London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Leyton 1954
[Report of the Medical Officer of Health for Leyton]
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| Appropriate Tests | Standard prescibed by R.F. and O.F.M. Regs., 1951 | Results of Analysis | Remarks and Action Taken |
|---|---|---|---|
| (ii) Sample No. 2/54—Washed Layered Flock | |||
| Impurities test (in triplicate) | Not to contain more than 1.8% of soluble impurities | Sol. impurities: | Sample Satisfactory |
| (i)1.5% | |||
| (ii) 1.4% | |||
| (iii) 1.4% | |||
| Average 1.4% | |||
| Oil and soap test | Not to contain more than 5% of oil and soap | Oil 2.3% | |
| Soap 1.6% | |||
| Chlorine test | Not to contain more than 30 parts per 100,000 of chlorine in the form of soluble chlorides | Chlorine content : 3 parts per 100,000 | |
| (iii) Sample No. 3/54—Coir Fibre | |||
| Impurities test (in triplicate) | Not to contain more than 1.5% of insoluble impurities and where the filling consists wholly or partly of used materials not to contain more than 1.5% of soluble impurities | Insol. impurities : | Sample Satisfactory |
| (i) 0.9% | |||
| (ii) 0.8% | |||
| (iii) 0.8% | |||
| Average 0.8% | |||
| Impurities test (in triplicate) | Not to contain more than 1.8% of soluble impurities | Sol. impurities | Sample Satisfactory |
| (i) 1.2% | |||
| (ii) 1.2% | * Animal fibre test made to ascertain correct description | ||
| (iii) 1.3% | |||
| Average 1.2% | |||
| Oil and soap test | Not to contain more than 5% of oil and soap | Oil 1.1% | |
| Soap 1.0% | |||
| Chlorine test | Not to contain more than 30 parts per 100,000 of chlorine in the form of soluble chlorides | Chlorine content: 25 parts per 100,000 | |
| *Animal fibre content 50.1% | |||
| Impurities test (in triplicate) | Not to contain more than 1.8% of soluble impurities | Sol. impurities : | Sample Satisfactory |
| (i) 1.2% | |||
| (ii) 1.3% | |||
| (111) 1.1% | |||
| Average 1.2% | |||
| Oil and soap test | Not to contain more than 5% of oil and soap | Oil 2.8% | |
| Soap 1.1% | |||
| Chlorine test | Not to contain more than 30 parts per 100,000 of chlorine in the form of soluble chlorides | Chlorine content: 14 parts per 100,000 | |
| Impurities test (in triplicate) | Not to contain more than 1.8% of soluble impurities | Sol. impurities | Sample Satisfactory |
| (i) 1-1% | |||
| (ii) 1.0% | |||
| (iii) 0.9% | |||
| Average 1.0% | |||
| Oil and soap test | Not to contain more than 5% of oil and soap | Oil 0.6% | |
| Soap 0.8% | |||
| Chlorine test | Not to contain more than 30 parts per 100,000 of chlorine in the form of soluble chlorides | Chlorine Content: 12 parts per 100,000 | |