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This 3-hour PSI is unique to Singapore and was introduced in 1997 to provide additional air quality information which would better reflect a more current air quality situation. [3] In 2016, the 3-hour PSI was phased out on the grounds that the 1-hour PM 2.5 reading was a better indicator of the current air quality.
The transboundary haze crisis in Singapore lasted for approximately 4 days from 20 October to 23 October 2010. [16] During this period, the overall 24-hour Pollutant Standard Index (PSI), recorded by the National Environment Agency (NEA) was mainly in the high-moderate range while the hourly PSI crept into the unhealthy range of 108. [17]
The National Environment Agency is the designated authority coordinating CDMs. It is also spearheading ongoing measures to encourage energy efficiency and lower carbon emissions. In April 2008, NEA launched the 10% Energy Challenge to get households to cut their electricity consumption by at least 10%.
At 4pm on 14 September 2019, the 24-hour Pollutant Standards Index (PSI) entered the "unhealthy" range of above 100 for the first time since 2016, [32] starting from 103 in western Singapore. The PSI steadily climbed up [33] with all parts of Singapore registering "unhealthy" PSI readings at 1am the next day, peaking at 124 from 5am to 8am in ...
In the United States, the hydrocarbon dew point of processed, pipelined natural gas is related to and characterized by the term GPM which is the gallons of liquefiable hydrocarbons contained in 1,000 cubic feet (28 m 3) of natural gas at a stated temperature and pressure.
Government of Singapore: Headquarters: 40 Scotts Road #24-00, Environment Building, Singapore 228231: Motto: Sustainable Singapore: Employees: 4,493 (2018) [1] Annual budget: S$2.75 billion (2019) [1] Ministers responsible
TGOR – total gas oil ratio (GOR uncorrected for gas lift gas present in the production fluid [citation needed]) TH – tubing hanger; THCP – tubing hanger crown plug; Thr/Th# – thruster ('#'- means identification letter/number of the equipment, e.g. thr3 or thr#3 means "thruster no. 3" [citation needed]) THD – tubing head; THERM ...
Yet other definitions are in use for industrial gas, [5] where, in the US, a standard cubic foot for industrial gas use is defined at 70 °F (21.1 °C) and 14.696 psia (101.325 kPa), while in Canada, a standard cubic meter for industrial gas use is defined at 15 °C (59 °F) and 101.325 kPa (14.696 psia).