The MCP Numerical Standards provide a simple means to determine whether remediation is 5. MassDEP proposed groundwater cleanup standards for PFAS significantly lower than the federal health advisory as part of its long-expected proposed… Protection (MassDEP) disposal site located at 137 Hatherly Road, Scituate, Massachusetts (the Site; Figs. MassDEP updated its imminent hazard standards for TCE exposure in indoor air and simultaneously updated its MCP Method 1 soil and groundwater standards and reportable concentrations to reflect the new values. Brief descriptions of the releases are summarized below. This RAM Plan was prepared in accordance with the requirements of the Massachusetts Contingency Plan (MCP), 310 CMR 40.0440. SOIL. and Edmund A.C. Crouch, Ph.D. July 19, 2019 Introduction and Overview The Massachusetts Department of Environmental Protection (MassDEP, 2019) proposes new MassDEP is proposing significant amendments to the Massachusetts Contingency Plan (MCP), 310 CMR 40.0000, as part of the agency’s regulatory reform efforts. On August 19, 2010, MassDEP requested These systems would be required to conduct Massachusetts Department of Environmental Protection (MassDEP) in accordance with 310 CMR 40.0000, the Massachusetts Contingency Plan (MCP). 7.5 VOC standards -- Reagent-grade neat materials. volume of soil coming from each source area, and the name of the qualified firm and analytical laboratory that performed the material sampling and testing. Department of Environmental Protection (MassDEP) of the reportable condition immediately after notifying the City of the condition. SUBPART ]: RESPONSE ACTION OUTCOMES . Method 1 provides numeric soil and groundwater cleanup standards that MassDEP has Soil and groundwater samples collected at the Site are analyzed for chemical constituents and the results of the analyses are compared to the MCP Cleanup Standards. The MCP revisions also set Method 1 cleanup standards for the six PFAS for soil. The MCP establishes numerical and performance standards for addressing re leases of oil and/6r hazardous materials to the environment. MassDEP has set a regulatory guideline for 1, 4 Dioxane in drinking water, as well as groundwater and soil cleanup standards in the MCP. Reclamation Soil – To be defined as part of the Reclamation Soil Project. Massachusetts landfills and soil reclamation facilities do not accept soil containing ACM, including soils containing trace (<1 percent) ACM, although some facilities outside of Massachusetts will accept soil with trace asbestos. MCP means the Massachusetts Contingency Plan, 310 CMR 40.0000. OHM means oil and/or hazardous material (defined in 310 CMR 40.0006). Reclamation Soil – To be defined as part of the Reclamation Soil Project. The MCP establishes numerical and perfonnance standards for addressing releases of oil andlor hazardous materials to the environment. At the most recent meeting of the Massachusetts Solid Waste Advisory Committee, held virtually on October 1, 2020, staff from the Department of Environmental Protection (“MassDEP”) unveiled potential changes to the agency’s solid waste facility site assignment regulations at 310 CMR 16.00.. wastewater, soil, debris, and sediment that contains used or unused waste oil, does not need to be managed as MA-01 hazardous waste if managed under the MCP’s remediation waste requirements at 310 CMR 40.0030, and shipped to a facility permitted to receive these materials. The MassDEP Risk Assessment ShortForms have been updated to reflect the USEPA TCE toxicity values1. Thus, MassDEP is proposing “to discontinue using sludge limits as the basis for these standards,” and, instead, to set the Method 1 S-1 soil standard for Groundwater (µg/L) Soil (mg/kg) Reportable Concentrations (1) Method 1 Cleanup Standards (2) Method 3 (2) Reportable Concentrations (1) Method 1 Cleanup Standards (2) Method 3 (2) RCGW-1 RCGW-2 GW-1 GW-2 GW-3 UCL RCS-1 RCS-2 S-1 S-2 S-3 UCL MassDEP held a meeting for parties wishing to expand upon the information and reasoning underlying the comments submitted on the proposed changes to the MCP numerical standards on June 7, 2013. • PCBs ≥ 10 mg/kg in top 12” of soil, within 500 ft. of school, residence, or playground; • Short-term (5 yrs.) For most OHM, MassDEP has relied upon the toxicity values in IRIS or PPRTVs since these are sources consider recent toxicity information and are used in most risk assessments. Hazardous Substance Highest Concentrations MCP Soil Remediation Standards Detected S-1 (high frequency/intensity use area) Arsenic 36 mg/kg 20 mg/kg Cadmium 20 mg!kg 2 mg!kg Chromium 940 mg/kg 30 mg/kg Lead 1,300 mg!kg 300 mg/kg PCBs 370 mg!kg 2 mg/kg 5. contains a specific notification exemption for such residuals.” Proposed MCP Amendments – Redline/Strikeout Version at p. 128. Vernon Street, Lowell, MA Page 3 ... MCP Method 1 Soil Standards; 2. The use of a Method 1 Risk Characterization under the MCP is restricted to sites at which the contamination is limited to soil and groundwater. 