Chp 10 Evaluating The Environment

Question 1

The time of day will likely influence the number of — potentially exposed to a hazardous material, while weather, especially —, can influence the behavior hazardous materials.

Answer 1

People

Temperature

Question 2

3 environmental factors?

Answer 2

Location

Weather

Time of day

Question 3

The — of an incident has a tremendous influence in just how serious the incident really is.

Vs

The — will likely influence the NUMBER of people potentially exposed to a hazardous material.

Answer 3

Location

Time of day (numbers tell the TIME)

Question 4

Name 4 critical systems (meaning disruption could severely impact a community’s quality of life)

Answer 4

• highways
• waterways
• utilities
• Industrial or commercial areas

Question 5

Local and state — can also provide valuable input when first responders are assessing whether specific types of wildlife may be affected by a release.

Answer 5

Game wardens

Question 6

Who may be able to provide information relative to the location of storm drains and utility lines.

Answer 6

Public works Officials

May have maps and charts also

Question 7

Conduits used for utility lines may serve as a means for hazardous —and —to move between buildings or perhaps between underground utility vaults.

Answer 7

Vapors and gases

Question 8

First responders must also remember that CRACKS in underground pipes can allow for the migration of — materials.

Answer 8

Liquid hazardous
(Petroleum)
(Special concern after heavy rain)

Question 9

Weather:

Few temporary built containment barriers can withstand the impact of:

Answer 9

Heavy rain

Question 10

Weather:

— can easily move dangerous gases and vapors.

Answer 10

Wind

It can also dilute which reduces hazard levels

Question 11

Weather:
Responders must be prepared to relocate if they suddenly find themselves —wind of a chemical release and stay alert for —.

Answer 11

Downwind

Odors

Question 12

Time of day:
One of the most critical for first responders is that outdoor temperatures generally associated with daylight hours can potentially — the internal pressure of containers.

Answer 12

Raise

Question 13

First responders evaluating the environment during a hazardous materials incident must ALWAYS consider the:

Answer 13

The location of the incident

Question 14

What 2 things will determine the working conditions for first responders?

Answer 14

Weather and time of day

Question 15

What can also provide a cool place for hazmat teams to stage prior to entry using chemical protective clothing.

Answer 15

Ambulances

Question 16

First responders should always make arrangements to provide for shelter of those on scene, usinng nearby buildings or perhaps even — if necessary.

Answer 16

A school bus

Question 17

First responder using (table 1) of the ERG need to pay special attention to what?

And why?

Answer 17

The time of day

Because distances found in that table usually INCREASE for incidents that occur at NIGHT

Question 18

What is one of the best ways to provide for safety at night time incidents?

Answer 18

Portable lighting

Question 19

During any operation that involves weather EXTREMES, first responder should never hesitate to

Answer 19

Request to have medical personnel on site in anticipation of weather related illness.

Question 20

Time of day

The time of day has numerous potential impacts. One of the most critical for first responders is that higher outdoor temperatures generally associated with daylight hours can potentially:

Answer 20

Raise the internal pressure of containers

Question 21

The — will likely influence the NUMBER of people potentially exposed to a hazardous material.

Answer 21

Time of day

Question 22

*When containment basins and temporary barriers fail due to heavy rains, what should first responders do?

Answer 22

First responder should at least attempt to locate the direction and ultimate destination of any contaminated run off, since the material may still impact waterways or water intakes, or it may affect treatment plants that manage stormwater.

Question 23

First responder should also keep in mind that — and — are subject to CHANGE with LITTLE warning.

Answer 23

Wind speed and direction