Regional Screening Levels definition

Regional Screening Levels means risk-based chemical concentrations derived from standardized equations combing exposure assumptions with US EPA chemical-specific toxicity values and target risk levels that are used for site screening and initial cleanup goals.

Examples of Regional Screening Levels in a sentence

  • Regional Screening Levels for Chemical Contaminants at Superfund Sites.

  • Each of the chemicals with one or more toxicity values used to derive Regional Screening Levels (http://www.epa.gov/reg3hwmd/risk/human/rb- concentration_table/Generic_Tables/index.htm) were evaluated for volatility and toxicity, according to the foregoing recommended criteria.

  • To identify appropriate constituents for subsequent analysis, the maximum concentrations of constituents were compared to the UTS, as well as EPA Regional Screening Levels (RSLs), such that the implications of Land Disposal Restrictions (LDRs) and potential risks were considered.

  • Specifically, US EPA has established Regional Screening Levels (RSLs) to assess potential human health risks from chemicals in soil, water, and air.

  • USEPA Regional Screening Levels (RSLs) - Generic Tables as of May 2020 Available online:https://www.epa.gov/risk/ regional-screening-levels-rsls-generic-tables, accessed onJan 9, 2020.

  • Temporary closures may be permitted upon specific written approval of the contracting officer.

  • The RBSLs were developed using the methodology presented by the United States Environmental Protection Agency (U.S. EPA) for Regional Screening Levels (RSLs) and the more protective toxicity criteria from either Office of Environmental Health Hazard Assessment (OEHHA) or U.S. EPA, consistent with DTSC guidance on the use of RSLs and conducting screening-level human health risk assessments (HHRAs) in California.

  • The USEPA values listed are reflective of the Regional Screening Levels (RSL) Summary Table May 2016.

  • Duty Days and Hours – Internship duty days are normally considered Monday through Friday not counting Federal Holidays and weekends.

  • All detectable concentrations of DDE, DDT, and dieldrin were found to be below both the California Human Health Screening Levels and EPA Region 9 Regional Screening Levels for residential use soils.

Related to Regional Screening Levels

  • Working level month (WLM) means an exposure to 1 working level for 170 hours (2,000 working hours per year divided by 12 months per year is approximately equal to 170 hours per month).

  • Working level (WL) means any combination of short-lived radon daughters in 1 liter of air that will result in the ultimate emission of 1.3E+5 MeV of potential alpha particle energy. The short-lived radon daughters are—for radon-222: polonium-218, lead-214, bismuth-214, and polonium-214; and for radon-220: polonium-216, lead-212, bismuth-212, and polonium-212.

  • Closing Level : means the official daily Closing Level of the Index as published by the Index Sponsor in relation to each Scheduled Trading Day during the Investment Term.

  • Pricing Level II shall exist on an Adjustment Date if the Consolidated Leverage Ratio for the relevant period is less than 3.50 to 1.00 but greater than or equal to 3.00 to 1.00.

  • Pricing Level refers to the determination of which of Level I, Level II, Level III, Level IV, Level V or Level VI applies at any date.

  • Pricing Level III shall exist on an Adjustment Date if the Consolidated Leverage Ratio for the relevant period is less than 3.00 to 1.00 but greater than or equal to 2.50 to 1.00.

  • Minimum Level (ML means the concentration at which the entire analytical system must give a recognizable signal and an acceptable calibration point. The ML is the concentration in a sample that is equivalent to the concentration of the lowest calibration standard analyzed by a specific analytical procedure, assuming that all the method-specified sample weights, volumes and processing steps have been followed.

  • Index Level means, in respect of any day and subject to Adjustment Provisions: (a) in respect of an Index(other than a Multiple Exchange Index), the closing level of such Indexat the Valuation Time on such day; and (b) in respect of an Index that is a Multiple Exchange Index, the official closing level of the Index on such day at the Valuation Time as calculated and published by the Index Sponsor each as rounded up to four decimal places (with 0.00005 being rounded up), allas determined by the Calculation Agent.

  • SBI 1 Year MCLR Rate means 1 year Marginal Cost of Funds Based Lending Rate (MCLR) fixed by State Bank of India (SBI) / any replacement thereof by SBI for the time being in effect applicable for 1 year period, as on 1st April of the respective financial year in accordance with regulations and guidelines of Reserve Bank of India. In absence of such rate, any other arrangement that substitutes such rate as mutually agreed to by the Parties.

  • Initial Index Level means the closing level of the FTSE 100 on the Start Date.

  • Baseline means the “Initial Small Business Lending Baseline” set forth on the Initial Supplemental Report (as defined in the Definitive Agreement), subject to adjustment pursuant to Section 3(a).

  • Pricing Level I shall exist on an Adjustment Date if the Consolidated Leverage Ratio for the relevant period is greater than or equal to 3.50 to 1.00.

  • Licensed Level means a) when referenced in the context of a Named User, the quantity of Metric for which each individual Named User category and type is licensed -and- b) when referenced in the context of a Package, the quantity of Metric for which each individual Package is licensed; and

  • Building level or district level leader means an individual employed by the District whose job assignment is that of a building level or district level administrator or an equivalent role, including an administrator licensed by the State Board of Education, an unlicensed administrator, or an individual on an Administrator Licensure Completion Plan. Building level or district level leader does not include the superintendent, deputy superintendents, associate superintendents, and assistant superintendents.

  • Sound level meter means an instrument which includes a microphone, amplifier, RMS detector, integrator or time averager, output meter, and weighting networks used to measure sound pressure levels.

  • Pricing Level IV means any time when (i) no Event of Default has occurred and is continuing, (ii) the Senior Debt Rating is BBB- or higher by S&P or Baa3 or higher by Moody’s and (iii) Pricing Levels I, II and III do not apply.

  • SOFR Compounded Index means the Compounded Daily SOFR rate as published at 15:00 (New York time) by Federal Reserve Bank of New York (or a successor administrator of SOFR) on the website of the Federal Reserve Bank of New York, or any successor source; and

  • Digital Signal Level 0 (DS-0 means the lowest-level signal in the time division multiplex digital hierarchy, and represents a voice-grade channel operating at either the 56 Kbps or 64 Kbps transmission bit rates. There are twenty-four (24) DS-0 channels in a DS-1.

  • Performance Measurement Period has the meaning set forth in Section 3.1(e)(ii).

  • Pricing Level V any time when (i) the senior unsecured long term debt rating of the Borrower by (x) S&P is BBB‑ or higher or (y) Xxxxx’x is Baa3 or higher and (ii) none of Pricing Level I, Pricing Level II, Pricing Level III or Pricing Level IV applies.

  • SONIA Compounded IndexStart means, with respect to an Interest Accrual Period, the SONIA Compounded Index determined in relation to the day falling the Relevant Number of London Banking Days prior to the first day of such Interest Accrual Period; and

  • Base Level means the level of the Index (excluding any flash estimates) published or announced by Eurostat (or any successor entity which publishes such index) in respect of the month which is 12 calendar months prior to the month for which the Substitute Index Level is being determined;

  • Screening Test means a drug or alcohol test which uses a method of analysis allowed by the Minnesota Drug and Alcohol Testing in the Workplace Act to be used for such purposes.

  • Final Index Level : means the Closing Level of the FTSE 100 Index on the Investment End Date.

  • Baseline Period means the 12-month period immediately preceding October 30, 2016.

  • Initial Level means, in respect of an Index, the level specified as such in the applicable Issue Terms.