Thermal Pollution
The addition of heat to a body of water that may change
the ecological balance
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Threshold Limit Value (TLV)
The concentration of an airborne substance to which
an average person can be repeatedly exposed without adverse effects.
TLVs may be expressed in three ways:
- TLV-TWA-Time-weighted average, based on an allowable exposure
averaged over a normal 8-hour workday or 40-hour workweek.
- TLV-STEL-Short-term exposure limit, or maximum concentration for
a brief specified period of time, depending on a specific chemical
(TWA must still be met).
- TLV-C-Ceiling exposure limit, or maximum exposure concentration
not to be exceeded under any circumstances (TWA must still be met).
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Tipping Fee
Charge for the unloading or dumping of waste at a recycling
facility, composting facility, landfill, transfer station or waste-to-energy
facility.
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TLV
See "Threshold Limit Value."
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Total Volatile Organic Compounds
The total mass,
typically in milligrams per cubic meter, of
the organic compounds collected in air.
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Toxic
Capable of having an adverse
effect on an organism; poisonous; harmful or deadly.
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TVOC:
See "Total Volatile
Organic Compounds."
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