Guidelines for use of chlorine, sulphur dioxide and ammonia in water and sewage treatment works in the Province of Ontario.
Contributors: Ontario. Environmental Approvals and Land Use Planning Branch
Publisher: Environmental Approvals and Land Use Planning Branch
Published: 1987
Place of publication: [Toronto]
Language: eng
Number of pages: 34
Subjects: Sewage -- Purification -- Safety measures; Water -- Purification -- Safety measures; Chlorine; Sulfur dioxide; Ammonia