[Report 1937] / Medical Officer of Health, Cork County Borough.

  • Cork (Ireland). County Borough Council.
Date:
1937
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1937] / Medical Officer of Health, Cork County Borough. Source: Wellcome Collection.

    107/196 (page 87)
    Table 66.—Comparative results of examinations of tap water made during each of the years from 1928 to 1937. Total number of samples examined BACIL LUS COLI TEST. Year 100 c.c’s — ive 100 c.c’s + ive 50 c.c’s +ive 10 c.c’s + ive 1 c.c. -five 1928 245 187 (76.3%) 10 (4.0%) 32 (13.1%) 14 (5.7%) 2 (0.8%) 1929 251 153 (60.9% 1 44 (17.5%) 40 (15.9%) 9 (3.6%) 5 (2.0%) 1930 268 216 (80.6%) 15 (5.6%) 14 (5.6%) 13 (4-6%) 10 (3-7%) 1931 260 242 (93.0%) 9 (3.5%) 9 (3.5%) — — 1932 260 245 (94.2%) 3 (1-2%) 12 (4.6%) — — 1933 253 244 (96.4%) 4 (1-6%) 4 (1-6%) 1 (0.4%) — 1934 261 249 (95.4%) 4 (1-5%) 6 (2.3%) 2 (0.8%) — 1935 252 235 (93.2%) 3 (1.2%) 7 (2.8%) 5 (2%) 2 (0.8%) 1936 252 244 (96.8%) 2 (0.8%) 5 (2%) 1 (0-4%) — 1937 253 oqk (92.9%) 11 (4-3%) 6 (2-4%) 0 1 (0.4%) .Appended herewith a brief report from Dr. O’Donovan in connection with the bacteriological examinations made by him during the year. The filtration and chlorination as shown by the B. Coli test and bacteriological ta^at ThTrit^H Untlyi !ff?C?iVe- uncountable plate culture from the SS.p‘4 t££u“!m y 18 excIuded- TWs w“ <“d™btediy»»i» (whJhhnr.!vwLtriim *<*“ from ‘ho tap in Vicar Street on 26th October (which provides the solitary case of B. Coli in 1 c.c.) might also be regarded as due to error, a sample being found perfect on 28th. Excluding this the hfghest B Coli T ™ i'T 100 C'°'l t0m,d six °“»“°°« i the nLt higS two pt ,. c.c., on one occasion and one per 100 c.c. found on two occasions TWo rfrmulaTEiS!^ Heahh ^•cCrady’8 tables based on Greenwood and Yule’s occa.ToVo'TwS Bact. Coli—faecal type I. Intermediate type Aerogenes type I. Aerogenes type II. Other types 9 occasions 3 2 1 3