Epa rml Environmental Protection Agency’s Office of Land and Emergency Management (OLEM) released the “Updated Residential Soil Lead Guidance for CERCLA Sites and RCRA Corrective Action Facilities” (U. On January 17, 2024, the U. Buried crushed battery casings were discovered at the Site during a sewer lateral repair in the front yard of 35 Birchly Court in West Deptford, New Jersey on November 19,. EP-S5-13-01, Technical Direction Document (TDD) No. BOLD Analyte detected above the EPA RSL November 2023 (TR=10-6 and THQ=1. Environmental Protection Agency (EPA) released new guidance that lowered its recommended regional screening level (RSL) and removal management level (RML) and strengthened guidance for investigating and cleaning up lead-contaminated soil in residential areas at Comprehensive Environmental Response, Compensation, and Liability EPA collected a total of 408 composite soil samples, including field duplicates, from 69 sampling locations on 33 properties throughout the sampling area. Dec 14, 2020 · Regional Screening Level RSL user guide provides extensive guidance for risk assessors doing Chemical Risk Assessment preliminary remediation goal PRG risk based Dec 4, 2024 · Part 68, the risk management program rule, covers you if you are the owner or operator of a stationary source (facility), that has more than a threshold quantity, of a regulated toxic or flammable substance(e. 2 This value is the default concentration derived using standard exposure and bioavailability values. 14 of the user's guide. Overall A. The Regional Removal Management Levels (RMLs) are chemical-specific concentrations for individual contaminants in tap water and soil that may be used to support the decision for EPA to undertake a removal action. PCB - Polychlorinated biphenyl EPA RML (HQ=3) - U. The removal response was initiated based on the exceedance of the site-specific background or RML. Sep 15, 2025 · The EPA's Vapor Intrusion Screening Level (VISL) Calculator User's Guide for Chemical Contaminants provides descriptions, equations, and default exposure parameters used to calculate the risk-based VISLs. Site activities included mobilizing Weston Solutions, Inc. In November 2022, while EPA was addressing contaminated soil at the five residential properties identified in the Action Memorandum, EPA and MassDEP conducted a fourth round of residential sampling to determine if any properties contained levels of PCBs and lead exceeding the EPA RML or MassDEP IH levels. Several assessments are included with the guidelines, models, databases, state-based RSL Tables, local contacts and framework documents used to perform these assessments. Sep 30, 2025 · For proper application of the RMLs and to ensure understanding of RML exposure scenarios, please review the methodology section below as well as the RMLs Frequent Questions page. Of the sampled properties north of East 25th Street, lead concentrations exceeding the EPA RML were identified in the “hot spot” historic dump area bounded by East 25th Street, East 27th Street, Manlove Avenue, and Caroline 1 On January 17, 2024, EPA released new guidance updating the RML for lead in residential soils: “Updated Residential Soil Lead Guidance for CERCLA Sites and RCRA Corrective Action Facilities,” which establishes an RML of 200 mg/kg, lowering it from the previous EPA residential RML of 400 mg/kg. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC) 07080101. Determine ifthere are concentrations oflead above the EPA Region 4 RML for Residential soils of 400 parts per million in particles less than 150 micrometers (μm) in diameter in uppermost 6 inches of soil at the Site. e 1). EPA updated its residential lead screening levels for soil. All exceedances of the antimony EPA RML of 94 mg/kg were from locations within the footprint of the former smelter, SS012 – SS014 and SS018 at intervals of 12 18 and 18 24 inches bgs. Environmental Protection Agency (EPA) released new guidance that lowered its recommended regional screening level (RSL) and removal management level (RML) and strengthened guidance for investigating and cleaning up lead-contaminated soil in residential areas at Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) sites and Resource The EPA's Vapor Intrusion Screening Level (VISL) Calculator User's Guide for Chemical Contaminants provides descriptions, equations, and default exposure parameters used to calculate the risk-based VISLs. EPA RML for Residential and/or Industrial Soils in one or more samples (see Appendix B, Table 2). Review data validation reports after receipt of final data packages from the laboratory. Zinc was detected in one soil sample above the 2012 EPA RML HQ 3 for residential soil of 23,000 mg/kg, with a concentration of 100,000 mg/kg. Concentrations of TCE exceeded the EPA RML in drinking w ter at one residence, identified as P031. Additionally, the soil analytical results for COPCs were compared to BTV calculated from the USGS geochemical soil database for Henry County, MO provided in the Sunbelt report. Mar 15, 2024 · On January 17, 2024, the US Environmental Protection Agency (US EPA) lowered the regional screening level (RSL) and regional removal management level (RML) for lead-contaminated soil in residential areas from 400 ppm to 200 ppm. operations with more than five kilns. EPA Composite Worker Air RML November 2023 HQ3 PDF In addition, PCE was not detected above the EPA RML for Residential Soil (EPA RML-Res) in any of the samples, but did exceed the VT DEC Residential Soil Standard (VT DEC-Res) in one sample (SS- 05) (see Appendix A, Figure 5, and Appendix B, Table 5A) [12]. RML HQ 3 Industrial = US EPA Region 1 Removal Management Level for HQ=3 Industrial Soil. 2015 (Figure 1). Jun 26, 2025 · Arsenic screening levels for ingestion of soil are now calculated with the default relative bioavailability factor (RBA) of 0. This tool provides screening level concentrations for groundwater, soil gas ( target sub-slab and near November 2024 To download the most recent Regional Screening Level tables, please go to the Generic Tables Soil analytical results for COPCs were compared to the EPA RML values for residential soil, where established. Simon: Tetra Tech, Inc. 0) BOLD Analyte detected above the EPA RML November 2023 (TR=10 and THQ=1. Analytical results were compared against the EPA Regional Removal Management Level (RML) of 400 mg/kg for residential soil with a target cancer risk (TCR) of 10-04and hazard quotient (HQ) of 3 (EPA 2021a, b). The analytical results indicated lead levels exceeded 400 milligram/kilogram (mg/kg), 1 the applicable EPA Removal Management Level (RML) at the time, in 291 of the 408 samples. , other federal agencies and state or local programs). The XRF results were compared to the EPA’s residential Removal Management Level (RML) based on a hazard quotient (HQ) of 3. The additional property exceeds the EPA Removal Management Level (RML) for lead and the Massachusetts Department of Environmental Protection (MassDEP) Site Specific Imminent Hazard (IH) levels for lead in soil. Furthermore, 187 samples from 80 properties sampled contained lead levels exceeding 1,000 mg/kg. RML INC PREMIER POWDER COATING EPA Registry Id: 110003178819 221 W 17TH OTTAWA, KS 66067-3833 This script opens a separate window for reporting data errors The facility locations displayed come from the FRS Spatial Jan 26, 2024 · On Jan. The residential RML for soil is 68 mg/kg. Concentrations of lead in subsurface soil samples collected the Little Italy Reference Area (6-18 and 6-24 inches bgs) ranged from 92 to 930 mg/kg. , ammonia or chlorine), in a process. Comparison of site concentrations to RMLs is only one factor used in determining the need for a removal action at a site. • for the American Creosote DeRidder Superfund Site, DeRidder, Beauregard Parish, Louisiana (the "Site"). May 26, 2016 · Please search this page for answers to your questions before contacting technical support staff. In 2015, IWM Consulting Group, on behalf of the Edna Martin Christian Center, conducted Phase I and II Environmental Site Assessments (ESAs) and determined that lead-impacted soil with concentrations above the EPA removal management level (RML) still existed in the north and central portions of the site. Under the Superfund Technical Assessment and Response Team (START) Contract No. 5 mg/kg for residential soil and 44 mg/kg for industrial soil). 