Odd Todd Flashcards

1
Q

The required container/preservative conditions for collecting a sample for heavy metal analysis are:

A

*A. acid washed plastic or glass / 50% HNO3 to pH < 2
B. acid washed glass only / 50% H2SO4 to pH < 2
C. acid washed glass only / 50% HCl to pH < 2
D. acid washed plastic or glass / 50% HF to pH < 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which one of the following sets of parameters is most commonly used for continuous water quality monitoring?

A

*A. Temperature, pH and specific conductance
B. Biochemical oxygen demand, total suspended solids, and total dissolved solids
C. Lower explosive limit, carbon monoxide and sulfide
D. Heavy metals, pH, and specific ion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When are grab samples used?

A

A. To determine average conditions
*B. To enforce discharge standards
C. To measure chronic violations
D. When flow-weighted samples are needed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The required type of container for an oil and grease sample is:

A

*A. glass
B. stainless steel
C. aluminum
D. inert plastic (teflon)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the chemical equations represents a neutralization reaction?

A

A. 2AgNO3 + K2SO4 —–> Ag2SO4 + Ag2SO4 + 2KNO3
B. 4NH3 + 7O2 —–> 4NO2 + 6H2O
*C. NaOH + HCl —–> NaCl + H2O
D. CaO + H2O —–> Ca(OH)2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

An industrial user under the Industrial Pretreatment Program is disputing some lab results. The user says it has never discharged the level of PCBs that the lab claims it has. The user may have lawyers involved and a court date set to resolve this dispute. The lab personnel did not follow the chain of custody procedures, but the y know that they took the samples properly and that there is no doubt about the accuracy of the results. According to the law:

A

A. the lab personnel must go back and correct the chain of custody
*B. the results are not valid
C. the results can be verified by resampling
D. the lab results are valid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which of the following information is not necessary on a chain of custody?

A

A. Sample identification
B. Parameters to be analyzed
*C. Waste hauling manifest number
D. date and time of sample collection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Field tests are important when:

A

*A. Speed is more important than accuracy
B. accuracy is more important than speed
C. concentration is more important than the limit
D. the pollutant is a composite

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which of the following pollutants is considered a total toxic organics?

A

A. Hydrogen
B. Cyanide
C. Silver
*D. Benzene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Field tests are a convenient tool, and:

A

A. will produce the same level of accuracy and precision as a lab does
B. are not recognized by EPA
*C. may not be able to detect a pollutant that is masked by other materials
D. are useful when accuracy is more important than speed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A significant industrial user who discharges a pollutant, causing imminent endangerment to human health, welfare, or the environment is:

A

A. subject to stormwater violation
*B. in significant noncompliance
C. subject to bankruptcy
D. required to pay restitution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Compared to concurrent rinse tanks, counter current tanks use:

A

A. less water but more chemicals
*B. less water and less chemicals
C. more water and more chemicals
D. more water but less chemicals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

In order to reduce the concentration of toxic substances prior to discharge into a municipal sewer system, the Federal Water Pollution Control Act of 1972 required that by 1983 all industrial wastewater dischargers install which of the following levels of pretreatment equipment?

A

A. Best practicable technology
B. Best allowable technology
C. Best practical technology
*D. Best available technology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A significant industrial user who knowingly fails to accurately report a discharge violation is:

A

*A. in significant non compliance
B. in normal compliance
C. officially reprimanded
D. subject to permit revocation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which one of the following is the most common pollutant from the circuit board industry?

A

A. Cadmium
*B. Copper
C. Cyanide
D. Zinc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

In the hierarchy of environmental management methods, which objective was given priority by congress in 1990.

A

A. Waste recycling
*B. Pollution prevention
C. Treatment
D. Disposal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of the following constituents listed below has little or no effect on biological treatment?

A

A. Chromium VI
B. Cyanide
C. Lead
*D. Boron

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Biological activity in long, sluggish-flow, flat grade sewers will likely cause:

A

A. Sedimentation
*B. increased gas production
C. an increase in BOD
D. a decrease in temperature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Which one of the following does an ORP meter measure?

A

A. Oxide-reformation point
*B. Oxidation-reduction potential
C. Osmotic-reflow potential
D. Organic-reduction point

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

In the precipitation treatment for heavy metals removal:

A

*A. chelation makes removal more difficult
B. metals are best treated at a neutral pH
C. chelation makes removal easier
D. the pH at which metals are soluble is not critical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Equipment blanks are a check for:

A

A. precision on the sampling equipment and technique
B. sample contamination during transport to the lab
*C. sampling device cleanliness
D. contamination in the preservative of the sample

22
Q

Which of the following is a false statement about quality assurance for sampling?

A

*A. it ensures proper sample collection techniques
B. it helps minimize monitoring errors
C. it controls the quality of the data to meet the program requirement
D. it describes the schedule for sampling equipment calibration

23
Q

The purpose of a field blank is to check on:

A

A. sample contamination originating from laboratory testing procedures
B. the cleanliness of the sampling equipment being used to draw and contain the sample
*C. sample contamination originating from transportation, shipping and site conditions
D. the sampling staffs ability to document proper information in the field during a sampling event

24
Q

What type of sampling pump is commonly used when drawing sample out of a sewer?

A

A. Trash
*B. Peristaltic
C. Centrifugal
D. Submersible

25
Q

For the typical range of industrial waste what are the common buffers used for calibration of a pH meter?

A

A. -1, 5, 10
B. 0, 7, 14
C. 1, 6, 12
*D. 4, 7, 10

26
Q

How should an inspector activate emergency response procedures?

