TB 61 - Scrubber Systems

Question 1

A what is where contaminated air from various industrial processes are cleaned and dried before being exhausted into the atmosphere?

Answer 1

Scrubbed system

Question 2

Contaminated recovered by the scrubber systems are stored at the scene in what for reuse, neutralization and/or disposal?

Answer 2

Barrels or vats

Question 3

Recognizing a scrubber system will tell you that you are working above or around what that contain vaporizing emissions of a hazardous nature?

Answer 3

Vat or tanks

Question 4

What type of chemicals will be found for the installation of scrubber systems?

Answer 4

Corrosives
Ammonia
Sulfur dioxide
Oxides of nitrogen
Acid
Caustics
Alcohol vapors

Question 5

These scrubber systems are installed under what LAMC permits?

Answer 5

Fire code

Mechanical code

Question 6

Who inspects scrubber systems?

Answer 6

Air quality management district

Question 7

The scrubber system is installed directly over what or have duct work leading to it?

Answer 7

Vat

Question 8

Fiberglass ducting is generally for what type of vapors?

Answer 8

Nonflammable corrosive vapors

Question 9

Metal ducting is installed for what type of vapors or particulates?

Answer 9

Flammable

Question 10

What on the roof will show you the location of the hazard?

Answer 10

Roof ducting

Question 11

All scrubber systems evacuate air, put contaminated air through a washer unit and then do what before exhausting it into the atmosphere?

Answer 11

Dry

Question 12

With the exception of very large scrubber systems, most units will be located where?

Answer 12

On the roof

Question 13

The very large scrubber systems will usually be located where and geographically close to the vaporizing emission process?

Answer 13

Ground level, outside of building

Question 14

What type of scrubber systems are there (4)?

Answer 14

Water wash method
Filtration method
Chemical neutralization method
Thermal destruction method

Question 15

Find a scrubber system during pre fire planning or firefighting operations will alert firefighters of greater than normal hazards in the air of what if a fire should occur?

Answer 15

Smoke

Question 16

Many scrubber systems are visible from the street and under fire conditions who will probably discover it and should communicate their findings to the IC?

Answer 16

Ventilation team

Question 17

Firefighters should be aware that when entering buildings equipped with scrubber systems that they stand a chance to being exposed to what?

Answer 17

Hazardous or toxic substances