17, 2024, the U. These values exceed the EPA Removal Management Level (RML) of 800 mg/kg for lead in industrial soil. § 9601 et seq . Aroclor-1254 was detected at concentrations greater than the EPA RML-R and RML-I values. Oct 20, 2025 · Guidance for investigation and remediation of lead in residential soil at Superfund sites and Resource Conservation and Recovery Act hazardous waste cleanup facilities Manganese exceeded the EPA RML of 5,500 mg/kg in 3 soil sample locations. For purposes of risk assessment. When evaluating residential sites with soil lead contamination,1 OLEM recommends: 1For the purpose of this guidance, a residential site with soil lead contamination (residential lead site) is defined as any areas where children have unrestricted access to lead contaminated soil which include, but are not limited to, properties containing single- and multi-family dwellings, apartment complexes May 20, 2022 · EPA uses RML’s to justify undertaking a removal action under CERCLA, or remediation of contaminated media, if proven to be necessary. 4. Jul 24, 2020 · How the EPA conducts risk assessment to protect human health and the environment. Oct 4, 2016 · EPA developed a spreadsheet calculator, the Vapor Intrusion Screening Level (VISL) Calculator (XLSM) (14 pp, 1 MB) that: lists chemicals considered to be volatile and sufficiently toxic through the soil gas intrusion pathway; and provides generally recommended, media-specific, risk-based screening-level concentrations for ground water, near-source soil gas, sub-slab soil gas, and indoor air (i Jan 4, 2021 · Regional Screening Level RSL what’s new page informs risk assessors of the biannual updates to the website and the calculator for the assessment of human Health. , (Tetra Tech) to assist the EPA On-Scene Coordinators (OSC) in performing a site assessment at the Unity Groundwater site in Unity, Marathon County, Wisconsin (site). This This exceeds exceeds the the EPA EPA drinking drinking water water RML RML for for PFOA PFOA and and meets meets the the site-specific site-specific RML. OSCs use Removal Management Levels (RMLs) as one of many tools for making a removal action decision at site, can you discuss the background of the RML and how they are used as a tools for determining a removal action? The Regional RMLs1 are chemical specific concentrations for individual contaminants thay may be used to support the decision for EPA to undertake a removal action under CERCLA Jun 26, 2025 · Regional Screening Level RSL Home Page introduces risk assessors to Chemical Risk Assessment preliminary remediation goals PRG risk based concentration RBC and risk calculations for the assessment of human Health. PFOA. The Supporting Tables provide RMLs corresponding to a 10 -4 risk level for carcinogens and an HQ of 3 for noncarcinogens. On March 14 2016, EPA received a request from the New Jersey Department of Environmental Protection (NJDEP) to evaluate the Site for a CERCLA removal action (see Attachment A). The removal action was initiated by EPA on September 21, 2020. Lead levels exceeded 1,200 mg/kg at 26 of the 33 properties sampled. July 2017. S05-0001-1409-010, the U. Oct 7, 2025 · In these tables you will find generic, risk-based RMLs calculated for tap water, air, and soil using the latest toxicity values and exposure assumptions used by EPA’s Superfund program. The facility has installed The EPA's sampling methodology correctly takes into account possible interference that the presence of lead can cause with interpretation ofarsenic results. EPA collected a total of 408 composite soil samples, including field duplicates, from 69 sampling locations throughout the sampling area. Jan 28, 2020 · Regional Screening Level RSL Home Page introduces risk assessors to Chemical Risk Assessment preliminary remediation goals PRG risk based concentration RBC and risk calculations for the assessment of human Health. The EPA's Technical Services Section prepared a memorandum (enclosed herein) analyzing the need for laboratory analysis for arsenic and lead. 4 risk level for carcinogens or a hazard quotient (HQ) of 1 for non-carcinogens (published May 2016). Nov 5, 2025 · How the EPA conducts risk assessment to protect human health and the environment. This document provides guidance and is designed to communicate national policy on identifying cadmium concentrations in soil that may present an unacceptable ecological risk to