Editing Turbidity (section)

===Analytical methods===
Published analytical test methods for turbidity include:
* ISO 7027 "Water Quality: Determination of Turbidity"<ref>International Organization for Standardization. Geneva, Switzerland.
[https://www.iso.org/standard/62801.html "ISO 7027-1:2016 Water quality – Determination of turbidity – Part 1: Quantitative Methods."] 2016 and [https://www.iso.org/standard/62801.html "ISO 7027-2:2019 Water quality – Determination of turbidity – Part 2: Semi-quantitative methods for the assessment of transparency of waters."] 2019.</ref>
* US EPA Method No. 180.1, "Turbidity"<ref>EPA. Environmental Monitoring Systems Laboratory. Cincinnati, Ohio. [https://www.epa.gov/cwa-methods/approved-cwa-test-methods-inorganic-non-metals "Method 180.1: Determination of Turbidity by Nephelometry; Revision 2.0."] August 1993.</ref>
* "Standard Methods", No. 2130B.<ref>{{cite book |title=Standard Methods For the Examination of Water and Wastewater |edition=21 |editor-last1=Eaton |editor-first1=Andrew D. |editor-last2=Greenberg |editor-first2=Arnold E. |editor-last3=Rice |editor-first3=Eugene W. |editor-last4=Clesceri |editor-first4=Lenore S. |editor-last5=Franson |editor-first5=Mary Ann H. |year=2005 |publisher=American Public Health Association |isbn=978-0-87553-047-5 |id=Also available on CD-ROM and [http://www.standardmethods.org/ online] by subscription}}</ref>