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(7478) Incipient lethal level
That level of a toxic substance beyond which 50 per cent of a population of organisms cannot live for an indefinite period of time. Incipient lethal levels denote threshold concentrations.
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Dictionary - Levels of Capacity Development Terms
- Level of significance, or Significance level
- Critical region - Significance level
- Confidence coefficient, or Confidence level
- Acceptable quality level
- Infiltration capacity
- Evaporativity, Evaporative capacity, Evaporation power, Potential rate of evaporation, or Evaporation potential
- Channel capacity
- Artesian capacity
- Field capacity, Normal field capacity, Normal moisture capacity, Maximum field carrying capacity, Field capillary (moisture) capacity, Effective water-holding capacity, Specific retention
- Overdevelopment
- Water-stage recorder, or Water-level recorder
- Liquid-level recorder, or Stage recorder
- Heat capacity, Entropy
- Specific heat capacity
- Specific level
- Aggradation of levels, or Accretion of levels
- Retrogression of levels
- Degradation, or Degradation of levels
- Low level groyne, Bed groyne, or Sedimentary groyne
- Transportation capacity
- Air capacity of soil
- Exchange capacity, Cation exchange capacity, Base exchange capacity, or Saturation capacity
- Buffering capacity
- Moisture-holding capacity, Saturation capacity or Maximum water capacity
- Field capacity
- Available moisture capacity
- Tidal water level
- Mean tide level, or Half-tide level
- Mean sea level (MSL)
- Pond, or Pool level
- Dead storage capacity, or Dead storage
- Reservoir capacity, Gross capacity reservoir, Gross storage, or Storage capacity
- Capacity curve
- Maximum water level
- Retention water level, Top water level, Normal top water level, Full supply level, or Normal water level
- Exceptional water level, or Abnormal water level
- Minimum reservoir level, or Maximum draw down level
- Minimum operating level
- Dead storage level
- Normal water surface elevation, Normal water level, Conservation water level, Storage level, Normal pool level, or Conservation storage level
- Top of the dam, or Crest level of the dam
- Ultimate bearing capacity
- Free level tunnel, or Free flow tunnel
- Transportation capacity
- Maximum flow line, Full supply line, Designed maximum flow line, Designed full supply level, Actual maximum flow line, or Actual full supply line
- Maximum level of normal operation
- Maximum level of emergency operation
- Capacity statement
- Water level diagram
- Natural surface level, or Ground levels
- Full supply level
- Bed level
- Constant upstream level offtake regulator
- Constant downstream level offtake regulator
- Disc-valve constant level offtake regulator, Disk-valve constant level regulator (farm) outlet
- Constant downstream level gates
- Constant upstream level gates
- Mixed water levels control gate
- Optimum capacity of an outlet, Optimum farm stream
- Constant upstream level outlet, or Constant upstream level farm turnout
- Level crossing, or Level drainage device
- Duty on capacity, or Full supply duty
- Constant upstream level gate
- Constant downstream level gate
- Rural Development
- Inverted capacity
- Standing level (in a well)
- Static level, or Hydrostatic level
- Dynamic level
- Capacity of a well
- Artesian-well capacity, or Capacity of artesian well
- Specific capacity of a well
- Tested capacity
- Head-capacity curve for a well
- Field head-capacity curve for pump
- Well development
- Escaping capacity
- Levelling, or Grading
- Laser leveling
- Levelling equipment
- Drag scraper, Leveling drag scraper, or Blade scraper
- Crop development stage
- Initial development stage
- Level of supply
- Performance level of a collective system
- Level of satisfaction of the water requirement of users
- Natural drainage or Natural drainage capacity
- Levelling, or Grading
- Drain capacity
- Field capacity, Field moisture capacity, Normal field capacity, Normal capacity, Capillary capacity, Maximum field carrying capacity, Field capillary (moisture) capacity, Effective water holding capacity
- Piezometric level
- Storage capacity
- Sand-carrying capacity (lime mortar)
- Full capacity dial
- Related level control
- Hydraulic filter level offset, or HyFLO
- Electronic filter level offset, or El-FLO
- Water level control system (pumps)
- Irrigation development project or system
- Development corporation
- Base level of erosion
- Differential water capacity
- Level terrace
- Carrying capacity
- Trophic level
- Eco‑development
- Background level
- Assimilative capacity
- Acceptance capacity
- Incipient lethal level
- Threshold level, Critical level
- Maximum contaminant level
- Maximum permissible level
- Cation exchange capacity
- Base exchange capacity
- Adaptive Capacity
- Capacity building
- Coping capacity
- Risk management capacity
- Flood meter, or Water level gauge
- Flood stage, or Flood level
- Overflowing, or Overtopping by high water level
- Design flood level
- Alarm level, Danger level, or Warning stage
- Storage capacity
- High-level language (HLL)
- Higher level system
- Project, Scheme, Water project, or Water resources development project
- Integrated river basin development
- Unified river basin development
- Optimum plan of development
- Development farm
- Community development
- Multi-annual storage, or Multi-annual storage capacity
- Phases of water resources development
- Vertical control, or Level control
- Development period
- Price levels
- Level of living
- Detailed integrated river basin development report, or Basin report
- Development project
- Capacity, capacity development, capacity building
- Sea-Level Rise
