FALSE 4. Twenty-three water samples out of 24 samples from the La Trinidad water district must report <1.1 MPN per 100 mL total coliform to comply with DOH standards. 5. Private protected well-supplying household water must be tested every three months. 14. Baguio ice plant and cold storage samples must be tested with the presence of total bacteria, total coliform, and thermotolerant coliform once a month

FALSE 4. Twenty-three water samples out of 24 samples from the La Trinidad water district must report <1.1 MPN per 100 mL total coliform to comply with DOH standards. 5. Private protected well-supplying household water must be tested every three months. 14. Baguio ice plant and cold storage samples must be tested with the presence of total bacteria, total coliform, and thermotolerant coliform once a month

Essentials Health Info Management Principles/Practices

4th Edition

ISBN:9780357191651

Author:Bowie

Publisher:Bowie

Chapter3: Health Care Settings

Section3.2: Ambulatory/outpatient Care Facilities

Problem 4E

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A person (70kg) eating locally caught fish from water contaminated with 100ppb TCE and 100ppb aniline. The bioconcentration value for TCE and aniline in fish is the same at 1.06mg TCE (or aniline) per kg fish, respectively. Fish is only exposed to these contaminants in its environment. About 54g of fish is consumed in 350days/yr for 30years. Assume bioavailability value of 1. The potency factor for TCE is 1.1 × 10$# kg.day/mg and reference dose is 1.00 × 10$% mg/kg.day. Whereas the potency factor for aniline is 5.7 × 10$" kg.day/mg and reference dose (based on drinking water) is 1.60 × 10$& ??/L. Unlike aniline, TCE is not a carcinogenic compound. There are 70yrs in a lifetime and 365day/yr. - Using chronic daily intake calculation, determine the non-cancer risk (number of people in one million) for the above case.
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match coloumn a to coloumn b coloumn a coloumn b 11. Safe drinking water is totally free from chemicals.12. Total bacteria present in water samples from water vending machines isdetermined using an enzyme-substrate test. 13. All water samples from the La Trinidad water district must report <1.1 MPNper 100 mL total coliform to comply with DOH standards. FALSE All water samplesfrom the La Trinidad water district must report <1.1 MPN per 100 mLthermotolerant coliform to comply with DOH standards.14. Baguio ice plant and cold storage samples must be tested with the presenceof total bacteria, total coliform, and thermotolerant coliform once a month.15. A water sample that contains beyond the maximum acceptable level oftotal coliform must be retested. a. true b. false
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