Hazwoper 8hr refre - Study guides, Class notes & Summaries

HAZWOPER 8hr Refresher Test - Questions and Answers An oxygen-enriched atmosphere is defined as one containing more than what percentage of oxygen? A 19.5% B 21% C 23.5% D 10% Fiber concentrations are usually measured in: A ppm B mg/m3 C psi D f/cc The exposure level to which workers should never be exposed, even for a short time, is known as the: A STEL B TWA C Ceiling D TLV You are exposed to acetone at a concentration of 80 ppm for 6 hours and 20 ppm for 2 hours. What is the TWA? A 8 ppm B 2...

Which of the following is NOT an employer responsibility? - ANSWER Follow SOPs and wear required PPE Which one of these statements is NOT true? - ANSWER Employers take all responsibility under the OSH Act What section of OSHA covers Hazardous Waste Operations and Emergency Response? - ANSWER 29 CFR 1910.120 Which Is NOT a source for OSHA Standards? - ANSWER Work Standards developed by he individual company The HazCom program must be written and available to employees - ANSWER Tr...

What should be used as baseline data for hazardous waste site workers? - ANSWER Pre-employment exams At least annually, the site officer must do what? - ANSWER All of the above (Evaluate the efficiency of specific medical testing, Add or delete medical tests if needed, Update emergency procedures) Records should be kept and preserved for ______ years after employment. - ANSWER 30 Which of the following components should a medical program provide? - ANSWER All of the above (Medical s...

Employees must remove their gloves in such a manner as to prevent what? - ANSWER Skin contamination Which class of helmets provides impact and penetration resistance as well as electrical protection from low-voltage conductors? - ANSWER (Formerly Class A) Class G What are the symptoms of heat stroke? - ANSWER very small pupils, confusion, unconsciousness and very high body temperature Which class of helmets is made of aluminum that conducts electricity and, therefore, should not be w...

The two viruses of greatest concern are: - ANSWER Hepatitis B and HIV Which of the following is/are step(s) to be taken when performing a job safety analysis? - ANSWER All of the above Who is responsible for assessing the potential risk of a hazard by determining whether a level of risk is acceptable and how to lower it? - ANSWER The Site Health and Safety Officer In what way is HBV much hardier than HIV? - ANSWER It can exist on a surface outside the body for up to seven days An...

What information should be collected before any personnel is allowed to go on-site? - ANSWER All of the above Which plan outlines what needs to be accomplished and then, prescribes procedures to protect the health and safety of the entry team? - ANSWER The Site-Safety Plan The site safety plan is developed using information from the ____ - ANSWER Off-site survey Photographs can be used as an accurate form of documentation because? - ANSWER They are objective additions to written obs...

The degree of permeation depends on what factor(s)? - ANSWER All of the above (Contact time, Concentration, Physical state of wastes) Which of the following is NOT an example of a standard operating procedure for decontamination? - ANSWER Disposed of all equipment after contamination, regardless of the circumstances Decontamination facilities should be located in ______ - ANSWER The contamination reduction zone In an emergency, the primary focus is to prevent the loss of life or se...

it is possible for the interaction of two chemicals can produce less than the expected result. - ANSWER True An example of a chronic response to chemical exposure is: - ANSWER Liver, kidney or lung damage Which method of toxic chemical entry is the lease commonly found at the workplace? - ANSWER Injection _____ are chemicals that affect the brain and spinal cord. - ANSWER Neurotoxins Ceiling refers to which of the following: - ANSWER The level that can never be exceeded during any...

It is possible for the interaction of two chemicals can produce less than the expected result. Correct answer true Toxicology is the study of ___ and the degree to which a substance can be harmful to living things. Correct answer chemical toxicity Ceiling refers to which of the following: correct answer the level that can never be exceeded during any part of the working exposure without protective actions What form can a toxic substance take? Correct answer all the above: solid, liquid,...