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Date: Jan. 22, 2020, 12:17 p.m.

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Date: 2023-02-07 15:47:33.000000

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Clarification on the method used for phosphate analysis in the GES (DAO 2016-08)

Published by Environmental Management Bureau(DENREMB) on Jan. 22, 2020.
Requested from DENR EMB by A. Guanlao at 12:17 PM on Jan. 22, 2020.
Purpose: Research and development. Wastewater treatment process design.
Date of Coverage: 01/22/2020 - 01/22/2020
Tracking no: #DENREMB-669123899177 

Madam, Sir,

I would like to ask for a clarification regarding the sample treatment for the wastewater effluent analysis. 
In the phosphate determination, does the sample need to be filtered using 0.45µm filter paper before analysis or not?

Anjelika Guanlao
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