BLOCK 9: ENVIRONMENTAL HEALTH - Unit 1: Environmental Health Program (complete)

Question 1

The key Federal law for protecting public water systems from harmful contaminants.

Answer 1

Safe Drinking Water Act (SDWA), Title XIV of the Public Health Service Act

Question 2

Effective 31 Dec 90, established treatment of viruses to ensure a Maximum Contaminant Level Goals (MCLG) of zero for Giardia, Legionella, and viruses, rather than a Maximum Contaminant Level (MCL).

Answer 2

Surface Water Treatment Rule (SWTR)

Question 3

Waterborne infectious disease outbreaks have been attributed to a variety of pathogenic bacteria, parasites, and viruses. __________ has been responsible for about half of the outbreaks of disease where the causative agent was identified.

Answer 3

GIARDIA

Question 4

Ground water generally has _______________ bacteriological quality.

Answer 4

EXCELLENT

Question 5

Usually, the only required treatment for ground water is _______________. However, the treatment requirements for any public water system are dependent upon the regulations of the state.

Answer 5

DISINFECTION

Question 6

The highest level of a contaminant allowed in drinking water.

Answer 6

Maximum Contaminant Levels (MCLs)

Question 7

Every __________ years, the Environmental Protection Agency (EPA) must publish a list of contaminants that may warrant regulation.

Answer 7

FIVE

Question 8

Samples collected for chemical analysis listed in _______________ shall be acceptable only if the analysis is performed by a laboratory certified by the EPA or the State.

Answer 8

40 CFR 141

Question 9

The Primary Drinking Water Regulations shall apply to each public water system, unless the public water system meets all of the following conditions:

Answer 9

• Consists only of distribution and storage facilities (and does not have any collection and treatment facilities)
• Obtains all of its water from, but is not owned or operated by, a public water system to which this regulation applies
• Does not sell water to any persons
• Is not a carrier which conveys passengers in interstate commerce

Question 10

Set limits on contaminants in drinking water that primarily affect the aesthetic qualities relating to public acceptance of drinking water (i.e. odor, taste, or smell).

Answer 10

National Secondary Drinking Water Regulations

Question 11

TRUE OR FALSE:

National Secondary Drinking Water Regulations are federally enforceable.

Answer 11

FALSE

This regulation is not federally enforceable but is intended as a guideline for the States.

Question 12

The role of the __________ is to regulate agencies and act as the enforcement authority.

Answer 12

EPA

Question 13

PWS that supplies water to the same population year round.

Answer 13

COMMUNITY WATER SYSTEM

Question 14

PWS that regularly supplies at least 25 of the same people at least 6 months per year but not year round.

Answer 14

NON-TRANSIENT NON-COMMUNITY WATER SYSTEM

Question 15

PWS that supplies water to a place such as a gas station or campground where people do not remain for long periods of time.

Answer 15

TRANSIENT NON-COMMUNITY WATER SYSTEM

Question 16

Entry point to the distribution system that is representative of all sources being used under normal operating conditions.

Answer 16

SAMPLING POINT

Question 17

The publication that implements EPA regulations publicized under the authority of the SDWA and any additional requirements determined by Aerospace Medicine Council (AMC) IAW AFI 48-101, Aerospace Medicine Enterprise. It also defines BEs roles and responsibilities in the Drinking Water Surveillance Program.

Answer 17

AFI 48-144, Drinking Water Surveillance Program

Question 18

What are some of BE’s responsibilities in the Drinking Water Surveillance Program?

Answer 18

*SURVEILLANCE
*SAMPLING
*SANITARY SURVEYS
*AIRCRAFT WATERING POINTS
*DATA INTERPRETATION
*TREND ANALYSIS
*SYSTEM RECORDS MAINTENANCE
*BACKFLOW/CROSS CONNECTION SURVEYS
*REPAIR/MODIFICATION REVIEWS
*WATER VULNERABILITY ASSESSMENTS (WVA)