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TON. Twenty hundred weight, each hundred weight being one hundred and twelve pounds avoirdupois. See act of congress of Aug. 30, 1842, c. 270, s. 20.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
There is currently a Memorandum of Understanding between the auto industry and the federal government, with a target of 5.3 megatonnes of GHG emissions reductions in 2010.
An estimated 20 Megatonnes of C[O.sub.2] will be injected over the project life (Moberg et al., 2003).
Residential Residential energy - PJ GHG - Mt Space heating 873 45 Water heating 312 17 Space cooling 18 1 Lights / electrical 255 16 Total 1,458 80 Green Heat potential 83% 80% C/I C/I energy - PJ GHG - Mt Space heating 644 36 Water heating 76 4 Space cooling 73 5 Lights / electrical 387 25 Total 1,180 69 Green Heat potential 67% 64% Mt = megatonne PJ = PetaJoule
Without any human intervention, the total biomass in the Labrador forest was approximately 424 megatonnes of carbon, depending on forest fire activity.
Were the 'current rate of reduction' kept to over this time then the entire 'budget' of 126 megatonnes will have been used up within six years.
In spite of that, 10 megatonnes of food go to waste in the UK every year, says Brewer.
A source in the defense industry earlier told TASS that the Poseidon drone being developed in Russia would be capable of carrying a nuclear warhead with a yield of up to 2 megatonnes to destroy enemy naval bases.
Canada's energy sector, comprising stationary combustion, transport and fugitive emission sources, produced the majority of Canada's total GHG emissions in 2013, at 81% or 588 megatonnes. The remaining emissions were largely generated by sources within the agriculture sector (8% of total emissions), industrial processes and product use sector (7%), and the waste sector (3%), See Environment and Climate Change Canada, "Canada's Second Biennial Report on Climate Change", (Ottawa: ECCC, 2016) at 4, online: < >.
The setting for this debate is the Paris Climate Accord under which, shortly after they won the 2015 general election, the Liberals committed Canada to reduce annual GHG emissions to 30 per cent below 2005 levels by 2030 (from 740 to 520 megatonnes of C[O.sub.2] equivalent.) The first of the three position papers is by Andrew Leach, who has been central in defining Alberta's strategy in the federal-provincial negotiations following Canada's commitment under the Accord.
The proposed 1,050MW plant will emit as much as 8.8 megatonnes of carbondioxide per year, they noted.