Laguna Lake Development Authority(DENRLLDA)

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Date: March 24, 2023, 10:32 a.m.

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Date: 2023-04-14 09:34:35.000000

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Water quality of Laguna de bay

Published by Laguna Lake Development Authority(DENRLLDA) on March 24, 2023.
Requested from LLDA by R. Mas at 10:32 AM on March 24, 2023.
Purpose: Research (thesis)
Date of Coverage: 01/01/2015 - 12/30/2022
Tracking no: #DENRLLDA-057869862773

E.KAMANTIGUE March 24, 2023, 10:32 a.m.

Hi! I would like to inquire about the following water quality parameters from the available sampling station: 1. Biochemical Oxygen Demand (BOD) 2. Chloride 3. Color in true color unit 4. Fecal Coliform in Most Probable Number per 100 milliliter 5. Minimum Dissolved Oxygen (DO) 6. Nitrate as NO3 7. pH 8. Phosphate 9. Temperature 10. Total Suspended Solids The information requested will be used for research purpose. Thank you.

P.MARIANO April 14, 2023, 9:34 a.m.

April 14, 2023 Dear Edmark Kamantigue, I refer to my letter of Mar 24, 2023 10:32:35 AM about your request under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch, for Water quality of Laguna de bay. In order for us to work further on your request, we need a little bit more information from you regarding your query. We would like to ask for the title of the research and its objective/purpose, as we will use them for documentation purposes. You may use the reply function on the eFOI portal at https://savethedatev211152018-dot-efoi-ph.appspot.com/requests/aglzfmVmb2ktcGhyIgsSB0NvbnRlbnQiFURFTlJMTERBLTA1Nzg2OTg2Mjc3Mww, for request with ticket number #DENRLLDA-057869862773, to respond. During the period of us awaiting your reply, your request will be put on hold. If we do not receive a reply on or before Jul 07, 2023 01:23:19 AM, your request will be closed. We hope to hear from you at the soonest possible time. Thank you. Respectfully, LLDA FOI Officer

E.KAMANTIGUE Nov. 22, 2023, 3:34 p.m.

Hello sir/ma'am, Magandang araw po! I hope this message finds you well. The requested data will be used as part of the review of the literature for my study entitled "PERFLUORINATED COMPOUNDS (PFAS) CONTAMINATION IN TILAPIA (Oreochromis niloticus) FROM LAGUNA DE BAY AND ITS POTENTIAL HEALTH OUTCOME." Thank you po. Best regards, Edmark C. Kamantigue

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