References:
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(http://en.wikipedia.org), 5 October 2014
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(www.pub.gov.sg/conserve/.../greywaterRequirements.pdf), 5 October 2014
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(http://en.wikipedia.org/wiki/Rapid_sand_filter), 5 October 2014
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(http://www.reuk.co.uk), 7 October 2014
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(http://en.wikipedia.org/wiki/Biofilter), 7 October 2014
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(http://www.reuk.co.uk), 7 October 2014
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(http://grey wateraction.org), 15 October 2014
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(http://en.wikipedia.org/wiki/Biofilter), 15 October 2014
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(http://aaucivil.files.wordpress.com/2010/01/ch-4-sewers-design.pdf), 2 October 2014
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(http://www.pacinst.org/wp-content/uploads/2013/02/greywater_overview1.pdf), 23 November 2014
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(http://www.sciencedirect.com/science/article/pii/S0273122399000839), 23 November 2014
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(https://www.watercorporation.com.au/media/files/about%20us/planning%20for%20the%20future/dual-reticulation-information-sheet.pdf), 23 November 2014
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(http://applications.emro.who.int/dsaf/dsa1203.pdf), 11 November 2014
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(http://www.mssanz.org.au/modsim2011/I9/marleni.pdf), 11 November 2014
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(http://rewater.com/media/wysiwyg/infortis/Israeli_study_n_greywater_s_effect_on_sewer_systems.pdf), 11 November 2014
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(http://www.sbs.com.au/news/article/2013/02/12/water-saving%E2%80%99s-unintended-consequences), 11 November 2014
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(http://followscience.com/content/519046/the-recycling-of-grey-water-university-of-pittsburgh), 10 November 2014
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(www.pitt.edu/~crt30/WritingAssignment3.doc), 10 November 2014
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(http://homeguides.sfgate.com/estimate-plumbing-costs-new-construction-40805.html), 19 December 2014
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(http://www.vinidex.com.au/technical/pe-pressure-pipe/trench-preparation-for-buried-pipes/), 19 December 2014
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(http://www.homewyse.com/services/cost_to_repair_plumbing_leak.html), 19 December 2014
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(http://www.improvenet.com/r/costs-and-prices/plumber-cost), 19 December 2014
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(TankWaterSolutions.com.au), 20 December 2014
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Personal communication with the supervisor
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(http://www.anuainternational.com), 20 December 2014