The concentration is calculated on the volume of water that is in the well. The concentration must be at least 200 milligrams of chlorine per litre of water present in the well and must be left in the well for at least 12 hours to ensure any bacteria present are.
idles; idled; idling. Learner's definition of IDLE. 1. of an engine or vehicle: to run without being connected for doing useful work. [no object]. She left the engine idling for a few seconds before she turned it off. The cars idled in traffic.
automatically shuts the engine down after five minutes of continuous idling or to certify the engine to an oxides of. nitrogen (NOx) idling emission standard of 30 grams per hour. The E-Series 6.0L diesel engine does not incorporate idle shut-down capability. The 2008 calendar year E-Series. diesel-engine vehicles, as manufactured by Ford Motor Company to be sold as California emission labeled vehicles. in California Emissions States, are either under 14,000 lb.