Microsoft Word - WaterChemistry

441 RESIDUAL DISINFECTION PROTECTION: A required level of disinfectant that remains in treated water to ensure disinfection prot ...

442 SCADA: A remote method of monitoring pumps and equipment. 130 degrees F is the maximum temperature that transmitting equipme ...

443 SLUDGE REDUCTION: Organic polymers are used to reduce the quantity of sludge. If a plant produces a large volume of sludge, ...

444 SUBSTANCE: Material with definite chemical composition. SULFATE: Will readily dissolve in water to form an anion. Sulfate is ...

445 TDS-TOTAL DISSOLVED SOLIDS: An expression for the combined content of all inorganic and organic substances contained in a li ...

446 TRANSITION METAL: Elements that have incomplete d sub-shells, but also may be referred to as the d-block elements. TRANSURAN ...

447 VAPOR PRESSURE: Pressure of vapor over a liquid at equilibrium. VAPOR: When a substance is below the critical temperature wh ...

448 under normal conditions can be considered volatile by this EPA definition. The term may refer both to well characterized org ...

449 ZONE MELTING: A way to remove impurities from an element by melting it and slowly travel down an ingot (cast). ZWITTERION: I ...

450 ...

451 Common Water Quality and Sampling Statements All of these suggestions are not official law, please double check with your st ...

452 To convert to PPM, you would first need to know the density of the substance, and the density of what the substance is in. ...

453 Repeat Sample: Short answer... Samples collected following a ‘coliform present’ routine sample. The number of repeat sample ...

454 What do the following terms mean in relation to drinking water quality: disinfection, pathogenic, toxic, pH, aesthetic, cul ...

455 Total coliform, fecal coliform, and E. coli are all indicators of drinking water quality. The total coliform group is a larg ...

456 The log of 10 in the base 10 logarithmic system is 1 and the log of 100 is 2, with the log of 1000 being 3, etc. A 1-log red ...

457 Simple Math Conversion Factors 1 PSI = 2.31 Feet of Water LENGTH 1 Foot of Water = .433 PSI 12 Inches = 1 Foot 1.13 Feet of ...

458 PERCENT EFFICIENCY = In – Out X 100 In TEMPERATURE:^0 F = (^0 C X 9/5) + 32 9/5 =1.8 0 C = (^0 F - 32) X 5/9 5/9 = .555 CONC ...

459 INJURY FREQUENCY RATE = (Number of Injuries) 1,000,000 Number of hours worked per year DETENTION TIME (hrs) = Volume of Basi ...

460 FILTRATION FILTRATION RATE = Flow Rate (gpm) (gpm/sq. ft) Surface Area (sq. ft) BACKWASH PUMPING RATE = Filter Area (sq. ft) ...