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[6] [10] In early 2003 it purchased a 70% interest in the Cold Lake Pipeline system from Encana for $425 million giving it access to transportation hubs in major cities like Edmonton. [11] In 2004 it paid Williams Companies US$540 million for 3 of Canada's biggest natural gas treatment plants (which processed a combined 3.9 billion ft 3 per day ...
Alternative pipe materials have been iron, copper, and later plastics. Although new lead pipes weren't installed later in the 20th century, some existing lead pipes remain in service in many cities. The U.S. Public Health Service published a non-enforceable standard for lead in 1925, consisting of a tolerance limit of 0.1 mg/L. [6] [7]
Hydraulic fracturing uses between 1.2 and 3.5 million US gallons (4,500 and 13,200 m 3) of water per well, with large projects using up to 5 million US gallons (19,000 m 3). [171] Additional water is used when wells are refractured. [75] [172] An average well requires 3 to 8 million US gallons (11,000 to 30,000 m 3) of water over its lifetime. [67]
For example, 1 / 4 , 5 / 6 , and −101 / 100 are all irreducible fractions. On the other hand, 2 / 4 is reducible since it is equal in value to 1 / 2 , and the numerator of 1 / 2 is less than the numerator of 2 / 4 . A fraction that is reducible can be reduced by dividing both the numerator ...
This was equivalent to about 10% of the estimated 1,700 billion barrels (270 × 10 ^ 9 m 3) of bitumen-in-place. [2] Alberta estimated that the Athabasca deposits alone contain 35 billion barrels (5.6 × 10 ^ 9 m 3) of surface mineable bitumen and 98 billion barrels (15.6 × 10 ^ 9 m 3) of bitumen recoverable by in-situ methods.
In homes with copper pipes, the median water lead level dropped from 3.0 micrograms per liter (μg/L) to <1 μg/L; galvanized steel service lines dropped from a median water lead level of 7.2 μg/L to 1.9 μg/L, and lead service lines dropped from a median water lead level of 9.9 μg/L to 2.3 μg/L. [172] 1 μg/L is equivalent to 1 part per ...
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Both are typically obtained from the light gas oil cut. The name gasoil refers to the original use of this fraction in the late 19th and early 20th centuries—the gas oil cut was used as an enriching agent for carbureted water gas manufacture. [7] Number 3 fuel oil was a distillate oil for burners requiring low-viscosity fuel. ASTM merged this ...