terrestrial receptors. Environmental Protection Agency (EPA) added five per- and polyfluoroalkyl substances (PFAS) to its Regional Screening Level (RSL) and Regional Removal Management Level (RML) lists, increasing the total number of PFAS chemicals from one to six. Environmental Protection Agency (EPA) tasked Tetra Tech, Inc. EPA’s action provides the Agency with critical tools needed for Superfund and other Agency Dec 12, 2016 · The summary table identifies whether the RML is based on cancer or noncancer effects by including a "c" or "n" after the RML. See section 5. Of these samples, 859 exceeded the recently updated EPA RML of 200 mg/kg. What are RMLs? The Regional Removal Management Levels (RMLs) presented on this site are to support the decision for EPA to Jul 24, 2020 · How the EPA conducts risk assessment to protect human health and the environment. 2 15,000 1 15,000 5 The EPA industrial soil RML of 19 mg/kg and the soil-to-groundwater level of 0. EPA collected soil samples at two residential properties, including the property with arsenic at a concentration above the RML and a playground at a church. (Internet accessed September 2017. Jul 14, 2025 · Organization Chart & contact information for EPA's Region 4 Office, serving Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and 6 Tribes EPA’s RML and RSL Trajectory Given the rapidly evolving nature of the science around PFAS compounds, it is possible that the initial risk-based levels in the RSLs and RMLs could change in the future, including becoming more conservative. The guidance applies to Superfund sites and Resource Conservation and Recovery Act corrective action Jun 26, 2025 · Regional Screening Level RSL user guide provides extensive guidance for risk assessors doing Chemical Risk Assessment preliminary remediation goal PRG risk based We would like to show you a description here but the site won’t allow us. Oct 14, 2025 · Portal for news and information about EPA's efforts in Georgia and Hot Topics, Environmental Information, Events, Public Notices and Press Releases, Recent News, Federal & State Contacts, Social Media links for the state of Georgia May 1, 2020 · Regional Screening Level RSL generic table page provides the default RSLs for use by risk assessors in site screening for chemical contaminants for the assessment of human Health. Sep 26, 2016 · Regional Screening Level RSL frequently asked question FAQ page provides risk assessors answers to common questions about the preliminary remediation goal PRG risk based concentration RBC and risk calculator for the assessment of human Health. Manganese exceeded the EPA residential soil RSL (1,800 mg/kg) in 22 soil samples and the TACO Tier 1 soil RO for residential properties of 1,600 mg/kg in 24 soil samples. Sampling results for the Site from 2013 indicated that lead and fine-grained lead exceeded the 2014 EPA Removal Management Levels (RML) (hazmd quotient [HQ] of3) for residential soil at several locations throughout the Site for surface soil, subsurface soil, and soils. Environmental Protection Agency’s (EPA) Office of Land and Emergency Management (OLEM) issued the Residential Lead Directive for CERCLA Sites and RCRA Hazardous The Tier I category consisted of occupied residential properties displaying PCB Aroclor concentrations greater than 10-times the respective EPA Region 4 RML^ for residential soil; Tier II consisted of occupied residential properties with PCB Aroclor concentrations greater than the RML. START was tasked with conducting daily air monitoring using particulate air monitors; delineating the Exclusion Zone (EZ), the roundwater plume emanating from the Site. Site Description Removal site evaluation The EPA referred this site to the Missouri Department of Natural Resources (MoDNR), in 2008 with a decision of no further remedial action planned (NFRAP), following a Resource Conservation Recovery Act (RCRA) closure investigation. S. In addition, meteorological data collected from 1928 to 2013 suggests that the predominant wind direction in the Chicago, IL area is from the southwest. May 18, 2022 · WASHINGTON -- Today, EPA is taking an important step forward to protect people from per- and polyfluoroalkyl substances (PFAS) by adding five PFAS chemicals for a total of six PFAS chemicals