Sewage--Purification

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  • Sound Recording Database SMIDDEV_SR_SUBJECT_HEADINGS.

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Sewage--Purification

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Sewage--Purification

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Sewage--Purification

25 Archival description results for Sewage--Purification

25 results directly related Exclude narrower terms

British Columbia's natural heritage

The item is a composite print of a documentary film from 1968. It shows the potential health hazards posed by environmental pollution in B.C., and the work of the Public Health Service and Pollution Control Board. Includes scenes documenting various sources of air and water pollution; sewage treatment; field testing of air, water, shellfish to determine health dangers, etc. Begins with a speech by Premier W.A.C. Bennett on the importance of keeping B.C. beautiful, despite the demands of progress.

British Columbia's natural heritage

Documentary. The potential health hazards posed by environmental pollution in B.C., and the work of the Public Health Service and Pollution Control Board. Includes scenes documenting various sources of air and water pollution; sewage treatment; field testing of air, water, shellfish to determine health dangers, etc. Begins with a speech by Premier W.A.C. Bennett on the importance of keeping B.C. beautiful, despite the demands of progress.

British Columbia's natural heritage : short version

The item is an educational film from 1968. It discusses the potential health hazards posed by environmental pollution in B.C., and the work of the Public Health Service and Pollution Control Board. Includes scenes documenting various sources of air and water pollution; sewage treatment; field testing of air, water, shellfish to determine health dangers, etc.

British Columbia's natural heritage : short version

Educational. The potential health hazards posed by environmental pollution in B.C., and the work of the Public Health Service and Pollution Control Board. Includes scenes documenting various sources of air and water pollution; sewage treatment; field testing of air, water, shellfish to determine health dangers, etc.