math coloumn a to coloumn b coloumn a coloumn b 6. All drinking water service providers’ water samples must be tested for the mandatory core parameters for water quality. 7. Secondary parameters for...


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6. All drinking water service providers’ water samples must be tested for the
mandatory core parameters for water quality.
7. Secondary parameters for water quality are for determining the presence of
chemical impurities that are directly causing water-borne acute and chronic
diseases.
8. If water samples of the Baguio water district are positive for thermotolerant
coliform and with> 1.5 mg/L residual chlorine, the LGU must monitor the water
supply for 7 days.
9. The accreditation of water testing laboratories is valid for one year.
10. Water analysis test result forms may contain an interpretation of the result with
stated reference.

a. true


b. false




Jun 07, 2022
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