WATER TESTING PT 2

a

1. Presidential Decree (PD) 856 is otherwise known as which of the following laws?

a) Code of Sanitation in the Philippines

b) Philippine Clean Water Act

c) Water Quality Standards and Assessment Act

d) National Drinking Water Rules

b

2. Which Republic Act corresponds to the Philippine Clean Water Act?

a) Republic Act No. 9165

b) Republic Act No. 9275

c) Republic Act No. 8972

d) Republic Act No. 10173

c

3. Who was the Philippine President who signed the Philippine Clean Water Act into law?

a) President Fidel V. Ramos

b) President Joseph Ejercito Estrada

c) President Gloria Macapagal Arroyo

d) President Benigno Aquino III

d

4. On what date was the Philippine Clean Water Act approved?

a) January 1978

b) September 1978

c) May 6, 2004

d) March 22, 2004

a

5. Administrative Order No. 31 s. 1979 established the requirements for the accreditation of which type of facilities?

a) Water Analysis Laboratories

b) Clinical Diagnostics Facilities

c) Environmental Waste Sites

d) Food and Drug Testing Centers

b

6. In January 1978, which document was released to outline air and water analysis standards?

a) National Standards for Drinking Water

b) Philippines Standards Methods of Air and Water Analysis

c) Code of Sanitation Operational Guidelines

d) Rules and Regulations for Water Testing Laboratories

c

7. Which government body published the "Philippines Standards Methods of Air and Water Analysis" in January 1978?

a) Ministry of Health

b) Department of Environment and Natural Resources

c) Ministry of Human Settlements and Ecology

d) Department of Public Works and Highways

d

8. In September 1978, the "National Standards for Drinking Water" was issued by which agency?

a) Ministry of Human Settlements and Ecology

b) National Water Resources Board

c) Local Drinking Water Quality Committee

d) Ministry of Health

a

9. What is the primary objective of Administrative Order No. 2006-0024?

a) To protect public health, safety, and welfare by ensuring the accuracy, precision, and reliability of results generated by drinking water testing laboratories

b) To transition all clinical laboratories into dedicated commercial water analysis centers

c) To penalize water service providers that operate without electronic systems

d) To privatize all government-owned water sources across the country

b

10. Administrative Order No. 2006-0024 explicitly implements which part of PD 856?

a) Sec. 5, Chapter I

b) Sec. 12, Chapter II

c) Sec. 24, Chapter III

d) Sec. 45, Chapter IV

b

11. According to PNSDW 2017, which term refers to the physical and chemical quality of water regarding appearance, taste, and odor satisfactory to the consumer?

a) Portability b) Acceptability c) Pureness d) Safety

c

12. What term describes drinking-water supplied to water service providers or associated infrastructures including pumping stations, reservoirs, and pipelines?

a) Commercial Water Supply

b) Public Distribution System

c) Bulk Water Supply

d) Industrial Source Supply

d

13. Who is legally allowed to collect water samples for regulatory purposes?

a) Any registered nurse or medical technologist

b) Only the head of the water testing laboratory

c) Local government unit health inspectors

d) Certified sampling personnel who underwent DOH training

a

14. What is defined as a general term referring to the presence of substances found in water that make water less desirable or unfit for drinking?

a) Contamination b) Turbidity c) Acidification d) Degradation

b

15. How is "Drinking-water" defined under the current regulations?

a) Water that has been filtered through commercial reverse osmosis only

b) Water intended for direct human consumption or for use in food preparation and related processes

c) Any natural water source that contains no detectable mineral content

d) Water treated exclusively with chemical disinfectants like chlorine

c

16. Which term describes any situation in which there is actual disruption or damage to communities, or any actual threat to public health and safety?

