The history of the Philippine National Standards for Drinking Water (PNSDW) started in the year 1963.It was based on the 1958 World Health Organization International Standard for Drinking Water and the 1962lJnted States Public Health Service Standards. The 1963 PNSDW edition was subsequently revised in 1978, 1993 and2007. Physical Characteristics of the water samples were also determined. It employed the use of standard laboratory procedures to analyze the water quality parameters and the results compared with the Philippine National Standards for Drinking Water (PNSDW, 2007). Non- conformance w/ PNSDW Localized or domestic o Inform concerned household o provide technical assistance Area wide o Water Advisory- 'Boil Water Advisory', etc. o Alternate safe and potable water supply- tankering o corrective action- immediate o Implement long term solution- upon approval of MWSS Regulatory office to continue reading download the attachment… Attachment:-> Administrative Order No. 2017-0010 Press Release/ December 12, 2017. The Department of Health (DOH) today presented the Philippine National Standards for Drinking Water (PNSDW) of 2017 to various stakeholders. The said policy is embodied in the DOH Administrative Order No. 10 series of 2017, which prescribes the standards and procedures on drinking-water quality aiming to compliance with the philippine national standards for drinking water (pnsdw, 2007) administrative order (ao) no. 2007-12 regarding the updated standards for drinking water referred to as pnsdw 2007 and ao no. 2014-0027 declaring the development and implementation of the water safety plan (wsp) by all drinking-water service providers as a national … Philippine National Standards for Drinking Water 2007. Attachments: ao2007-0012.pdf [ ] 1722 kB: Prev Next Created Date: 7/19/2017 11:33:28 AM Download Free PDF. Subject: PHILIPPINE STANDARDS FOR DRINKING WATER 1993 UNDER THE PROVISION OF CHAPTER II, SECTION 9 OF PD 856, OTHERWISE KNOWN AS THE CODE ON SANITATION OF THE PHILIPPINES Philippine National Standards for Drinking Water 2007 I. RATIONALE/INTRODUCTION. By mark daniel rodaje. Escherichia coli as an indicator of 2007 PNSDW LIMIT 5 NTU 5 Color Units 6. 5 - 8. / '5.0-7.0 pH Units 500 mg/L/**<10 mg/L 300mg/L(asCaC03) 250 mg/L 50 mg/L 250 mg/L 1mg/L 0.4 mg/L 0.05 mg/L 0.003 mg/L 0.01 mg/L METHOD USED Nephelometry Spectrophotometry Electrometry Gravimetry EDTA Titration MohrArgentornetry Nitrate Electrode Turbidimetry Atomic Absorption Spectroscopy Atomic Created Date: 6/30/2017 3:39:01 PM a third revision of the standards resulted in the 2007 pnsdw which considered developments in the water supply sector including: (i) new chemicals used in agricultural, industrial, or domestic-related activities; (ii) loss of confidence of the public in drinking-water supplied by utilities, hence, the proliferation of water refilling stations … a third revision of the standards resulted in the 2007 pnsdw which considered developments in the water supply sector including: (i) new chemicals used in agricultural, industrial, or domestic-related activities; (ii) loss of confidence of the public in drinking-water supplied by utilities, hence, the proliferation of water refilling stations …