priority Substances for which risk evaluations are not warranted at the time. The final rule describes the processes for formally initiating the prioritization process on a selected candidate, providing opportunities for public comment, screening the candidate against certain criteria, and proposing and finalizing designations of priority. Prioritization is the initial step in a new process of existing chemical substance review and risk management activity established under TSCA.procedures-for-prioritization-of-chemicals-for-risk-evaluation-under-the-toxic-substances-controlFR-Doc-2017-14325
Address and Agency Name Changes for Region 4 State and Local Agencies; Technical CorrectionRule2017-1474607/17/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) is correcting the addresses and agencies names for EPA Region 4 State and local agencies in EPA regulations. The jurisdiction of EPA Region 4 includes the States of Alabama, Florida, Georgia, K … The Environmental Protection Agency (EPA) is correcting the addresses and agencies names for EPA Region 4 State and local agencies in EPA regulations. The jurisdiction of EPA Region 4 includes the States of Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina and Tennessee. Certain EPA air pollution control regulations require submittal of notifications, reports and other documents to the appropriate authorized State or local agency. This technical amendment updates and corrects agency names and the addresses for submitting such information to the EPA Region 4 State and local agency offices.address-and-agency-name-changes-for-region-4-state-and-local-agencies-technical-correctionFR-Doc-2017-14746
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Ellisville Superfund SiteRule2017-1483107/17/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 7 announces the deletion of the Callahan property, Operable Unit 3(OU3) (Parcel ID 22U220242) of the Ellisville Superfund Site (Site) located in Wildwood, Missouri (E\\1/2\\, NW\\1/4\\, SE\\1/ … The Environmental Protection Agency (EPA) Region 7 announces the deletion of the Callahan property, Operable Unit 3(OU3) (Parcel ID 22U220242) of the Ellisville Superfund Site (Site) located in Wildwood, Missouri (E\\1/2\\, NW\\1/4\\, SE\\1/4\\, S31, T45N, R04E), from the National Priorities List (NPL). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This partial deletion pertains to all media (soil and groundwater) of the Callahan property, (OU3) Subsite. The Bliss (OU2) and Rosalie (OU1) operable units will remain on the NPL and are not being considered for deletion as part of this action. The EPA and the State of Missouri, through the Missouri Department of Natural Resources, have determined that all appropriate response actions under CERCLA, have been completed. However, the deletion of this parcel does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-partialFR-Doc-2017-14831
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Shpack Landfill Superfund SiteRule2017-1411207/06/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 1 is publishing a direct final Notice of Deletion of the Shpack Landfill Superfund Site (Site), located on Union Rd. and Peckham Streets in Norton and Attleboro, Massachusetts, from the … The Environmental Protection Agency (EPA) Region 1 is publishing a direct final Notice of Deletion of the Shpack Landfill Superfund Site (Site), located on Union Rd. and Peckham Streets in Norton and Attleboro, Massachusetts, from the National Priorities List (NPL). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This direct final deletion is being published by EPA with the concurrence of the State of Massachusetts, through the Massachusetts Department of Environmental Protection (MassDEP), because EPA has determined that all appropriate response actions under CERCLA, other than operation, maintenance, monitoring, and five-year reviews, have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-deletionFR-Doc-2017-14112
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Deletion of the Shpack Landfill Superfund SiteProposed Rule2017-1411307/06/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 1 is issuing a Notice of Intent to Delete the Shpack Landfill Superfund Site (Site) located on Union Rd. and Peckham Streets in Norton and Attleboro, Massachusetts, from the National Pr … The Environmental Protection Agency (EPA) Region 1 is issuing a Notice of Intent to Delete the Shpack Landfill Superfund Site (Site) located on Union Rd. and Peckham Streets in Norton and Attleboro, Massachusetts, from the National Priorities List (NPL) and requests public comments on this proposed action. The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The EPA and the State of Massachusetts, through the Massachusetts Department of Environmental Protection (MassDEP), have determined that all appropriate response actions under CERCLA, other than operation, maintenance, monitoring, and five-year reviews, have been completed. However, this deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-deletionFR-Doc-2017-14113
National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Mystery Bridge Road/U.S. Highway 20 Superfund SiteRule2017-1367806/30/2017ENVIRONMENTAL PROTECTION AGENCYEnvironmental Protection AgencyThe Environmental Protection Agency (EPA) Region 8 is publishing a direct final notice of Partial Deletion of the property currently owned by Tallgrass Energy Partners, LP, (formerly owned by KM Upstream LLC and hereinafter referred t … The Environmental Protection Agency (EPA) Region 8 is publishing a direct final notice of Partial Deletion of the property currently owned by Tallgrass Energy Partners, LP, (formerly owned by KM Upstream LLC and hereinafter referred to as the former KMI Property), on the Mystery Bridge Road/U.S. Highway 20 Site (Site) from the National Priorities List (NPL). The Site is located in Natrona County, northeast of Casper, Wyoming. The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is an appendix of the National Oil and Hazardous Substances Pollution and Contingency Plan (NCP). This direct final partial deletion is being published by EPA with the concurrence of the State of Wyoming through the Wyoming Department of Environmental Quality (WDEQ) because EPA has determined that all appropriate response actions under CERCLA, other than maintenance of institutional controls and five-year reviews, have been completed for the former KMI source area and the resultant groundwater contamination. However, this deletion does not preclude future actions under Superfund. This partial deletion pertains to the former KMI Property. EPA is proposing to delete the entire former KMI Property from the NPL, including the groundwater (OU1) and the soil/former source area (OU2). The remaining areas and media of the Site for both OU1 and OU2 containing the volatile halogenated organic chemicals (VHOs) source soils and plume, which are attributable to the Dow Chemical Company/ Dowell Schlumberger, Inc. (DOW/DSI) facility, will remain on the NPL and are not being considered for deletion as part of this action. However, this partial deletion does not preclude future actions under Superfund.national-oil-and-hazardous-substances-pollution-contingency-plan-national-priorities-list-partialFR-Doc-2017-13678
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