A

A. By notifying the industrial user point of contact
B. by contacting local tv and radio stations
C. leave a voicemail to the treatment plant superintendents
*D. by immediately notifying their supervisor

27
Q

During contact with industry personnel, it is important to remember to:

A

A. build trust with a cooperative and friendly industry contact by letting them lead the inspection
*B. present your agency’s position in a fair and consistent manner to all discharges regardless of their financial ability or corporate structure
C. adjust requirements if a smaller industry does not have the resources that a larger industry of the same type has
D. show difficult industry contacts that you are the authority by requiring extra logs and reports

27
Q

What is the primary duty of an inspector when inspecting an industrial user?

A

A. Acts as a consultant to solve the industrial user’s technical difficulties
B. finds the solutions for the industrial user so they can meet the local limits at all times
C. mandates the industrial user to the best pretreatmentte4chnologies for their industrial wastewater
*D. inspect the facility for compliance with discharge regulations

28
Q

The legal authority of a POTW or other local Control Authority is determined by:

A

A. the EPA
*B. State law
C. permits
D. an attorney

29
Q

The minimum legal authorities granted to a POTW in 40 CFR 403 do not include the ability to:

A

A. deny or limit pollutants to the POTW
*B. divulge confidential business information
C. require compliance schedules by each industrial user
D. control the contribution to the POTW by each industrial user

30
Q

Which of the following is the most important thing to know about a confined space?

A

A. calibrate the testing equipment needed
B. have the confined space entry permit properly completed
C. have the fire department on standby
*D. recognize that it is a confined space

31
Q

What is the maximum sound level an employee should be exposed to during an 8 hour day?

A

A. 70 dBA
B. 80 dBA
*C. 90 dBA
D. 100 dBA

32
Q

To adequately prepare for an inspection, the first step is to;

A

A. ask the facility contact about the process and inspection history upon arrival to the site
B. make sure you have a clipboard, pen, and report forms necessary for the inspection
C. interview the neighboring industries to obtain an accurate picture of the activity on the site
*D. review the industrial user’s permit application and enforcement files in detail

33
Q

An inspector is required to report the density of a liquid whose specific gravity is 1.5. Which of the following values should the inspector report?

A

A. 0.180 lbs/gal
B. 1.85 lbs/gal
C. 9.84 lbs/gal
*D. 12.5 lbs/gal

34
Q

Which of the following should not be included in an inspector’s field notebook?

A

A. list of photographs taken
B. notes about documents
C. weather conditions
*D. inspector opinions

35
Q

Which one of the following statements is true?

A

*A. Pathogens can be bacterias or viruses that cause disease
B. pathogens can obtain their food supply without help
C. pathogens are always found in water
D. pathogens need oxygen to survive

36
Q

Which of the following gases is not generally monitored by an inspector with a gas detector?

A

*A. CO2
B. CO
C. O2
D. H2S

37
Q

During a facility inspection, you notice two chemical drums stored next to each other inside the building. What should you tell the industrial contact?

Drum 1 : Fire symbol with O
Drum 2: Fire symbol

A

A. The drum should be moved into a water-tight storage container
B. The drums should be moved to a sealed room
C. The drums need to be stored outdoors, but out of the sun
*D. The drums cannot be stored together

38
Q

Which if the following is a characteristic of Hydrogen Cyanide (HCN)?

A

A. Rotten egg odor
*B. Bitter almond odor
C. No odor at any concentration
D. Pungent sewer odor

39
Q

Which of the following wastewater-discharge control mechanism does EPA consider to be the most effective?

A

A. Best management Practices
*B. Wastewater Discharge Permit
C. Wastewater ordinance
D. Municipal Code

40
Q

Which of the following is not a minimum Federal requirement in an individual SIU permit or other control mechanism?

A

A. A statement of duration
*B. Hours of operation
C. Sampling location
D. Effluent limits

41
Q

Indirect dischargers are facilities that discharge wastewaters to:

A

A. the ground
*B. a POTW
C. a NPDES source
D. a holding pond

42
Q

Per 40 CFR 403, the Control Authority shall inspect and sample the effluent from most significant industrial users at least:

A

*A. once a year
B. once every 5 years
C. twice a year
D. once a month

43
Q

Convert 1569 ft^3 to gallons (round to the nearest whole number).

A

A. 10,169
*B. 11,811
C. 12,811
D. 13, 169

44
Q

Sewer use fees are based on measurement of indicators such as:

A

A. BOD, TDS and TSS
B. COD or BOD, and TSS
C. Fecal Coliform, BOD and Oil & Grease
*D. COD, Oil & Grease and TSS

44
Q

During an inspection, a facility’s water usage should be reviewed to determine if the :

A

A. facility qualifies industry for a rate reduction on its monthly water bill
B. facility has a leak somewhere in the process causing increased water usage results
*C. volume of water has changed dramatically since the last permit revision
D. facility is meeting its recycle and water restriction rates as required

45
Q

What is a document prepared by an industry which contains a Safety Data Sheet as well as additional information regarding the storage, handling and disposal of all chemicals used on site by the industry?

A

A. A Business Plan
B. A Toxic Organic Management Plan
*C. A Hazardous Material Management Plan
D. A Grease Interceptor Manifest

46
Q

Convert 3.45 mg/L of Cu to pounds per day of Cu taken from a volume of 1,200 gpd.

A

A. 1.25 lbs/day
*B. 0.0345 lbs/day
C. 3.45 lbs/day
D. 0.0309 lbs/day

47
Q

Which is not the best way to prepare for an inspection?

A

A. Review water usage for the past year
B. Review industry files
C. Prepare equipment needed
*D. Correct previous inspection report to reflect changes

48
Q

If sampling a Sewer System Overflow, bacteriological samples should be:

A

A. preserved with acid to a pH below 2
*B. collected in sterile containers
C. analyzed within 15 minutes
D. stored at room temperature