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Definitions for "Parts per trillion"
Keywords:  ppt, trillion, nanogram, tce, trichloroethylene
Related Terms: Ppt, Parts per billion, Ppb, Parts per million, Micrograms per liter, Milligrams per liter, Part per million, Ppm , Mg/l, P.p.m, Grains per gallon, Gpg, Infiltration rate, Application rate, Concentration, Filtration rate, Gpd, Flow , Flow rate, Gallons per minute, Cubic feet per second, Gpm , Million gallons per day, Milligrams per cubic meter, Discharge, Oligohaline, Tera, Giga, Megalitre, Pump capacity, Specific capacity, Mega, Peta, Perm, Flux , Salinity, Corrosion rate, Mg/m3, Trillion, Saline water, Chlorinity, Teraflops, G/l, Rate of flow, Yield, Kilo, Gigahertz, Turnover rate, Precipitation rate, Gigaflop
Number of parts of a chemical found in 1 trillion parts of a particular gas, liquid, or solid.
geowords.org
Compare? One ppt is comparable to one drop in a swimming pool covering the area of a football field 43 ft. deep.
iaspub.epa.gov
Units commonly used to express low concentrations of contaminants. For example, 1 ounce of trichloroethylene (TCE) in 1 million ounces of water is 1 ppm. 1 ounce of TCE in 1 trillion ounces of water is 1 ppt.
atsdr.cdc.gov
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