HAZ EXAM 1 Flashcards
An “escape-only” type is SCBA provides on ____ to ____ minutes of respiratory protection, depending on the model and the wearers rate of breathing.
5 to 15
What does NIOSH consider to be the best type of respirator for leve-A PPE ?
SCBA
A person working in heavy protective clothing shows, pale, cool, moist skin; heavy sweating ; nausea ; fainting. This person is suffering from :
Heat exhaustion
You are asked by a client to remove several drums of oleum from behind the clients factory, what level of PPE would you prescribed ?
Level A
Full-face organic filter respirators are recommended for :
Working in areas where the particulate level are not immediately dangerous.
Air supplied respiratory equipment is needed in areas where the air has an oxygen content of ____ or less
19.5%
Training in PPE use should be repeated at least every :
Year
A worker wearing impermeable or semi-permeable clothing and equipment is at significantly risk of developing:
Heat stress
Safe means of escape must be provided when workers are in trenches ____ or more deep, and they must be located so that no more than 25 ft of lateral travel is required .
4 feet
Employees who enter excavations _____ or more deep must be protected by a system of shoring, sloping of the ground, benching, or other alternate means.
5 feet
OSHA recommends that opening of crawl spaces, hatches, doorways, etc. for each personnel wearing personal protection equipment be at least _____ side.
3 feet
Diagonal shores ( struts) in excavations and trenches must not be placed at an angle greater than ____ to the horizontal
45˚
A “shipping paper” is a document used to :
Identify the freight being offered for transportation
Who is responsible for the preparation of shipping papers given to the initial carrier along with the shipment of hazardous materials ?
The shipper
Before accepting a shipment, _____ must be sure that the shipping paper was correctly prepared by the shipper.
The carrier
How many soil samplers need to be taken when testing a 12,000 gallon fuel tank with 100’ of piping and a 500 gallon oil tank at the same location ?
9
Two soil samples should be taken from each tank, one from either end. Additional , one soil sample should be taken every 20 feet of pipe. 100’ ÷ 20’ =5 samples for the pipe.
For how long is the request number valid after USA lays out the markings ?
14 days
What size storage tank is allowed on a farm ?
1,000 gallon
Lifting cable straps on underground storage tank should be as vertical as possible and should be no more than ____ from vertical .
30˚
Which of the following is best for sample tests of volatile soils ?
A. PVC
B. Polyethylene
C. Glass vials
D. Stainless steel or brass cylinders.
D. Stainless steel or brass cylinders
Sludges from a waste water treatment plant get regulated by:
RCRA
How much training is required for a refresher course on underground storage tank removal ?
8 hours
How much training is required when a hazardous removal supervisor is removing an underground storage tank ?
48 hours
Material with pH less than 2 or greater than 12.5 is considered hazardous due to :
Corrosivity