HAZMAT Response Properties & Actions Flashcards

1
Q

Absorption

A

The process of applying a material (an absorbent) that will soak up and hold a HM in a sponge-like manner, for collection and disposal.

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2
Q

Confinement

A

The process of keeping a HM on the site or within the immediate are of the release.

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3
Q

Containment

A

Actions relating to stopping a HM container from leaking, such as patching, plugging, or righting the container.

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4
Q

Damming

A

A process used when liquid is flowing in a natural channel or depression and its progress can be stopped by blocking the channel.

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5
Q

Diking

A

The placement of materials to form a barrier that will keep a HM in liquid form from entering an area, or that will hold the material in an area.

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6
Q

Dilution

A

The process of adding some substance – usually water – to a product to weaken its concentration.

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7
Q

Diversion

A

Redirecting spilled or leaking material to an area where it will have less impact.

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8
Q

Recovery Phase

A

The stage of HM incident after the imminent danger has passed, when clean-up and the return to normalcy have begun.

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9
Q

Remote Shut-off Valves

A

Device designed to retain a HM in its container.

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10
Q

Retention

A

The process of purposefully collecting HMs in a defined area. It may include creating that area – by digging, for instance.

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11
Q

Shelter-in-place

A

A method of safeguarding people in a hazardous area by keeping them in a safe atmosphere, usually inside structures.

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12
Q

Vapor dispersion

A

The process of lowering the concentration of vapors by spreading them out.

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13
Q

Vapor Suppression

A

The process of controlling vapors given off by hm’s, thereby preventing vapor ignition, by covering the product with foam or other material or by reducing the temperature of the material.

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