Smorgasbord
What is the time in which one half of the atoms of a particular substance disintegrate into another nuclear form?
Half-life
Two part question.
How many hours is the initial HazWoper training?
How many hours is the refresher training?
Initial 40 hours
Annual refresher 8 hours
On a pH scale from 0-14 with 7 being neutral, what would a value of 3 be considered?
Acidic
ANSI Z89.1 covers what specific type of PPE?
Hard hats
29 CFR 1910.1200 is known as what standard?
Hazard Communication
What radiation particles are an internal hazard, not an external hazard.
Alpha radiation
Two-part question.
Oxygen level below 19.5% is considered _________.
Oxygen level above 23.5% is considered ________.
< 19.5 Oxygen deficient atmosphere
> 23.5 Oxygen Enriched atmosphere
What is heavy, soft, silvery-gray metal that is used in the production of storage batteries, ammunition, pigments, ceramic glazes, casting metals, and solders?
Lead
The very top of a step ladder is known as ___________?
The top cap.
What are the two signal words use to indicate the relative level of severity of the hazard and alert the reader of a potential hazard on the label?
There are only two words used as signal words, "Danger" and "Warning".
You see a signal person with both arms extended horizontally to the side, palms down, and are swinging back and forth. What is this signal?
Emergency Stop
What is the name of the work zone where hazardous contamination is either known or expected to occur and the greatest potential for exposure exists? Control entry into this area and exit may only be made through this area.
Exclusion Zone (EZ)
The flammable range for gasoline is 1.4% (LEL) to 7.6% (UEL). If your meter showed 8.0% you would say it was too ______ to burn.
What is the acronym that is used to remember how to use a fire extinguisher?
P.A.S.S.
SDSs are structured into how many standardized sections, each addressing specific aspects of chemical safety?
16
All rated capacities listed in load charts are based on________ and _________.
Strength and stability. These capacities are normally identified by dividing the chart by using a bold line.
Name the work zone that transitions between the exclusion zone and support zone. Personnel and equipment decon areas must be separate and unique areas located in this zone.
Contaminated Reduction Zone (CRZ)
Vapor density of helium is 0.14. What cause or reaction would you expect to see?
The helium gas is lighter than air and would rise.
Extension cords shall be a minimum ________ AWG.
14 (hard or extra hard usage)
Identify the symbol of the HazCom pictogram for irritant (skin and eye), skin sensitizer, acute toxicity, narcotic effects, respiratory tract irritant, hazard not otherwise classified and hazardous to the ozone layer
Exclamation Mark
On a multi-gas meter (toxicity, oxygen, flammable), identify the sequence order of sensor checks.
Oxygen (O2), flammable gas LEL, toxic gas (CO, H2S)
You are at a superfund site where the EPA chemical protection level includes an air-purifying respirator with adequate splash protection for the hazard encountered. What protection level is this?
Level C
What is the ACGIH threshold limit valve (TLV) for lead over an 8 hour workshift?
0.05 mg/m3
You can react to a fall in 2/3 of second. How fall will you have fallen in the time?
7 feet
Identify the symbol of the HazCom pictogram for Acute Toxicity (fatal or toxic).
Skull and Crossbones