Critical levels definition

Critical levels means concentrations of pollutants in the atmosphere above which direct adverse effects on receptors, such as human beings, plants, ecosystems or materials, may occur, according to present knowledge;
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Critical levels means concentrations of pollutants in the atmosphere for a specified exposure time below which direct adverse effects on receptors, such as human beings, plants, ecosystems or materials do not occur according to present knowledge;
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Critical levels means the concentration of pollutants in the atmosphere above which direct adverse effects on receptors, such as human beings, plants, eco- systems or materials, may occur, according to present knowledge;
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Examples of Critical levels in a sentence

  • Critical levels and loads are set to protect the most vulnerable habitat types.

  • The Authority shall monitor the Developer's compliance from time to time during the Project.

  • Critical levels are reproduced in Hamilton (1994) and Enders (1995).

  • Critical levels for implementation of large-scale closures shall be agreed upon by the Geographic Agency Administrators before the start of fire season.

  • Table 5: Ambient Air Quality Status of Madhya Pradesh in Previous YearsSource: National Ambient Air Quality Monitoring Series, CPCBR – Residential and other areas, I – Industrial area, L- Low, M- Moderate, H – High and C – Critical levels of pollution based on exceedence factor (calculated for n > 50 days), NP – Not Prescribed 3.

  • Critical levels, quantitative estimates of exposure to O3 above which direct adverse effects may occur (CLRTAP, 2015), have been determined for these indices based on O3 dose-response relationships from fumigation experiments with enhanced O3 mixing ratios (Karlsson et al., 2004).

  • Critical levels such as levee heights and road low points could also be incorporated within the system.A similar flood intelligence system was recently prepared by Bewsher Consulting for the Georges River (see Gissing et al., 2004).

  • In/etc/munin/munin.conf, enter this: contacts nagioscontact.nagios.command /usr/bin/send_nsca -H your.nagios-host.here -c /etc/send_nsca.cfg Note: Be aware that the -H switch to send_nsca appeared sometime after send_nsca version 2.1. Always check send_nsca --help! Configuring Munin plugins Lots of Munin plugins have (hopefully reasonable) values for Warning and Critical levels.

  • Critical levels are preferably based on stomatal fluxes, as these are considered more biologically relevant since they take into account the modifying effect of climate, soil and plant factors on the uptake of ozone by vegetation.7. Critical levels of ozone have been derived for a number of species of crops, (semi-)natural vegetation and forest trees.

  • Upper critical levels of toxic elements in plants.2. Critical levels of copper in young barley, wheat, rape, lettuce and ryegrass, and of nickel and zinc in young barley and ryegrass.


More Definitions of Critical levels

Critical levels. ' means the concentration of pollutants in the atmosphere above which direct adverse effects on receptors, such as human beings, plants, ecosystems or materials, may occur, according to available knowledge.
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Related to Critical levels

  • 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.

  • Base Level means the following amounts plus the percentage

  • 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).

  • 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.

  • Use Level means the license use meter or model (which may include operating system, hardware system, application or machine tier limitations, if applicable) by which Symantec measures, prices and licenses the right to use the Licensed Software, in effect at the time an order is placed for such Licensed Software, as indicated in this License Agreement and the applicable License Instrument.

  • Final Level means, in respect of the Index, the Closing Level on the Final Valuation Date, provided that, if the Final Valuation Date is not an Exchange Business Day, then the Final Level will be determined on the immediately preceding

  • Barrier Level means the Barrier Level as specified in § 1 of the Product and Underlying Data.

  • Severity Level means the actual impact of a Defect on a user’s operational environment as further described in the table below.

  • Sound level means the A-weighted Sound Pressure Level;

  • 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.

  • Critical Component means, in respect of a weapons system referred to in the definition of Prohibited Defense Contract, a component used specifically in the production of the weapon system or plays a direct role in the lethality of the weapon system.

  • Service Level means the standard set forth below by which IBM measures the level of service it provides in this SLA.

  • Poverty level means the annual family income for a family unit of a particular size, as specified in the poverty guidelines updated annually in the Federal Register by the U.S. Department of Health and Human Services.

  • Ground Level means the level of the referred point of exposed surface of the ground as indicated in the drawing.

  • Service Levels means the service levels to be met by the Services as referenced in the Contract Letter and set out in the Specification Schedule.

  • RBC level means an insurer's company action level RBC, regulatory action level RBC, authorized control level RBC, or mandatory control level RBC where:

  • Critical Illness or “CI” means Diagnosis of any of the following Covered Conditions which occur directly as a result of illness, and first occur after the Effective Date of Insurance:

  • Critical habitat - means the following river reaches and their 100 year floodplains: the Gunnison River downstream of the Uncompahgre River confluence, the Colorado River downstream of the exit 90 north bridge from I-70, the White River downstream of Rio Blanco Dam, the Green River downstream of the Yampa River confluence, and the Yampa River downstream of the Colo 394 bridge.

  • Federal poverty level means the poverty level as defined by the most recently revised poverty income guidelines published by the United States Department of Health and Human Services in the Federal Register.

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

  • 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 Index at 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), all as determined by the Calculation Agent.

  • Маrgin Level for CFD trading shall mean the percentage of Equity to Necessary Margin ratio. It is calculated as: Margin Level = (Equity / Necessary Margin) x 100%.

  • Critical Path means those Trade Contractor Work activities identified on the Construction Schedule which, if delayed, will cause a corresponding Delay in the Substantial Completion Date.

  • Level has the meaning given that term in the definition of the term “Applicable Margin.”

  • Service Level Failure means a failure to perform the Software Support Services fully in compliance with the Support Service Level Requirements.

  • Performance Level means a reference to one of Performance Level I, Performance Level II, Performance Level III, Performance Level IV or Performance Level V.