to a list of risk-based values that help EPA determine if response or remediation activities are needed. Copper was detected in one soil sample above the 2012 EPA RML HQ 3 for residential soil of 9,300 mg/kg, with a concentration of 14,000 mg/kg. 2 mg/kg for residential soil and 15 mg/kg for industrial soil) versus a HW equal to 3 (3. These averages exceed the EPA residential soil RML for lead of 400 mg/kg. When EPA's resources, or authority to respond or to expend monies under Superfund is limited, OSWER recommends that EPA Regions identify and coordinate to the greatest extent possible with other authorities and funding sources (e. Using the 95% UCL for each property, the cancer risk and noncancer hazards were determined using EPA’s RML calculator (EPA, 2018). Based on sampling results, EPA determined that interim removal actions would benecessary to mitigate unacceptable risks to residents on the residential properties. 1. The Sam Nunn Atlanta Federal Center is one of the largest federal buildings in the country and EPA Region 4 is the building's largest tenant. This lake site, maintained by the Illinois EPA (identifier IL_EPA), has the name "GEORGE" and has the identifier IL_EPA-RML-3. Jan 26, 2024 · The US Environmental Protection Agency (EPA) recently lowered the recommended regional screening level (RSL) and regional removal management level (RML) for lead-contaminated soil in areas where children live and play from 400 parts per million (ppm) to 200 ppm. Collect confirmation soil samples for lab analysis to determine if contamination in soil exceeds EPA RML, EPA protection of groundwater screening levels, and VADEQ screening levels. Title search information Feb 8, 2024 · What You Need to Know Key takeaway #1 On January 17, 2024, the U. ' - Foot " - Inches ND - Not detected mg/Kg - milligrams per Kilogram < - Less than ≥ - Greater than or equal to * - Field duplicate All results for Aroclor-1254. EPA guidance, cancer risk, hazard index, exposure assessment, toxicity assessment, risk characterization, regional screening Levels (RSLs), regional removal management levels (RMLs), vapor intrusion screening levels (VISL), radionuclide preliminary remediation goals for radionuclides (PRGSs), radionuclide dose These replicate samples provided EPA with additional information to determine if soil in a residential yard contained lead above or below the 2014 EPA residential soil RML. Laboratory results indicated a wider range of concentrations of lead in the fine fraction of soil collected. The EPA RML exceedance concentrations of arsenic ranged from 35 ppm to as high as 54,177 ppm (in Property P001). +Additionally for PFCs, the EPA RML noted here is a site-specific level for PFOA and PFOS combined. Environmental Protection Agency Removal Management Level, Hazard Quotient = 3. Environmental Protection Agency Ind. These concentrations are below the EPA RML for residential soil of 94 mg/kg. The EPA RML for PCBs Aroclor 1248 is 23 mg/kg for residences and 95 mg/kg on industrial properties. EPA, 2024a; referred to as the Updated Guidance throughout this memorandum) that updated its residential soil lead regional screening level (RSL) and regional Can EPA decide not to take a removal action if site concentrations are above the RML? Yes. The EPA RML for PCB Aroclor 1254 is different for a calculated Hazard Quotient (HQ) equal to 1 (1. The analytical results indicated lead levels exceeded 400 milligram/kilogram (mg/kg),1 the applicable EPA Removal Management Level (RML) at the time, in 291 of 408 samples. #1). Twenty-one of those 58 properties with lead exceedances of the EPA RML were north of East 25th reet. Though the updates to the two sets of screening levels derive from ATSDR levels for PFOA and PFOS, those levels triggered significant controversy when first proposed in 2018. The updated guidance is a culmination of a years-long effort to strengthen the investigation and cleanup of lead-contaminated soil to protect children from lead exposure. Industrial mg/kgmilligram per kilogram RMRumsey Mill RMLRegional Removal Management Level RSLRegional Screening Level SOSoil The residential RSL for arsenic in soil is 0. A total of 18 samples were submitted to OEME NERL for asbestos analysis. Document and summarize the findings in