000			03220nam a22002897a 4500
003			OSt
005			20241119091811.0
008			241119b |||||||| |||| 00| 0 eng d
040			_aTUPM _bEnglish _cTUPM _dTUPM _erda
050			_aBTH GF 41 _bL83 2024
100			_aLucena, Joseph Ralph H. _eauthor
245			_aCarcinogenic health risk of arsenic metal in Tilapia ( Oreochromis niloticus) from Sucat lakeshore area of Laguna de Bay, Philippines/ _cJoseph Ralph H. Lucena, Naomi Gail G. Martinez, and Mark Joshua S. Vibar.--
260			_aManila: _bTechnological University of the Philippines, _c2024.
300			_aix, 166pages: _c29cm. _e+1 CD-ROM (4 3/4in.)
336			_2rdacontent
337			_2rdamedia
338			_2rdacarrier
500			_aThesis (undergraduate)
502			_aCollege of Science .-- _bBachelor of Science in Environmental Science: _cTechnological University of the Philippines, _d2024.
504			_aIncludes bibliography.
520			_aRegular monitoring of water quality and heavy metal concentrations in edible fish, along with updated baseline data in Laguna de Bay, has yet to be implemented. The study was conducted to determine the carcinogenic health risk of Arsenic (As) metal in Tilapia (Oreochromis niloticus) and monitor the water quality of Laguna de Bay water from the months of November and December 2023 and January, February, and March 2024. Water and Fish samples were collected in three selected sites in Northwest of Laguna de Bay and plotted in Geographical Information System Digital maps. One-kilogram fish samples from each site within 5 months were analyzed through Electrothermal Atomic Absorption Spectrometric Method. Water parameters like pH, Temperature, Total Dissolved Solids, Salinity, and Conductivity were also determined. Survey questionnaires were distributed to residents of Sucat, Muntinlupa City to determine the Fish consumption pattern of fish from the lake, anthropogenic activities, water quality and environmental awareness of the community. Based on the survey, most of the responses were eating commercially available fish in the lake, specifically Tilapia. All the water quality parameters measured were within the standard criteria for Class C waters. The highest lifetime cancer risk for Arsenic was from Site 3 of December having the risk value of 5.02x10-4, about 50 excess cancer cases per 100,000 populations. December Site 1 with a risk value of 2.22x10-4 or 22 excess cancer cases per 100,000 populations had the lowest. The mass of Tilapia consumption per day that increases skin and lung cancer risk is 9.07 Kg/day for wet season and 7.25 Kg/day for dry season. Only TDS and pH have a negligible positive correlation on concentrations of Arsenic in fish samples. This study concludes from the point of view of cancer prevention that long-term consumption of Tilapia from Laguna de Bay may cause high carcinogenic health risk. Key Words: Cancer, Carcinogenic Risk, Laguna de Bay, Arsenic, Consumption Pattern
650			_aHealth risks
650			_aHazardous materials
700			_aMartinez, Naomi Gail G. _eauthor
700			_aVibar, Mark Joshua S. _eauthor
942			_2lcc _cBTH COS _n0
999			_c29078 _d29078