B N A H S SCIENCE DEPARTMENT 7 3 3 Group 1 WATER SAMPLING GROUP WATER SAMPLE SITE: School (water fountain, bottled water, faucet) Pasig River Pateros Creek Testing Agency: Department of Science and Technology (DOST) Testing Center Bicutan, Taguig City

B N A H S SCIENCE DEPARTMENT 7 3 3 WATER SAMPLE CLASSIFICATION CHARATERISTICS Bottled water (From school canteen) CLASS AAA Slightly alkaline No presence of E. Coli Undergo complete purification process. Meet the qualification of National Standard for Drinking Water. School Water Fountain CLASS AAA Slightly alkaline No presence of E. Coli Undergo complete purification process. Meet the qualification of National Standard for Drinking Water. Water from school faucet CLASS AA Requires additional disinfection to meet the National Standard for Drinking Water. Recommendation: Check the water pipelines for possible infiltrations of other materials.

B N A H S SCIENCE DEPARTMENT 7 3 3 WATER SAMPLE CLASSIFICATION CHARATERISTICS Water from school faucet CLASS AA Requires additional disinfection to meet the National Standard for Drinking Water. Recommendation: Check the water pipelines for possible infiltrations of other materials.

B N A H S SCIENCE DEPARTMENT 7 3 3 WATER SAMPLE CLASSIFICATION CHARATERISTICS Water from Pasig River CLASS C water for fishery production Recreational water class I – II which means water for boating and etc. Not advisable for bathing, diving and swimming. Industrial water supply class II. Water from Pateros Creek CLASS E Classify as dead water. Not even intended for irrigation, agricultural water and livestock watering. Industrial water supply class I.

B N A H S SCIENCE DEPARTMENT 7 3 3 Presented to you by: Group 1 LEADER: Diana Marie Nobio Members: Langitan, Hazel Saquilayan, Katrina Martha Villanueva, Mia Sara Romero, Cecille Ann Desengano, Princess Cheenee Digol, Gian Carlo Mayordo, Rocky Eje, David Daniel Rogie Caballero, Merol Kim Prochina, Daniel Jericho