an after action report. Lead levels exceeded 1,200 mg/kg at 26 of the 33 properties sampled Jun 26, 2025 · Regional Screening Level RSL equations page provides quick access to the equations used in the Chemical Risk Assessment preliminary remediation goal PRG risk based concentration RBC and risk calculator for the assessment of human Health. EPA Significant Threat Memorandum for Arsenic Mine 1. These replicate samples provided EPA with additional information to determine if soil in a residential yard contained lead above or below the 2014 EPA RML for residential soil of 400 mg/kg. XRF screening results for the P1 grid samples indicated that arsenic concentrations at 152 grids exceeded the EPA industrial RML of 300 parts per million (ppm) for arsenic, and that lead concentrations at 154 grids exceeded the EPA industrial RML of 800 ppm for lead. residential_soil_supporting_table_hq3_may_2016 Feb 19, 2025 · EPA Region 4 covers Georgia, Kentucky, Tennessee, North Carolina, South Carolina, Alabama, Mississippi, Florida and six Tribal Nations. 4 A total of seven soil samples were collected from the site for laboratory VOC analysis. It was developed based on the reference dose used by the EPA Office of Water to establish the lifetime drinking water health advisory of 70 parts per For PFCs, all soil analytical results and human health risk assessment, U. Where the Clean Air Act Section 112 (r) program has been delegated to a state, that state may have additional requirements for the federally listed chemicals Nov 5, 2025 · How the EPA conducts risk assessment to protect human health and the environment. 6 mg/kg in all seven samples, including the field duplicate, with the highest concentration at 1,500 J (estimated result) mg/kg in P005-SB011-0006-01. Every property sampled except for one (HP001-P121, Darlene McKnight Elementary School) had at least one sample with a lead concentration above the 200 mg/kg RML. The MoDNR Environmental Remediation Program was made aware of the potential threat to health in children and adults Jul 1, 2015 · The Risk Management Program rule provides a List of Regulated Substances under section 112 (r) of the Clean Air Act. EPA identified average lead concentrations in the top two feet of soil above the residential EPA RML of 400 mg/kg. EPA recommends using an even lower RSL of 100 ppm in areas with other sources of lead exposure, including lead water service lines Mar 15, 2024 · On January 17, 2024, the US Environmental Protection Agency (US EPA) lowered the regional screening level (RSL) and regional removal management level (RML) for lead-contaminated soil in residential areas from 400 ppm to 200 ppm. Feb 23, 2024 · On January 17, 2024, the EPA issued guidance that recommends lowering the screening levels used to investigate and clean up lead-contaminated soil in residential areas where children live and play. Two of the triplicate arsenic results for sample BL-SO81 collected at the Southwest Playground exceeded the RML of 39 mg/kg at concentrations of 40 +/- 6 mg/kg and 46 +/- 6 mg/kg. * The RMLs listed for Total PCBs includes aroclors and congeners; only aroclors were analyzed. The analytical results of the soil samples collected from the cliff-face have confirmed that the horizontal extent of lead and arsenic contamination extends along approximately 160 linear feet of the cliff-face. 1 On January 17, 2024, EPA released new guidance updating the RML for lead in residential soils: “Updated Residential Soil Lead Guidance for CERCLA Sites and RCRA Corrective Action Facilities,” which establishes an RML of 200 mg/kg, lowering it from the previous EPA residential RML of 400 mg/kg. Jul 10, 2025 · EPA collected a total of 408 composite soil samples, including field duplicates, from 69 sampling locations throughout the sampling area. ) When evaluating residential sites with soil lead contamination,1 OLEM recommends: 1For the purpose of this guidance, a residential site with soil lead contamination (residential lead site) is defined as any areas where children have unrestricted access to lead contaminated soil which include, but are not limited to, properties containing single- and multi-family dwellings, apartment complexes Feb 12, 2024 · The U. Results of the screening evaluation are summarized