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

View report page

Leyton 1953

[Report of the Medical Officer of Health for Leyton]

This page requires JavaScript

Set out below in tabular form are the findings of the prescribed analyst.

[Appropriate TestsStandard prescribed by R.F. & O.F.M. Begs., 1951Results of AnalysisRemarks and Action Taken
(») Sample No. 1/53—Cotton Felt
Oil and soap testNot to contain more than 2% of oilOil content 6%SampleUnsatisfactoryWarning letter toManufacturers
Trash content Test (in triplicate)Not to contain more than 7J% of trash or other impuritiesTrash content: (i) 9.3%, (ii) 9.1%, (iii) 9%, average 9.1 %
Dust index test (in duplicate)To have a dust index of not more than 3, where the test is carried out under ihe conditions specified in para. 40 of Part 6 of British Standard 1425 : 1951Dust index:(i) 1.6%(ii) 1.8% average 1.7%
(ii) Sample No. 2/53—Rag FlockSample Satisfactory
Impurities Test (in triplicate)Not to contain more than 1.8% of soluble impuritiesSol. impurities :(i) 1.3%(ii) 1.3%(iii) 1.3% average 1.3% Oil 1.4%Soap .9%Chlorine content 20 parts per 100,000
Oil and soap testNot to contain more than 5% of oil and soap
Chlorine testNot to contain more than 30 parts per 100,000 of chlorine in the form of soluble chlorides
(iii) Sample No/ 3/53—Layered 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 impuritiesInsoluble impurities :(i) -7%(ii) -7%(iii) .7% average .7%SampleSatisfactory
(iv) Sample No. 4/53—Rag Flock
Impurities test (in triplicate)Not to contain more than 1.8% of soluble impuritiesSol. impurities :(i) 1-4%(ii) 1.6%(iii) 1.4% average 1.5%Sample Satisfactory
Oil and soap testNot to contain more than 5% of oil and soapOil 1.7% Soap 1.1%