[Report 1945] / Medical Officer of Health, Liskeard R.D.C.

  • Liskeard (England). Rural District Council.
Date:
1945
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1945] / Medical Officer of Health, Liskeard R.D.C. Source: Wellcome Collection.

    15/20 (page 13)
    366, City Road, London, E.C.l. 9th April, 1945. Liskeard Rural District Council. Sirs,—-We beg to state that we have examined the undermentioned Sample of Water received from Mr. G. Rogers on the 5th instant, and find the following results, viz :— Public Standpipe, St. Neot. (Spring Water) Chlorine ... Nitrogen (in nitrates) Nitrogen (in nitrites) Ammonia, free ... Ammonia, albuminoid ... Oxygen absorbed from) in 15 minutes permanganate at 80° F.f in 4 hours ... Total solid matter in solution ... Solid matter reduced by ignition to :— Hardness (in terms of Calcium Carbonate) Poisonous metals (lead and copper) 1.05 grains per gallon. Traces Absent .0007 .0032 .001 .005 4.0 2.6 2.5 Absent. Good colour ; clear Appearance in 2 feet tube :— ... From the above analysis we consider this water quite suitable for drinking and all other domestic purposes. The water is very soft and has a slightly acid reaction. Benedict Kitto & Sons. The Laboratory, Analysis of a Sample of Received on Marked 10, Billiter Square, London, E.C.3. 10th April, 1945. Water. 5th April, 1945. St. Neot. Total number of organisms growing on agar at 22 C. ... 28 per Total number of organisms growing on agar at 37 C. ... 8 „ Number of Coli-aerogenes bacteria per 100 ml. ... none B. Welchii ... none Streptococci absent Free Chlorine absent These are quite good results. The water is in a satisfactory condition bacteriologically.