in Table 2 below; all RML calculator outputs are included in Attachment 3. May 25, 2016 · These are the generic regional removal management level for chemical spreadsheets available as PDFs for a hazard quotient of three. See section 1 of the user's guide and FAQ 1. Figure 5-1 presents lead concentrations and proposed excavation depth for lead-contaminated soil above the EPA RML level of 800 mg/kg. This report summarizes the findings of the field activities conducted in off-site areas around the site. Figure 5-3 presents the judgmental sample results. This includes the first 6 years of life, where children are most susceptible to developmental effects of contaminant exposure. 0) -4 EPAU. This includes their synonyms and threshold quantities (in pounds) to help assess if a process is subject to the RMP rule. Environmental Protection Agency HQ Hazard Quotient NE Not Evaluated RCF Rockton Chemtool Facility RML Removal Management Level TCR Target Cancer Risk VOC Volatile Organic Compounds Action described herein in accordance with the Comprehensive Environmental Response, Compensation and Liability Act ("CERCLA"), 42 U. While EPA's expectation is that removal actions are generally justifiable above the RML, EPA has the flexibility to determine that case-specific conditions do not warrant a removal action. Additional guidance is also provided on sources of parameters and proper VISL use. Nov 5, 2025 · EPA has prepared several documents and tools, shown below, to support development of its Final Subsurface Vapor Intrusion Guidance. The updated guidance lowers the recommended lead screening levels for direct contact with soil from 400 milligrams per kilogram (mg/kg or This lake site, maintained by the Illinois EPA (identifier IL_EPA), has the name "GEORGE" and has the identifier IL_EPA-RML-1. 23, 2025, and provided background, water & sediment/soil sampling data & analysis, and conclusions from sampling in Montrose and Clinton, Missouri, and Montrose Lake. Sustainable Features The building was awarded the ENERGY STAR® in 2013 with a score of 93. Concentrations of arsenic exceeded the EPA RML in two locations, at concentrations of 38 mg/kg and 39 mg/kg. During 2021, EPA sampled an additional 66 properties, 49 of which had total lead above the RML (AR 2nd Amend. in gardens and drip zones. Mercury was not detected above the EPA RML of 30 mg/kg in any sample collected from the Site. Dear Ms. . These values are highly protective and are based upon an individual working or playing in the soil for 24 hours a day, for 350 days per year for 26 years. Jun 6, 2022 · On May 18, 2022, the U. Feb 12, 2025 · RMLs are used to help define areas, contaminants and conditions that may warrant a removal action at a site. As a result, EPA expects to investigate more residential properties for lead contamination and potential cleanup. TDEC referred the site to the EPA Superfund Removal Program in 2014. This document provides the Eco-SSL values for cadmium and the documentation for their derivation. g. 6, November 2015; based on a Target Indoor Air Concentration at TCR = 1e-04 and THQ = 3. 7, 2025, report, received by EPA on Jan. Lead-contaminated soil may migrate as airborne particulate matter, surface runoff, percolation into groundwater, through construction activities, by children transporting soil/dust into their homes after playing in contaminated Oct 28, 2025 · On October 16, 2025, the U. 6. During the initial mobilization for the removal action in 2020, 7 additional residential properties were sampled for total lead, 6 of which had results above the RML. Jun 26, 2025 · Regional Screening Level RSL generic table page provides the default RSLs for use by risk assessors in site screening for chemical contaminants for the assessment of human Health. Arsenic and lead were detected at concentrations greater than their respective EPA RML-R values, at maximum concentrations of 92 mg/kg and 590 mg/kg, respectively. One of the properties, designated EW2, contains soils with PCB levels consistently Mar 11, 2025 · One property contained arsenic at a concentration above the EPA RML of 61 milligrams per kilogram (mg/kg). The proposed Removal Action involves the removal and off-site treatment and/or disposal of contaminated surface soils and waste 1 RML