Microsoft Word - WaterChemistry

421 to the nitrogen atom mass is 4.43. Thus a concentration of 10 mg/L nitrate expressed as nitrogen would be equivalent to a co ...

422 BEST PROFESSIONAL JUDGMENT (BPJ): The method used by a permit writer to develop technology-based limitations on a case-by-ca ...

423 CAUSTIC SODA: Also known as sodium hydroxide and is used to raise pH. CAUSTIC: NaOH (also called Sodium Hydroxide) is a stro ...

424 CHRONIC: A stimulus that lingers or continues for a relatively long period of time, often one-tenth of the life span or more ...

425 CONTACT TIME, pH and LOW TURBIDITY: Factors which are important in providing good disinfection using chlorine. If the water ...

426 DARCY’S LAW: (Q=KIA) A fundamental equation used in the groundwater sciences to determine aquifer characteristics, where Q=F ...

427 rapid movement of groundwater through the interconnected open spaces created by the initial chemical dissolving process. DIS ...

428 ENTROPY: The amount of energy not available for work in a closed thermodynamic system (usually symbolized as S). ENZYME: A p ...

429 FLOC SHEARING: Likely to happen to large floc particles when they reach the flocculation process. FLOC SHEARING: Likely to h ...

430 FREE CHLORINE RESIDUAL: Regardless of whether pre-chloration is practiced or not, a free chlorine residual of at least 10 mg ...

431 hardness of water is the lather/froth test: soap or toothpaste, when agitated, lathers easily in soft water but not in hard ...

432 I IMPELLERS: The semi-open or closed props or blades of a turbine pump that when rotated generate the pumping force. IMPERVI ...

433 Maintaining a free chlorine residual and regular flushing of water mains may control the growth of iron bacteria in a water ...

434 there is no consensus, some studies have even suggested that lime softening is effective at removal of Giardia. Hard water i ...

435 table can be termed either a metal or a nonmetal. A few elements with intermediate properties are, however, referred to as m ...

436 MYCOTOXIN: A toxin produced by a fungus. N NaOCl: Is the molecular formula of Sodium hypochlorite. NaOH: Is the molecular fo ...

437 NTU (Nephelometric turbidity unit): A measure of the clarity or cloudiness of water. NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY ...

438 broad range of compounds. Jar tests and threshold odor number testing determines the application rate for powdered activated ...

439 change in the electronic orbital patterns of the species involved. The term van der Waals adsorption is synonymous with phys ...

440 disease. Protozoa must be removed from drinking water by filtration, because they cannot be effectively killed by chlorine. ...