D.
dispose of the excess as directed
True
Contamination levels can be measured by conducting tests on samples from the environment or from a substance. Techniques such as chemical analysis, microbiological testing, and using specialized instruments like spectrometers or sensors can help determine the presence and concentration of contaminants. The results are then compared to regulatory standards or guidelines to assess the level of contamination.
Potassium cyanide is a highly toxic poison that can be detected using various methods, including chemical tests, toxicology screenings, and forensic analysis. Its effects on the body, such as respiratory distress and rapid onset of symptoms, can also provide clues to poisoning. However, detecting it can be challenging due to its rapid metabolism and potential for contamination.
This standard procedure -dry and clean spatula in scooping solid chemicals from reagent bottle- should prevent contamination of - and exposure to dirt and humidity to - the other chemical reagents.
D.
When nuisance contamination is present, the alphabetic level used is typically referred to as "Level A" for chemical protection and "Level D" for respiratory protection. Level D is the lowest level of protection, indicating that there is no significant risk of exposure to hazardous materials, and standard work clothes and respirators may be sufficient. This level is suited for situations where contaminants are only a minor irritant or nuisance.
during chemical or biological warfare agent contamination
During chemical or biological warfare agent contamination.
The level used when nuisance contamination is present, requiring only the lowest form of chemical intervention, is typically referred to as "Level 1" or "Tier 1" response. This level involves minimal intervention and often includes basic cleaning or maintenance to address the issue without significant chemical application. It aims to mitigate minor contamination while ensuring safety and compliance with environmental standards.
It provides 24 hour continuous eye and respiratory protection in nuclear and chemical environments
Respitory protection & Chemical protective garments
Chemical contamination can render the affected foods less safe.
False
initial follow-on
respiratory
Yes, PCBs (polychlorinated biphenyls) can be managed and removed through various cleanup methods, though complete eradication can be challenging. Cleanup strategies include incineration, chemical dechlorination, and excavation of contaminated soil. However, these processes can be costly and complex, often requiring specialized procedures to ensure safety and environmental protection. Ongoing monitoring and management are typically necessary to prevent further contamination.