Free chlorine definition

Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swimming pool water as measured with a DPD (diethyl-p-phenylene diamine) test kit or as measured by another method approved by the department.
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Free chlorine means the residual chlorine existing in water as the sum of hypochlorous acid and hypochlorite ion.
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Free chlorine means that portion of the total chlorine remaining in chlorinated water that is not combined with ammonia, nitrogen compounds, or other compounds and will react chemically with undesirable or pathogenic organisms.
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Examples of Free chlorine in a sentence

  • Free chlorine residuals may be measured continuously by adapting a specified chlorine residual method for use with a continuous monitoring instrument, provided the chemistry, accuracy, and precision remain the same.

  • Disinfection – Free chlorine residual shall be 1 milligram per liter (mg/L) to 10 mg/L, inclusive, in conventional swimming pools and 2 mg/L to 10 mg/L, inclusive, in all other type pools such as spa-type pools and interactive water fountains; bromine residual shall be 1.5 mg/L to 10 mg/L, inclusive, in conventional swimming pools and 3 mg/L to 10 mg/L, inclusive, in all other type pools.

  • Example: Free chlorine with the purchase of a Covered Product, or one price for bundle of products, including a Covered Product.

  • Role models, on the other hand, are models to be copied: ideals and exemplary models, which then are mimicked.

  • Free chlorine is directly toxic to aquatic organisms and can react with naturally occurring organic compounds in receiving waters to form toxic compounds such as trihalomethane.

  • Free chlorine residual in drinking water is important in providing lasting protection in water distribution systems.

  • Free chlorine, combined chlorine, bromine, and pH values shall be continuously maintained within the ranges specified in N.J.A.C. 8:26 Appendix C.

  • Free chlorine levels should be maintained per the Water Chemistry Guide.A defoamer may be used when excessive foaming occurs.

  • Free chlorine or total chlorine may be measured for demonstrating compliance with the chlorine MRDL and combined chlorine, or total chlorine may be measured for demonstrating compliance with the chloramine MRDL.

  • Free chlorine, combined chlorine, bromine, and pH values shall be continuously maintained within the ranges specified in N.J.A.C. 8:26 Appendix D.


More Definitions of Free chlorine

Free chlorine means the portion of total chlorine that is not combined chlorine and
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Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swim- ming pool water.
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Free chlorine means chlorine, excluding combined chlorine, that remains in water after disinfection has occurred.
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Free chlorine means the concentration of hypochlorous acid and hypochlorite ion in the swimming pool water.
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Free chlorine means the amount of chlorine available as dissolved gas, hypochlorous acid, or hypochlorite ion that is not combined with an amine or other organic compound;
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Free chlorine means the portion of total chlorine that is not combined chlorine and that is available as HOCl and OCl-. This is the portion of total chlorine that reacts with DPD chlorine test.
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Related to Free chlorine

  • Polychlorinated biphenyls means aromatic compounds formed in such a manner that the hydrogen atoms on the biphenyl molecule (two benzene rings bonded together by a single carbon-carbon bond) may be replaced by up to ten chlorine atoms; and

  • Polystyrene foam means blown polystyrene and expanded and

  • Asbestos means the asbestiform varieties of serpentinite (chrysotile), riebeckite (crocidolite), cummingtonite-grunerite, anthophyllite, and actinolite-tremolite.

  • PCBs means polychlorinated biphenyls.

  • Chemicals means substances applied to forest lands or timber including pesticides, fertilizers, and other forest chemicals.

  • combustible waste means non-biodegradable, non- recyclable, non-reusable, non-hazardous solid waste having minimum calorific value exceeding 1500 kcal/kg and excluding chlorinated materials like plastic, wood pulp, etc.;

  • Low-level radioactive waste or “waste” means radioactive material that consists of or contains class A, B, or C radioactive waste as defined by 10 C.F.R. 61.55, as in effect on January 26, 1983, but does not include waste or material that is any of the following:

  • Radioactive substance means a substance that emits ionizing

  • Radioactive marker means radioactive material placed subsurface or on a structure intended for subsurface use for the purpose of depth determination or direction orientation.

  • Flammable means a chemical that falls into one of the following categories:

  • Expanded polystyrene means blown polystyrene and expanded

  • Explosives (1) means solid, liquid or gaseous substances or mixtures of substances which, in their application as primary, booster, or main charges in warheads, demolition and other applications, are required to detonate.

  • Radioactive waste means any waste which contains radioactive material in concentrations which exceed those listed in 10 CFR Part 20, Appendix B, Table II, Column 2.

  • Putrescible waste means a solid waste that contains organic matter capable of being decomposed by microorganisms so as to cause a malodor, gases, or other offensive conditions, or which is capable of providing food for birds and other vectors. Putrescible wastes may form a contaminated leachate from microbiological degradation, chemical processes, and physical processes. Putrescible waste includes, but is not limited to, garbage, offal, dead animals, general household waste, and commercial waste. All solid wastes which do not meet the definitions of inert or chemical wastes shall be considered putrescible wastes.

  • Fluid means material or substance which flows or moves whether in a semisolid, liquid, sludge, gas, or any other form or state.

  • Radioactive material means any solid, liquid, or gas which emits radiation spontaneously.

  • chemical tanker means a ship constructed or adapted and used for the carriage in bulk of any liquid product listed in chapter 17 of the International Bulk Chemical Code;

  • Chemical agent shall mean any compound which, when suitably disseminated, produces incapacitating, damaging or lethal effects on people, animals, plants or material property.

  • Gasohol means a blended fuel composed of gasoline and fuel grade ethanol.

  • Soft drinks means nonalcoholic beverages that contain natural or artificial sweeteners. "Soft drinks" does not include beverages that contain milk or milk products, soy, rice, or similar milk substitutes, or that contains greater than fifty per cent vegetable or fruit juice by volume.

  • Dielectric material means a material that does not conduct direct electrical current. Dielectric coatings are used to electrically isolate UST systems from the surrounding soils. Dielectric bushings are used to electrically isolate portions of the UST system (e.g., tank from piping).

  • Criteria pollutant means a pollut- ant for which the Administrator has promulgated a national ambient air quality standard pursuant to 42 U.S.C. 7409 (i.e., ozone, lead, sulfur dioxide, particulate matter, carbon monoxide, nitrogen dioxide).

  • Polystyrene foam adhesive means an aerosol adhesive designed to bond polystyrene foam to substrates.

  • Crawling bug insecticide means any insecticide product that is designed for use against ants, cockroaches, or other household crawling arthropods, including, but not limited to, mites, silverfish or spiders. “Crawling Bug Insecticide” does not include products designed to be used exclusively on humans or animals, or any house dust mite product. For the purposes of this definition only:

  • Encapsulation means the application of an encapsulant.

  • explosive actuated fastening device means a tool that is activated by an explosive charge and that is used for driving bolts, nails and similar objects for the purpose of providing fixing;