Barrel (unit) continued to use the same size barrels. In the worldwide oil industry, an oil barrel is defined as 42 US gallons, which is about litres or 35 imperial gallons. Oil companies that are listed on American stock exchanges typically report their production in terms of volume and use the units of bbl, Mbbl (one thousand barrels), or MMbbl (one million barrels) and occasionally for widest comprehensive statistics the Gbbl (or sometimes Gbl) denoting a billion. There is a conflict concerning the units for oil barrels (see ). For all other physical quantities, according to the International System of Units, the
Imperial Oil (Superfund site) removed over 20,000 gallons of PCB-contaminated oil. In 1998, EPA excavated and disposed of 6,488 cubic yards of contaminated soil (roughly equivalent to one football field, covered one yard deep) from four nearby residences. NJDEP completed a study determining the full nature and extent of the contamination. The cleanup plan calls for the excavation and off-site disposal of contaminated soil and removal and off-site incineration of floating product; dismantling buildings and tank farms needed to complete the soil excavation; and restoring wetlands. In 2004, NJDEP excavated and disposed of 14,889 cubic yards of contaminated soil and sediment from the Birch