[Report 1954] / Medical Officer of Health and Sanitary / Public Health Inspector, Peterborough City.

  • Peterborough (England). City Council. nr 94004832.
Date:
1954
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1954] / Medical Officer of Health and Sanitary / Public Health Inspector, Peterborough City. Source: Wellcome Collection.

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    -18- use and dairy purposes. The chlorine dosage of 0.3 part per million should be an ample safeguard of the bacterial purity of the water passing into public supply. Wilsthorpe. At the time of sampling this water was of suit¬ able bacterial and chemical quality for human consumption, domestic use and dairy purposes,The chlorine dosage of 0.4 part per million should be an ample safeguard of the bacterial purity of the water passing into public supply. XI~ Etton:- Water taken from Etton Station at 2.30 p.m.9th.Dec.1954 Wilsthorpe:- Water taken from tap in Ohlorinator House at 4.0 p.m. 9th. December 1954. This water contains per million parts:- Etton 80°F 400.00 absent 28.40 absent absent 0.004 0.004 245.00 55.00 0.040 7.10 clear & bright none normal absent absent Wilsthorpe 480.00 absent 28.40 1.62 absent 0.004 0.004 225.00 147.00 Total Solids dried at 180°C. Suspended Matter Chlorides as chlorine Oxidised Nitrogen as nitrate Oxidised Nitrogen as nitrite Free and saline Ammonia Albuminoid Ammonia Temporary Hardness Permanent Hardness Oxygen absorbed in 4 hrs. from N/80 KMn04 pH value Appearance Odour Taste & Colour Heavy Metals Free Chlorine No. of colonies developing per on agar at 21°C in 72 hrs. No. of colonics developing per on agar at 37^0. in 24 hrs. No. of colonies developing per on agar at 37°C. in 48 hrs. Goli-aerogenes count per 100 mis. at 37°C. in 48 hrs. Faecal coli count per 100 mis. at 44°C. in 48 hrs. Bacillus Coli (Presumptive) Absent Observations:- -Etton:- At the time of sampling this water was of suitable bacterial and chemical quality for human consumption ,domestic use and dairy purposes. The chlorine dosage of 0.3 per million should be an ample safeguard of the bacterial purity of the water passing into public supply. Wilsthorpe:-This water shewed a big deterioration in bacterial quality by comparison with the examination made in November. Coliform organisms were present in 5 mils; the chlorine dosage of 0.4 part per million should be ample to maintain the waters of suitable bacterial quality for public supply and this is shown by the analyses of the water taken in the city. ml, ml, ml 0 0 0 0.120 7.00 clear & bright none normal absent absent 0 in 100 mis 28 50 25 Present in 5mls Reports on Examinations of Treated Waters. I 1. Kitchen tap,3,Broadway Gardens,Peterboroughf 2. Co-operative Society, 609,Lincoln Road,opp:Triangle, New England. 3. Cloakroom,City Engineer’s Dept.,Town Hall.Peterborough Taken on 10th..Tune 1954.