Threshold Planning Quantity: A quantity designated for each chemical on the list of extremely hazardous substances that triggers notification by facilities to the State Emergency Response Commission that such facilities are subject to emergency ...
Threshold level: Level established as the average rate of water use.
Threshold pollutant: Substance that is harmful to a particular organism only above a certain concentration, or threshold level.
threshold limit value-short term exposure limit (TLV-STEL)
As defined by ACGIH, concentration to which it is believed that workers can be exposed continuously for a short period of time without suffering from 1) irritation, 2) chronic or ...
Threshold Limit Value (TLV): The concentration of an airborne substance to which an average person can be repeatedly exposed without adverse effects.
threshold limit value-short term exposure limit (TLV-STEL) 1) Defined as a 15-minute TWA exposure which should not be exceeded at any time during a workday even if the eight-hour TWA is within the TLV-TWA.
threshold moisture content
The minimum moisture condition measured in terms of either moisture content or moisture stress, at which biological activity just becomes measurable.
tidal flats ...
threshold: Threshold is the point at which radiation first produces an observable effect (response) from acute exposures.
Threshold Limit Value: Air concentration of chemical substances to which healthy workers can be exposed for 8-hour work days during a 40-hour work week without suffering an adverse effect.
threshold pollutant
substance that is harmful to a particular organism only above a certain concentration, or threshold level.
TDS, total dissolved solids ...
Threshold Limit Value (TLV)
Public health exposure level set by the National Institute for Occupational Safety and Health for worker safety.
threshold odor. The minimum odor of a water sample that
can just be detected after successive dilutions with odorless
water. Also called odor threshold ...
threshold level : Time-weighted average pollutant concentration values, exposure beyond which is likely to adversely affect human health. (See ' environmental exposure') ...
threshold. The lowest dose of a chemical at which a specified measurable effect is observed and below which it is not observed. ...
Threshold
The dose or exposure level below which a significant adverse effect is not expected.
Tillage ...
Threshold Planning Quantity
TPSIS
Transportation Planning Support Information System ...
Odor threshold - The lowest concentration of a chemical that can be smelled. Different chemicals have different odor thresholds. Also, some people can smell a chemical at lower concentrations than others can.
Initial Threshold Screening Level
A Michigan health-based screening level designed to be protective for non-carcinogenic effects (an illness that threatens health but is not cancer). It is based on toxicological data.
Injection Well ...
A Alert threshold
Definition (english only)
The EU has defined an Alert threshold of 240 µg ozone per m3 air. Any exceedance of this threshold should be reported by the Member State in which it occurs to the European Commission.
Standard Threshold Shift (STS): A change in hearing threshold relative to the baseline audiogram of an average of 10 dB or more at 2000, 3000 and 4000 hertz in either ear.
Threshold Dose Response A type of response to a suspected carcinogen in which, at very low exposures, there appears to be no detectable increased risk of disease; there is a threshold below which no risk is detected.
Developmental threshold The body temperature of an organism below which no development occurs. Devonian period A geological era lasting from approximately 400 to 360 million years ago.
A deterministic effect describes Ionising Radiation induced damage where a Dose threshold exists, and for which the severity of damage increases with increasing Dose above that threshold.
global recession buffer (GRB) = key element in Australia's CPRS legislation; assistance for EITE industries who meet the lower threshold will qualify for 66% assistance, and those meeting the higher threshold will qualify for 94.
Environmental Exposure: Human exposure to pollutants originating from facility emissions. Threshold levels are not necessarily surpassed, ...
When the population is too low, or below a prescribed threshold. In the U.S., overfished populations are required to be managed under rebuilding plans that, over time, return the population to optimal levels.
Pelagic ...
Human exposure to pollutants originating from facility emissions. Threshold levels are not necessarily surpassed, but low level chronic pollutant exposure is one of the most common forms of environmental exposure. See Threshold Level.
General Reporting Facility- A facility having one or more hazardous chemicals above the 10,000 pound threshold for planning quantities. Such facilities must file MSDS and emergency inventory information with the SERC, LEPC, and local fire departments.
Obligated Company is one that has packaging that exceeds thresholds set by the Packaging Regulations, and so must register with the Agency to reduce the waste from that packaging.
Major Source: A stationary facility that emits a regulated pollutant in an amount exceeding the threshold level depending on the location of the facility and attainment with regard to air quality status. (See Source.) ...
C6 : Results in limited wrist control, and complete loss of hand function.
C7 and T1 : Results in lack of dexterity in the hands and fingers, but allows for limited use of arms. C7 is generally the threshold level for retaining functional ...
 See also: Water, Environment, Environmental, Air, Waste
  
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