a) Discrepancy b) Outbreak c) Emergency d) Contamination Event

c

17. Measurable health, water quality, or performance objectives established based on a judgment of safety and risk assessments of water-borne hazards are called:

a) Maximum Allowable Levels

b) Method Detection Limits

c) Health-based targets

d) Standard Quality Baselines

a

18. What does the abbreviation LOQ stand for in laboratory water analysis?

a) Limit of Quantitation

b) Level of Qualification

c) Laboratory Operation Quality

d) Legal Objective Quantity

b

19. What does the acronym MAL stand for under the definition of terms?

a) Minimum Allowable Limit

b) Maximum Allowable Level

c) Method Analytical Limitation

d) Mandatory Action Level

c

20. The constituent/contaminant concentration that, when processed through the complete method, produces a signal with a 99% probability that is different from the blank is the:

a) Limit of Quantitation (LOQ)

b) Maximum Allowable Level (MAL)

c) Method Detection Limit (MDL)

d) Analytical Baseline Level (ABL)

b

21. What are tanks designed to deliver water for domestic use or emergency purposes called?

a) Bulk Distribution Tanks

b) Mobile Water Tanks

c) Emergency Reservoirs

d) Auxiliary Chemical Tanks

a

22. "Potable/Safe Water" is defined as water with quality within the standard limits set in the PNSDW for which two aspects?

a) Acceptability and health aspects

b) Clarification and volume aspects

c) Industrial and residential aspects

d) Microbiology and radiological aspects

c

23. The continuous and vigilant public health assessment and review of safety and acceptability of drinking-water supplies is known as:

a) Monitoring

b) Inspection

c) Surveillance

d) Quality Audit

b

24. Which type of examination must be conducted for new or newly constructed water sources?

a) Periodic examination

b) Initial examination

c) Screening examination

d) Baseline validation

a

25. Existing water sources require what category of examination?

a) Periodic examination

b) Initial examination

c) Emergency validation

d) Secondary screening

a

26. Water samples for initial and periodic examinations from all water sources must cover which set of parameters?

a) Microbiological, physical, chemical, and radiological

b) Microbiological, physical, and chemical only

c) Chemical, biological, and geological parameters

d) Volatile, organic, and trace metal parameters

c

27. Which institution is authorized to conduct the examination of water samples for radiological quality?

a) Department of Health Central Laboratory

b) National Reference Laboratory (NRL-EOHTM)

c) Philippine Nuclear Research Institute

d) Department of Environment and Natural Resources

b

28. All water samples collected for regulatory purposes must be examined only in what type of facility?

a) Any registered clinical laboratory

b) DOH-Accited Laboratory

c) LGU-supervised health clinic

d) University-based chemical research lab

c

29. What is the standard edition year of the "Standard Methods for the Examination of Water and Wastewater" used unless otherwise stated?

a) 20th Edition (2005)

b) 21st Edition (2009)

c) 22nd Edition (2012)

d) 23rd Edition (2017)

a

30. Product water from refilling stations and vending machines must maintain a pH value within what range?

a) 5.0 - 7.0

b) 6.5 - 8.5

c) 7.0 - 9.0

d) 4.5 - 6.5

b

31. To validate the efficiency of reverse osmosis or distillation, product water from refilling stations must not exceed what TDS level?

a) 5 mg/L

b) 10 mg/L

c) 50 mg/L

d) 100 mg/L

b

32. Water from mobile tanks must have a free chlorine residual of at least how many mg/L at the point of delivery?

a) 0.2 mg/L

b) 0.5 mg/L

c) 1.0 mg/L

d) 1.5 mg/L

a

33. What is the maximum limit for free chlorine residual in water from mobile tanks at the delivery point?

a) 1.50 mg/L

b) 2.00 mg/L

c) 0.50 mg/L

d) 3.00 mg/L

c

34. Microbiological examination for drinking water reports the numbers or presence of key bacteria present in what standard volume of water?

a) 10 mL

b) 50 mL

c) 100 mL

d) 1000 mL

b

35. If E. coli or Thermotolerant Coliform is detected in water, within how many hours must a sanitary survey be conducted?

