Ralston et al 2016 BC compost toilet greywater manual

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Ralston, I, A. Baird, G. Baird, G. Hill, E. Hoeppner, M. Payne, M. Seymour. 2016. Manual of composting toilet and greywater practice. Version 1, July 2016, Health Protection Branch, British Columbia Ministry of Health. 135 pp.