What is the contamination reduction zone?
The Contamination Reduction Zone (CRZ) is the transition area between the contaminated area and the. clean area. This zone is designed to reduce the probability that the clean Support Zone will become. contaminated or affected by other site hazards.
What is the area of hazardous contamination known as?
The exclusion zone (or hot zone ) is the area with actual or potential contamination and the highest potential for exposure to hazardous substances. The contamination reduction zone (or warm zone ) is the transition area between the exclusion and support zones.
What precautions must you take to enter a contaminated area?
Standard Precautions Hand hygiene. Use of personal protective equipment (e.g., gloves, masks, eyewear). Respiratory hygiene / cough etiquette. Sharps safety (engineering and work practice controls). Safe injection practices (i.e., aseptic technique for parenteral medications). Sterile instruments and devices.
What is the purpose of the contamination reduction zone?
The Contamination Reduction Zone , or CRZ, is a warm zone or transition zone . Its purpose is to reduce the probability of contamination in the clean Support Zone . The Contamination Reduction Corridor is the passageway between the Hot Zone and the Support Zone . The CRZ’s primary function is a place for decontamination.
What are the two primary methods of decontamination?
Decontamination methods either (1) physically remove contaminants, (2) inactivate contaminants by chemical detoxification or disinfection / sterilization , or (3) remove contaminants by a combination of both physical and chemical means.
What is a site control plan?
The site control program shall, as a minimum, include: A site map; site work zones; the use of a “buddy system”; site communications including alerting means for emergencies; the standard operating procedures or safe work practices; and, identification of the nearest medical assistance.
How do you read hazmat labels?
For example: Red placards indicate the material is flammable; Green placards indicate the material is non-flammable; Yellow placards indicate the material is an oxidizer; Blue placards indicate the material is dangerous when wet; White placards indicate the material is an inhalation hazard and/or poison;
What is the exposure of two different toxic chemicals?
In toxicology, synergism refers to the effect caused when exposure to two or more chemicals at one time results in health effects that are greater than the sum of the effects of the individual chemicals .
Which of the following is an element of a site control plan?
The site control program shall, as a minimum, include: A site map; site work zones; the use of a “buddy system”; site communications including alerting means for emergencies; the standard operating procedures or safe work practices ; and, identification of the nearest medical assistance.
How do you properly handle chemicals?
General rules for handling chemicals Do not return chemicals to their original packaging. Keep chemical containers closed. Never use the wrong or an unmarked reagent. Never use spatulas, stirrers or other objects in what was originally a storage container for chemicals .
What is the last step in basic six step decontamination line?
What follows is an example of a basic six – step decontamination line . As stated earlier, each step should be separated physically to prevent cross contamination and should be arranged in order of decreasing contamination. Station 3 – Air tank change (NOTE: this is the last step if worker returns to Hot Zone.)
How can you minimize the harmfulness of materials?
Good housekeeping is a very important way to prevent exposure to toxic materials . A clean and orderly workplace is safer for everyone. Have appropriate spill control equipment and procedures. Avoid dry sweeping of solid materials . Properly dispose of unlabelled or contaminated chemicals.
What does a bulging drum usually indicate?
Symbols, words, or other marks on the drum indicating that its contents are hazardous, e.g., Signs that the drum is under pressure such as swelling and bulging .
Does OSHA require site specific hands on training for the 40 hour Hazwoper training?
As was stated in our July 2 letter, ” OSHA expects, as part of the 40 – hour (or 24- hour ) training requirement, that a trainee be able to don, doff, touch, feel, and otherwise manipulate a particular piece of personal protective equipment that an employer of a specific site may require or provide to protect their
What is the least reliable identification method and poses the highest risk for exposure?
Show-ups is the least reliable identification method and poses the highest risk for exposure .