a) 12 hours b) 24 hours c) 48 hours d) 72 hours

a

36. When resampled water still confirms contamination, what immediate advisory must the service provider issue?

a) "Boil water" or other household water treatment options

b) "Discontinue billing" advisory

c) "Add extra sediments" advisory

d) "Close the laboratory" order

a

38. Core parameters that are legally enforceable and required for examination by all water service providers are categorized as:

a) Mandatory Parameters

b) Primary Parameters

c) Secondary Parameters

d) Auxiliary Parameters

a

38. Core parameters that are legally enforceable and required for examination by all water service providers are categorized as:

a) Mandatory Parameters b) Primary Parameters c) Secondary Parameters d) Auxiliary Parameters

a

39. The frequency of testing for mandatory parameters (except E. coli and residual disinfectant) may be reduced to every three years if undetectable for how many consecutive years?

a) Three (3) consecutive years

b) Two (2) consecutive years

c) Five (5) consecutive years

d) Ten (10) consecutive years

b

40. Which parameters are site-specific chemical impurities that directly affect health through acute or chronic exposure?

a) Mandatory parameters

b) Primary parameters

c) Secondary parameters

d) Operational parameters

a

41. Which parameters render the water unacceptable for drinking and include operational parameters affecting treatment efficiency?

a) Secondary parameters

b) Primary parameters

c) Mandatory parameters

d) Enforceable parameters

d

42. Which of the following is considered a mandatory parameter under Table B-1?

a) Copper b) Aluminum c) Zinc d) Arsenic (As)

b

43. Which of the following is categorized as a secondary drinking-water quality parameter?

a) Cadmium b) Total Hardness c) Lead d) Nitrate

a

44. Under Quality Assurance protocols, who must certify the laboratory personnel involved in water sampling?

a) Department of Health (DOH)

b) Professional Regulation Commission (PRC)

c) National Reference Laboratory (NRL)

d) Local Drinking Water Monitoring Committee

a

45. Accredited laboratories must establish, document, and effectively operate what kind of system?

a) Quality System (QS)

b) Electronic Data Exchange (EDE)

c) Automated Titration Network (ATN)

d) Commercial Enterprise Software (CES)

a

46. Administrative Order No. 2020-0031 refers to what specific guidelines?

a) Revised Rules and Regulations Governing the Accreditation of Laboratories for Drinking Water

b) Standard Methods for Environmental Waste Management

c) Operational Guidelines for Commercial Water Refilling Equipment

d) Regulations on Hospital Wastewater Discharge Procedures

b

47. Which of the following is explicitly NOT covered by the scope of A.O. No. 2020-0031?

a) Private commercial water testing facilities

b) LDWA utilized for training, research, and in-house monitoring

c) Government and national testing laboratories

d) Local health department testing units

c

48. An individual, partnership, corporation, or association seeking a certificate of accreditation is defined as the:

a) Licensee b) Service Provider c) Applicant d) Registrar

b

49. What is the formal authorization issued by the DOH to perform drinking water analysis?

a) DOH Permit to Construct

b) Certificate of Accreditation (DOH-COA)

c) PRC Corporate License

d) FDA Product Certificate

b

50. What does the acronym LDWA stand for?

a) Local Drinking Water Association

b) Laboratory for Drinking Water Analysis

c) Licensing Division of Water Agencies

d) Legal Department of Water Affairs

b

51. Which document states the quality policy and describes the quality system and procedures of a laboratory?

a) Technical Manual

b) Quality Manual

c) Standard Operating Procedures List

d) Assessment Tool Annex

b

52. At the DOH Central Office, who is authorized to approve the issuance of the initial DOH-COA for an LDWA?

a) Secretary of Health

b) Director IV (or Director III when delegated) of the HFSRB

c) Regional Health Director

d) Head of the National Reference Laboratory

b

53. For renewal applications at the Center for Health Development (CHD), which division handles the process?

a) Health Facilities and Services Regulatory Bureau (HFSRB)

b) Regulatory, Licensing, and Enforcement Division (RLED)

c) Environmental Health and Sanitation Division

d) Personnel Management Division

a

54. Under Institutional Character, a laboratory located within the premises of a DOH-licensed health facility is:

a) Institution-based

b) Non-institution based

c) Government-subsidized

d) Attached-agency unit

c

55. A laboratory that operates independently and is not attached to any DOH licensed health facility is classified as:

a) Standalone Corporate Unit

b) Government Operated

c) Non-Institution based

d) Decentralized Branch

a

56. Which service capability classification detects and enumerates coliform organisms (Total coliform, thermotolerant coliforms/E.coli, and HPC)?

