Public Documents of Massachusetts, 4권1897 |
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79개의 결과 중 6 - 10개
liii 페이지
... sewage produced by Salem and Peabody is estimated at 6,250,000 gallons per day , and the estimate for maintenance is based upon a quantity of sewage equivalent to 10,000,000 gallons per day , which may represent the average quantity of ...
... sewage produced by Salem and Peabody is estimated at 6,250,000 gallons per day , and the estimate for maintenance is based upon a quantity of sewage equivalent to 10,000,000 gallons per day , which may represent the average quantity of ...
lxiv 페이지
... sewage by means of a settling basin of moderate dimensions , and , as it contains much more nitrogen than ordinary sewage , could probably be readily disposed of . For the present , at least , the sparsely settled districts adjoining ...
... sewage by means of a settling basin of moderate dimensions , and , as it contains much more nitrogen than ordinary sewage , could probably be readily disposed of . For the present , at least , the sparsely settled districts adjoining ...
4 페이지
... sewage and effluent from sewage disposal works have been continued during the year , 2,399 samples having been exam- ined . The following is a classified list of the waters examined during the year : - TABLE I. From open and covered ...
... sewage and effluent from sewage disposal works have been continued during the year , 2,399 samples having been exam- ined . The following is a classified list of the waters examined during the year : - TABLE I. From open and covered ...
6 페이지
... sewage entered it from the buildings upon the grounds . Summer resorts of this kind have become quite numerous in the State , especially in recent years , with the extension of electric rail- roads ; and , in view of the bad sanitary ...
... sewage entered it from the buildings upon the grounds . Summer resorts of this kind have become quite numerous in the State , especially in recent years , with the extension of electric rail- roads ; and , in view of the bad sanitary ...
7 페이지
... sewage should be applied to an ordinary sewage filter directly as it comes from the factory . Ordinary methods of chem- ical precipitation also have little effect upon some kinds of manu- facturing sewage . A summary of the results of ...
... sewage should be applied to an ordinary sewage filter directly as it comes from the factory . Ordinary methods of chem- ical precipitation also have little effect upon some kinds of manu- facturing sewage . A summary of the results of ...
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acre daily Albuminoid Algæ AMMONIA analyses of 1896 Antitoxin APPEARANCE applied Asterionella bacilli Bacteria Bacteria per Cubic Board of Health Board replied BOSTON Brook cent Chemical Examination Chlorine clayey Color Cons Crustacea cubic centimeter cubic centimeter found Date of Collection Day of examination Diatomaceæ Dinobryon diphtheria Distinct distinctly vegetable earthy effluent Euglena Examination of Water faintly vegetable faucet feet filtration gallons per acre inches Infusoria insignificant number July July 27 Melosira Merrimack River Microscopical Examination milky minoid mouldy Nitrites NITROGEN NITROGEN AS Albuminoid NOTE to analyses number of bacteria number of organisms Number of sample Odor organisms per cubic Oxygen Consumed Peridinium Pond Protococcus pumping station Raphidium reservoir RESIDUE ON EVAPORA Rhizopoda River Rotifer sample was collected samples were collected sand Sediment Sept sewage sewer Slight SUDBURY RIVER surface Synedra Tabellaria TION town Trachelomonas Turbidity V.slight Vermes water supply Zoöglæa
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xlviii 페이지 - Resolved, That there be allowed and paid out of the treasury of the Commonwealth a sum not exceeding one thousand dollars, to be expended...
xlii 페이지 - The following summary gives the results of the replies to the second question, relative to its comparative prevalence in the five years (1890-94) : — Total Reported Cases, by Years. Prevalence, by Towns (1890-94). Nearly ninety per cent, of the reported cases occurred during the months of May, June, July, August, September and October. In regard to the condition of the land near the river, Dr.
lxiv 페이지 - ... in the valley, which have been from time to time collected, indicate a general belief on the part of the medical profession that the conditions affecting health here are more unfavorable than they formerly were. The valley of the Neponset River has twice before been the subject of extended examinations by the State authorities, — first by the State Board of Health in 1875, and subsequently by the Massachusetts Drainage Commission in 1885. In addition to these examinations, a description of...
835 페이지 - In each city and town having a population of more than five thousand inhabitants, as determined by the last census, at least one member of said board shall be a physician, and the board shall send an annual report of the deaths in such town to the state board of health.
15 페이지 - ... and shall receive a certificate thereof as provided in section three. Any person refused registration may be re-examined at any regular meeting of said board, within two years of the time of such refusal, without additional fee, and thereafter...
15 페이지 - Examinations may be made in whole, or in part in writing, and shall be, of an elementary and practical character, but sufficiently strict to test the qualifications of the candidate as a practitioner.
9 페이지 - Health regarding the establishment of systems of water supply, drainage and sewerage," the Board is required "from time to time to consult with and advise the authorities of cities and towns, or with corporations, firms or individuals either already having or intending to introduce systems of water supply, drainage or sewerage, as to the most appropriate source of supply, the best practicable method of assuring the purity thereof or of disposing of their...
872 페이지 - There were 27 deaths from measles during the year. The number of deaths of children under five years of age was 4,055, compared with 3,935 for the previous year, showing an increase of 120 deaths.
480 페이지 - No. 66 has been applied to Filter No. 67, containing 5 feet in depth of sand of an effective size of 0.19 millimeter. The average rate of filtration obtained by this filter has been 608,500 gallons per acre daily. As Filter No. 66 is of twice the area of Filter No. 67, the rate for the combined area has been 203,000 gallons per acre daily. This rate has been maintained with difficulty, tho surface of No.