CANADIAN STANDARDS ASSOCIATION (CSA): ENSURING QUALITY DRINKING WATER
https://www.ansi.org/-/media/Files/ANSI/Education/Case%20Studies/Drinking_Water_Quality_questions%20pdf.pdf
https://www.ansi.org/-/media/Files/ANSI/Education/Case%20Studies/Ensuring_Quality_Drinking_Water%20pdf.pdf
https://www.ansi.org/education/standards-education-training/case-studies