a) Classification A (Microbiological)

b) Classification B (Physico-Chemical)

c) Classification C (Microbiological-Physico-Chemical)

d) Classification D (Radiological)

b

57. Classification B service capability is responsible for detecting and quantifying at least how many mandatory parameters?

a) Five (5) parameters

b) Nine (9) mandatory parameters

c) Ten (10) parameters

d) Twelve (12) parameters

c

58. A laboratory offering both Category A (Microbiological) and Category B (Physico-Chemical) services is classified under:

a) Classification A

b) Classification B

c) Classification C

d) Classification D

a

59. What is the minimum workspace area required for a non-institution based Classification A laboratory?

a) 20 sqm

b) 50 sqm

c) 70 sqm

d) 100 sqm

b

60. What is the minimum workspace area required for a non-institution based Classification B laboratory?

a) 20 sqm

b) 50 sqm

c) 70 sqm

d) 90 sqm

c

61. What is the minimum workspace area required for a non-institution based Classification C laboratory?

a) 20 sqm b) 50 sqm c) 70 sqm d) 120 sqm

c

62. For water chemical analysis, who is the only professional legally allowed to certify the final test results?

a) Certified Microbiologist

b) Registered Medical Technologist

c) Registered Chemist

d) Registered Chemical Technician

b

63. A laboratory aide must complete at least how many hours of appropriate training in relevant laboratory procedures?

a) 4 hours b) 8 hours (1 day) c) 16 hours d) 40 hours

b

64. Modification of PNSDW analytical methods is allowed provided they are validated and approved by which entity?

a) HFSRB Board of Directors

b) National Reference Laboratory (NRL-EOHTM)

c) Department of Science and Technology (DOST)

d) Center for Health Development Regional Office

b

65. Which signatures must be affixed to all laboratory reports prior to their official issuance?

a) Only the head of the laboratory's signature

b) Head of the laboratory and the performing analyst

c) The laboratory aide and the customer representative

d) The LGU health officer and regional director

a

66. Valid electronic signatures on laboratory reports are subjected to the provisions of which specific legislation?

a) Electronic Commerce Act of 2000 (RA 8792)

b) Cybercrime Prevention Act of 2012

c) Data Privacy Act of 2012

d) Anti-Red Tape Act of 2007

b

67. In terms of confidentiality, all LDWA records must comply with which strict Philippine law?

a) National Archives Law (RA 9470)

b) Data Privacy Law (Republic Act No. 10173)

c) Consumer Act of the Philippines

d) Public Records Transparency Act

a

68. How frequently must an accredited LDWA conduct an internal quality audit?

a) At least once a year

b) Every six (6) months

c) Every two (2) years

d) Every three (3) years

c

69. All accredited LDWA must participate in proficiency testing for chemical analysis every how many years?

a) Every year b) Every two (2) years c) Every three (3) years d) Every five (5) years

a

70. How often must an accredited LDWA participate in proficiency testing for microbiological analysis?

a) Annually (Every year)

b) Every six (6) months

c) Every three (3) years

d) Only during license renewal

c

71. Referral or outsourcing of examinations due to machine breakdown shall not last for more than:

a) 1 month b) 2 months c) 3 months d) 6 months

c

72. For outsourced microbiological tests, what is the maximum radius allowed between the specimen collection site and the address of the referral lab?

a) 25 kilometers b) 50 kilometers c) 100-kilometer radius d) 150-kilometer radius

d

73. Continuous equipment breakdown for what duration serves as an official basis for the suspension of a DOH-COA?

a) 3 months b) 6 months c) 9 months d) 1 year

c

74. What is the standard validity period of a DOH-COA certificate?

a) 1 year b) 2 years c) 3 years d) 5 years

c

75. Failure to notify the HFSRB in writing within how many days of any substantial laboratory change (plant, equipment, personnel) may cause suspension?

a) 5 days b) 10 days c) 15 days d) 30 days