London's Pulse: Medical Officer of Health reports 1848-1972

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Leyton 1953

[Report of the Medical Officer of Health for Leyton]

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Appropriate TestsStandard prescribed by R.F. & O.F.M. Regs., 1951Results of AnalysisRemarks and Action Taken
(iv) Sample No. 4/53—Rag Flock—cont.
Chlorine testNot to contain more than 30 parts per 100,000 of chlorine in the form of soluble chloridesChlorine content: 16 parts per 100,000
(v) Sample No. 5/53—Rag Flock
Impurities test (in triplicate)Not to contain more than 1.8% of soluble impuritiesSol. impurities :(i) 1.9%(ii) 2% (Hi) 1-9%SampleUnsatisfactoryWarning letter toManufacturers
Oil and soap testNot to contain more than 5% of oil and soapOil 1.9% Soap 1%
Chlorine testNot to contain more than 30 parts per 100,000 of chlorine in the form of soluble chloridesChlorine content: 15 parts per 100,000
(vi) Sample No. 6/53—Cotton Felt
Oil and soap testNot to contain more than 2% of oilOil content .5%SampleUnsatisfactory
Trash content test (in triplicate)Not to contain more than 7J% of trash or other impuritiesTrash content:(i) 8.7%(ii) 8%(iii) 8% Average 8.2%Warning letter toManufacturers
Dust index test (in duplicate)To have a dust index of not more than 3, where the test is carried out under the conditions specified in para. 40 of part 6 of British Standard 1425 : 1951Dust index :(i) 1.5(ii) 1.5
(vii) Sample No. 7/53—Woollen Mixture Felt
Impurities test (in triplicate)Not to contain more than 1.5% of soluble impuritiesSol. impurities :(i) 1.3%(ii) 1.2%(iii) 1.3% average 1.3%Sample Satisfactory
Oil and soap testNot to contain more than 5% of oil and soapOil 1.4% Soap 1%