The vast majority of the early municipal crematoria were built within existing, long-standing cemeteries.
Ten years later, the figure had risen to 24.4 per cent, and the number of crematoria had increased to 82.
By 1939, 54 crematoria had been opened, and 3.5 per cent of disposals were cremations.
A means of mitigating the risk was to build crematoria within existing cemeteries.
The operation of crematoria clearly called for specialist scientific knowledge with regard to the operation of modern machinery.
They considered burning the waste in high temperature ovens; these refuse crematoria and incinerators reduced the volume of the refuse as well as the possibility of disease.
They burnt the gas-chambers and the crematoria, and the survivors fled to the forests in the neighbourhood.
The assessment included a review of the available mercury monitoring data and of estimates of mercury emissions from crematoria.
