Methods of Sampling and Test (Physical and Chemical) for Water and Waste Water: Part 14 Specific Conductance (Wheatstone Bridge, Conductance Cell) (Second Revision)
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 31 Phosphorous Section 1 Determination by Vanadomolybdo-phosphoric Acid, Stannous Chloride, Ascoribe Acid and Persulphate Method (Second Revision)
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 73 Instrument Based Method for Determination of Total Organic Carbon (TOC), Dissolved Organic Carbon (DOC), Total Bound Nitrogen (TNb) and Dissolved Bound Nitrogen (DNb)