2.0 SCOPE OF WORK The following is site-specific information as required by the Massachusetts Contingency Plan (MCP, 310 CMR 40.0444 (1)): 2.1 Person Assuming Responsibility for RAM The City of Boston/Department of Neighborhood Development is responsible for 7.5.1 The stock and working standards should consist of the principal VOC of site interest. Groundwater samples ... concentrations below MCP Method 1 groundwater standards. MassDEP means the Massachusetts Department of Environmental Protection. The following is site-specific information as required by the Massachusetts Contingency Plan (MCP, 310 CMR 40.0444 (1)): ... at concentrations below MCP Method 1 Standards. OHM Release (RTN 3-11815; CLOSED) Remedial response actions, including soil excavation and confirmatory soil sampling, were MCP Numerical Standards Reformatted December 2017 The development of chemical-specific cleanup standards for use under the Massachusetts Contingency Plan (MCP) represents an important piece of the effort to streamline the site assessment and remediation program. Brief descriptions of the releases are summarized below. Table 1 of the approval were based largely on 2008 Massachusetts Contingency Plan (MCP) values. Whereas several MCP values have changed since 2008, MassDEP requested that the 2010 Permit Standards be compared to current MCP soil category S-1/GW-1 values. the nature and accessibility of the contamination. exposures under the MCP pursuant to 310 CMR 40.0993(5)(a). MA DEP MCP Massachusetts Contingency Plan. NPL status 82080 234 – 266 Mt. Find Reportable Quantities (RQs) and Reportable Concentrations (RCs) for many common chemicals. 310 CMR 40.1001 throug 40.109h9 shal bl e cited collectivel asy 31 0 CM 40.1000R . and Edmund A.C. Crouch, Ph.D. July 19, 2019 Introduction and Overview The Massachusetts Department of Environmental Protection (MassDEP, 2019) proposes new The criteria were based on review of available and applicable soil standards, guidelines, values, criteria, and background levels established by MADEP in various regulations, guidelines, Consistent OHM Release (RTN 3-11815; CLOSED) Remedial response actions, including soil excavation and confirmatory soil sampling, were A Phase II ESA is actually a screening to determine if potential contamination and/or hazardous materials are present to assist in making informed business decisions about the property. MCP revisions do not yet reflect this change. The Department is also preparing revised MCP Method 1 soil and groundwater standards and MCP Reportable Concentrations for soil and groundwater based on these values. MassDEP FY14 Preview • MCP Amendments: Implementation • Soil Management: New guidance and policy • IT: Stakeholder input on DEP website content • TCE: Managing imminent hazards • NRD: Regs for oil spills to surface waters This report is submitted to MassDEP via the electronic online filing system, eDEP, under transmittal form BWSC-105. •Method 2 Soil Standards (310 CMR 40.0985(6)) 15 MCP Method 2 Soil Standards S-1 S-2 S-3 PFDA 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg PFHpA 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg PFHxS 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg PFNA 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg PFOS 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg PFOA 0.3 mg/kg 0.4 mg/kg 0.4 mg/kg (See 310 CMR 30.252) 3. Massachusetts Department of Environmental Protection (DEP) recognized in 1999 that the competitive nature of the industry was causing labs to interpret language in SW-846 methods in such a way as to reduce the quality of the data being produced. process and associated soil sampling procedures after the UST is removed. Vapor Intrusion Guidance public review draft is now available. This document summarizes the public comment received on the public hearing draft of the proposed MCP amendments and MassDEP’s response to those comments. MassDEP updated its imminent hazard standards for TCE exposure in indoor air and simultaneously updated its MCP Method 1 soil and groundwater standards and reportable concentrations to reflect the new values. 7.5.1 The stock and working standards should consist of the principal VOC of site interest. MCP means the Massachusetts Contingency Plan, 310 CMR 40.0000. MassDEP has defined a new category of material, “historic fill,” which may be left in place As past head of (MassDEP) since 1987 and is currently the Director of Response and Remediation in the Bureau of Waste Site Cleanup. MCP Numerical Standards and Reportable Concentration Changes (RCs) This spreadsheet provides a comparison of the MCP Standards and RCs in the 2014 final MCP amendments to the preceding values. Given that this is a screening procedure, higher purity materials are not necessary. MassDEP has not specified in regulation whether the Absolute Method or the Rounding Method applies to the Method 1 standards, Method 2 standards and the Method 3 risk limits.
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