equivalent for indoor air analytes based on EPA VISL Calculator 3. x If there are concentrations of lead above the EPA Region 4 RML for residential soils of 400 mg/kg in particles less than 150 micrometers (μm) in diameter in the uppermost six inches of soil at the Site. PCBs Aroclor 1248 Aroclor 1254 Pesticides EPA RML for TCLP Industrial Limit Soil* (mg/L) (mg/kg) 160 5 570,000 100 2,400 1 NL 5 800 5 130 0. On June 2, 2023, EPA and its Emergency Rapid Response Services (ERRS) contractor initiated bottled water delivery to a total of six residences where levels of PFOA in private drinking water supply wells exceed the RML. Researching the questions and answers posted here will hopefully aid the reader in understanding some of the issues/questions that arise when using these RML tables. Based on the release of Site-related hazardous substances to residential drinking water at levels exceeding the EPA RML, a remov Of these 164 properties, EPA has sampled 117 residential properties to date, and confirmed that 56 have lead concentrations above the Removal Management Level (RML) for residential soil of 400 milligrams per kilogram (mg/kg). Routes of The data summary tables herein referenced as Attachment 3 presents lead concentrations above the EPA RML of 800 milligrams per kilogram (mg/kg). The findings from previous site assessment activities conducted on the The concentrations of phosphorus exceeded the EPA RML of 1. Drinking water results indicated that one metal (arsenic) was detected at concentrations greater than the EPA RML for tap water, and the MassDEP groundwater category GW-1 standard. Environmental Protection Agency Office of Land and Emergency Management released the Updated Residential Soil Lead Guidance for CERCLA Sites and RCRA Corrective Action Facilities Sep 22, 2025 · Various ways to contact EPA Region 4 Southeast including media and press contacts What action did EPA take? EPA lowered recommended screening levels and strengthened guidance for cleaning up lead-contaminated soil in areas where children live, learn, and play. The generic RMLs are generally higher levels than those selected as final cleanup levels at sites where a remedial action may be required under Superfund authority. 68 mg/kg. C. (Weston), EPA’s Superfund Technical Assessment and Response Team (START) contractor, and Environmental Restoration, LLC (ER), EPA’s Emergency and Rapid Response Services (ERRS) contractor, to the Site. Chrysotile asbestos was detected in nine of the 18 samples collected, and at or above the reporting limits of 1% in four of the 18 samples collected. GLS-005,433 GLS-005, 433 Quiet Quiet Brook Brook Road, Road, Darlington, Darlington, South South Carolina, Carolina, reported reported 220 220 ng/L ng/L for for PFOA. Apr 23, 2025 · Groups or categories of chemical substances exempted from some or all of the reporting requirements of this part. Jun 1, 2022 · Of the 58 total occupied residential properties sampled, 28 of the properties had surficial concentrations that exceeded the EPA RML of 400 mg/kg for lead (see Figure 3). (Tetra Tech) is submitting this final site assessment report summarizing the work conducted at properties adjacent to the former Frank Foundry site on February 18 and March 30, 2016. RML. On May 18, 2022, the U. Environmental Protection Agency (US EPA) Regional Removal Management Levels for Chemicals (RMLs). Apr 29, 2022 · Exposure from heavy metals in soil is facilitated through plant uptake and consumption, water consumption, or inhalation of dust. However, concentrations of antimony above the EPA RML for residential soil of 94 mg/kg were detected in subsurface soil samples (6-12 or 12-24 inches bgs) at five locations in the middle to western part of the alley. CAS Chemical Abstract Service EPA U. Jan 31, 2024 · On January 17, 2024, the U. 036 mg/kg should be considered for any source area addressed through the removal action. U. Aug 20, 2025 · EPA Region 7 reviewed a scanned copy of a Jan. The document does not, however, substitute for EPA's statutes or regulations, nor is it a This lake site, maintained by the Illinois EPA (identifier IL_EPA), has the name "GEORGE" and has the identifier IL_EPA-RML-2. tthpbye wafq ptu jex ofypl ixtdi owzcnzqm blxyxf hppn odkean maugrn dgr guy uqqkk rvsiy