Sewage disposal at Hanley. Report by County Medical Officer of Health on experimental disposal plant. Being an extract from his monthly report presented to the Sanitary Committee, July 2nd, 1904.

  • Staffordshire (England). County Council.
Date:
1904
Catalogue details

Licence: In copyright

Credit: Sewage disposal at Hanley. Report by County Medical Officer of Health on experimental disposal plant. Being an extract from his monthly report presented to the Sanitary Committee, July 2nd, 1904. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    16 CIRCULAR FILTER.—SECTION IV.—li to £ PARTICLES. Date. Parts per 100,000. Column necessary to obscure test lines (inches.) Collection. Analysis. Solids. Chlorine. Free Ammonia. Organic Ammonia. Oxygen absorbed in four hours at 80° F. Nitric Nitrogen. In solution. In suspen- sion. Total. 1903. 1903. *27 Feb. 3 Mar. 99'4 o-o 99-4 8-4 0-732 0-124 0-668 2-0 7-5 12 Mar. 16 Mar. 93-8 5-3 99-1 8-8 0-214 0-057 0-376 1-61 17 1 April 3 April 90-8 0-6 91-4 8-2 0-123 0-039 0-336 1-39 Over 2ft 20 „ 23 „ 122-5 o-o 122-5 9-6 0-280 0-052 0-348 2-08 Over 2ft 28 „ 30 „ 119-6 o-o 119-6 9-6 0-446 0-056 0-440 1-25 Over 2ft 19 May 21 May 104-4 1-4 105-8 8-0 0-036 0-035 0-336 1-18 Over 2ft 16 June 18 June 107-6 3-1 110-7 8-0 0-277 0-084 0-508 1-43 Over 2ft 15 July 17 July 101-6 1-3 102-9 8-6 0-042 0-073 0-376 1-43 7 4 Aug. 6 Aug. 103-2 o-o 103-2 9-2 0-011 0-033 0-280 2-00 14 5 Nov. 9 Nov. 123-3 2-8 126-1 7-8 o-oio 0-046 0-280 1-61 8 25 Nov. 3 Dec. 128-5 3-7 132-2 7-6 0-008 0-028 0-232 1-43 13 17 „ 17 „ 130-5 0-3 130-8 7*5 0-012 0-033 0-268 1-82 11 1904. 1904. 19 Jau. 23 Jan. 117-0 o-o 117-0 7-8 0-021 0-025 0-208 1-67 Over 2ft 16 Feb. 19 Feb. 127-4 4-0 131-4 8-0 0-074 0-046 0-300 2-22 7 *+7 Ap. 10 Apr. 176-6 0-6 177-2 8-0 0-004 0-037 0-320 5-55 12 Mean ... 113-1 1-7 114-8 8-3 0-119 0-046 0-327 1-62 * Not included in estimating the Mean, t After 36 days' rest for repairs of machinery.