Water Works Practice: A Manual Issued by the American Water Works AssociationWilliams & Wilkins, 1925 - 790 pages |
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Page 11
... organisms , so far as known , breed only in the bodies of infected persons , whence they are discharged in the feces and urine . Unless these discharged organisms get back into the human body the line is broken . Water is one of the ...
... organisms , so far as known , breed only in the bodies of infected persons , whence they are discharged in the feces and urine . Unless these discharged organisms get back into the human body the line is broken . Water is one of the ...
Page 27
... organisms . In establishing a standard for raw waters all conditions affecting the ease of purification and the probable degree of infectiousness of the unpurified water must be considered . List of publications of the International ...
... organisms . In establishing a standard for raw waters all conditions affecting the ease of purification and the probable degree of infectiousness of the unpurified water must be considered . List of publications of the International ...
Page 115
... organisms of the bacillus coli group when tested as follows : a . Five 10 cc . portions of each sample tested shall be planted , 1 The Standard adopted by the Treasury Department for Drinking Water Supplied to the Public by Common ...
... organisms of the bacillus coli group when tested as follows : a . Five 10 cc . portions of each sample tested shall be planted , 1 The Standard adopted by the Treasury Department for Drinking Water Supplied to the Public by Common ...
Page 116
... organisms of the B. coli group . Formation of gas in fermentation tube containing original sample of water ( a ) . Development of acid - forming colonies on lactose litmus agar plates or bright red colonies on Endo's medium plates ...
... organisms of the B. coli group . Formation of gas in fermentation tube containing original sample of water ( a ) . Development of acid - forming colonies on lactose litmus agar plates or bright red colonies on Endo's medium plates ...
Page 127
... organisms of the B. coli group . 2. Occasionally three or more of the five equal ( 10 cc . ) portions constituting a single standard sample may show the presence of B. coli . This shall not be allowable if it occurs in more than- a ...
... organisms of the B. coli group . 2. Occasionally three or more of the five equal ( 10 cc . ) portions constituting a single standard sample may show the presence of B. coli . This shall not be allowable if it occurs in more than- a ...
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Common terms and phrases
aeration amount annual applied assessed average bacteria basins Board buildings capita Capital stock carbon cast iron cent charge chemical chlorine cities coagulation coli Commission connection consumption Contractor corrosion cost Deficiency Scale depreciation determined diameter distribution system effect efficiency electrolysis engine equipment feet filter capacity filtered water filtration fire flow fire protection service gallons goiter hose hydrant inches inches inches increase installed iodin Item less lime limits material maximum metal meter method million gallons municipal necessary operation organisms oxygen pipe plant pollution pounds pressure public fire pumping purification quantity rapid sand filters records removal reservoirs revenue RPI RPI sample sand filters sanitary sieves slow sand filters soda ash sodium iodide square standard storage streams structures surface tests tion tube boilers turbidity typhoid fever United usually valves wastes Water Company water supply water tube boilers watershed
Popular passages
Page 521 - Before coming to the question of profit at all the company is entitled to earn a sufficient sum annually to provide not only for current repairs but for making good the depreciation and replacing the parts of the property when they come to the end of their life.
Page 45 - He has the right to have it come to him in its natural state, in flow, quantity and quality, and to go from him without obstruction; upon the same principle that he is entitled to the support of his neighbour's soil for his own in its natural state. His right in no way depends upon prescription, or the presumed grant of his neighbour.
Page 654 - F. immediately before it is dipped, and shall possess not less than this temperature at the time it is put in the vat. The ovens in which the pipes are heated shall be so arranged that all portions of the pipe shall be heated to an even temperature. Each casting shall remain in the bath at least five minutes. The varnish shall be heated to a temperature of 300° F.
Page xx - e might require, 'E went an' took — the same as me! The market-girls an' fishermen, The shepherds an' the sailors, too, They 'eard old songs turn up again, But kep' it quiet — same as you! They knew 'e stole; 'e knew they knowed. They didn't tell, nor make a fuss, But winked at 'Omer down the road, An' 'e winked back — the same as us!
Page 722 - ... at which time, if the unpaid balance of the amount to be paid under this contract shall exceed the expense incurred by the Owner...
Page 18 - Interstate quarantine service: For cooperation with State and municipal health authorities in the prevention of the spread of contagious and infectious diseases in interstate traffic, $25,000.
Page 32 - Water is a necessity of life, and one who undertakes to trade in it and supply customers stands in no different position to those with whom he deals than does a dealer in foodstuffs. He is bound to use reasonable care that whatever is supplied for food or drink shall be ordinarily and reasonably pure and wholesome.
Page 522 - The Company is not bound to see its property gradually waste, without making provision out of earnings for its replacement. It is entitled to see that from earnings the value of the property invested is kept unimpaired, so that at the end of any given term of years the original investment remains as it was at the beginning.
Page 717 - Contractor fail to sign the General Conditions, Drawings or Specifications, the Architect shall identify them. The Contract Documents are complementary, and what is called for by any one shall be as binding as if called for by all. The intention of the documents is to include all labor and materials, equipment and transportation necessary for the proper execution of the work.
Page 714 - FOUNTAINS 1. All types of drinking fountains with vertical jets are to be condemned. 2. Most types of drinking fountains with slanting jets are to be condemned. 3. To be sanitary, drinking fountains should conform to the following specifications: a. The jets shall be slanting.