Public Documents of Massachusetts, 4±Ç1897 |
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xxix ÆäÀÌÁö
... sand examined chemically and bacterially at the Lawrence Experiment Station , Number of samples of sand examined mechanically at the Lawrence Experiment Station , Additional samples examined bacterially at the Lawrence Experiment ...
... sand examined chemically and bacterially at the Lawrence Experiment Station , Number of samples of sand examined mechanically at the Lawrence Experiment Station , Additional samples examined bacterially at the Lawrence Experiment ...
l ÆäÀÌÁö
... sand - catcher , and all matters that may clog the pumps . In some mechanical and manufacturing processes a considerable portion of the water used may not be fouled to an appreciable ex- tent , and such water should not be discharged ...
... sand - catcher , and all matters that may clog the pumps . In some mechanical and manufacturing processes a considerable portion of the water used may not be fouled to an appreciable ex- tent , and such water should not be discharged ...
lxiv ÆäÀÌÁö
... sand filters . It is advisable , however , to remove by sedimentation from the factory effluent , before it reaches the filter , so much of the sludge contained therein as is possible . This sludge can be removed from the sewage by ...
... sand filters . It is advisable , however , to remove by sedimentation from the factory effluent , before it reaches the filter , so much of the sludge contained therein as is possible . This sludge can be removed from the sewage by ...
5 ÆäÀÌÁö
... sand , and the sewage of several large public institutions also is disposed of by this method . References have frequently been made in these reports to the presence of iron in ground waters , and its effect upon the quality of water ...
... sand , and the sewage of several large public institutions also is disposed of by this method . References have frequently been made in these reports to the presence of iron in ground waters , and its effect upon the quality of water ...
28 ÆäÀÌÁö
... sand or gravel was found from which water could be obtained with freedom . The tests made on the westerly shore of the pond were some- what more favorable , and a sample of water collected by you from one of the wells was found to be ...
... sand or gravel was found from which water could be obtained with freedom . The tests made on the westerly shore of the pond were some- what more favorable , and a sample of water collected by you from one of the wells was found to be ...
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acre daily Albuminoid Alg©¡ 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 Diatomace©¡ 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 Zoögl©¡a
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xlviii ÆäÀÌÁö - 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 ÆäÀÌÁö - 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 ÆäÀÌÁö - ... 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 ÆäÀÌÁö - 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 ÆäÀÌÁö - ... 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 ÆäÀÌÁö - 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 ÆäÀÌÁö - 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 ÆäÀÌÁö - 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 ÆäÀÌÁö - 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.