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  2. Chemical hazard - Wikipedia

    en.wikipedia.org/wiki/Chemical_hazard

    Chemical hazards are hazards present in hazardous chemicals and hazardous materials.Exposure to certain chemicals can cause acute or long-term adverse health effects. . Chemical hazards are usually classified separately from biological hazards (bio

  3. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution is the presence of substances in the atmosphere that are harmful to humans and other living beings, or cause damage to the environment. Air pollution can be chemical, physical or biological. [1]

  4. Air pollution in Mexico City - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_in_Mexico_City

    Members of sensible groups can present serious issues. This interval activates the phases precontingencia (precontingency) and contingencia fase I (1st contingency phase) of the Programa de Contingencias Ambientales Atmosféricas(PCAA) del Valle de México (Atmospheric Environmental Contingencies Program of Mexico City).

  5. I live in Barcelona. Here are 6 of my best tips for exploring ...

    www.aol.com/live-barcelona-6-best-tips-141702573...

    I'm a food and beverage writer living in Barcelona, so I've spent years exploring beautiful wine regions around Spain. Here are my recommendations.

  6. 'Like we won Satan's lottery': These 'lucky ones' are moving ...

    www.aol.com/won-satans-lottery-lucky-ones...

    Katt and other firefighters were dispatched. The fire was on top of them within a few minutes of their arrival. The hours that followed were something out of a nightmare.

  7. Contamination - Wikipedia

    en.wikipedia.org/wiki/Contamination

    Within the sciences, the word "contamination" can take on a variety of subtle differences in meaning, whether the contaminant is a solid or a liquid, [3] as well as the variance of environment the contaminant is found to be in. [2] A contaminant may even be more abstract, as in the case of an unwanted energy source that may interfere with a process. [2]

  8. Which US companies are pulling back on diversity initiatives?

    www.aol.com/us-companies-pulling-back-diversity...

    A number of prominent companies have scaled back or set aside the diversity, equity and inclusion initiatives that much of corporate America endorsed following the protests that accompanied the ...

  9. Contamination control - Wikipedia

    en.wikipedia.org/wiki/Contamination_control

    Contamination control is the generic term for all activities aiming to control the existence, growth and proliferation of contamination in certain areas. Contamination control may refer to the atmosphere as well as to surfaces, to particulate matter as well as to microbes and to contamination prevention as well as to decontamination.