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  2. Polychlorinated biphenyl - Wikipedia

    en.wikipedia.org/wiki/Polychlorinated_biphenyl

    After a four-week trial, the jury found that Monsanto's production and sale of PCBs between 1935 and 1977 were not substantial causes of the cancer. [ 80 ] In 2015, the cities of Spokane, San Diego, and San Jose initiated lawsuits against Monsanto to recover cleanup costs for PCB contaminated sites, alleging that Monsanto continued to sell PCBs ...

  3. Causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Causes_of_cancer

    Ionizing radiation may be used to treat other cancers, but this may, in some cases, induce a second form of cancer. [74] Radiation can cause cancer in most parts of the body, in all animals, and at any age, although radiation-induced solid tumors usually take 10–15 years, and can take up to 40 years, to become clinically manifest, and ...

  4. Mobile source air pollution - Wikipedia

    en.wikipedia.org/wiki/Mobile_source_air_pollution

    Each of these vehicles must meet specific emissions targets before being allowed to obtain or renew vehicle registrations. Many of these programs are administered on the local and county level. For example, the Clean Air Car Check is a vehicle emissions-testing program for all vehicles registered in Lake and Porter counties in Indiana. The two ...

  5. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).

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  7. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    GVWR ≥14,000 exempt, as are full time four wheel drive light duty diesels with a wheelbase ≥182 inches. Annually. Light duty diesel emission inspections are conducted by using an opacity meter and dynamometer. A visual inspection for tampering of emission control devices is also part of the inspection procedure. Emissions testing is ...

  8. Carcinogen - Wikipedia

    en.wikipedia.org/wiki/Carcinogen

    Breast cancer is the second most common cancer [(1.4 million cases, 10.9%), but ranks 5th as cause of death (458,000, 6.1%)]. [42] Increased risk of breast cancer is associated with persistently elevated blood levels of estrogen . [ 45 ]

  9. Infectious causes of cancer - Wikipedia

    en.wikipedia.org/wiki/Infectious_causes_of_cancer

    [40] [9] Due to the prevalence of infection by H. pylori in middle-aged adults (74% in developing countries and 58% in developed countries in 2002 [41]), and 1% to 3% likelihood of infected individuals developing gastric cancer, [42] H. pylori-induced gastric cancer is the third highest cause of worldwide cancer mortality as of 2018.