Toxicology testing

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  • Aroclor 1242 Case

    chemicals that did not even exist until 1976, the process that led to the 1983 NAS risk assessment paradigm. The fact that NCR had phased out Aroclor 1242 from its entire product line well before this timeframe demonstrates corporate responsibility during a period of rapidly expanding awareness concerning multifaceted hazards posed by environmental chemical pollution. 2. Hill Top Research Institute, Inc. (Hill Top) conducted dozens of toxicity studies for NCR to assess the potential toxicity of NCR’s CCP, its components, and a replacement for its Aroclor 1242 solvent. These tests, when considered collectively, demonstrated that CCP and its components had low to negligible toxicity. However, to show that NCR should have known from the testing program that PCBs were toxic to animals, Dr. Rodricks selectively discusses only the two studies that report liver effects. In fact, according to the pathologists reviewing the test results, the liver toxicity could not be attributed to the test material because of the lack of a dose-response relationship and the presence of a parasitic infection in the animals that confounded the results. Thus, contrary to Dr. Rodricks’s assertions, NCR had no scientifically credible reason to conclude that the potential toxicity of CCP and its components would likely result in risks at environmental levels of exposure. 3. Dr. Rodricks opines that NCR should have known of the risks from PCBs to human health and the environment from the time it…

    Words: 1760 - Pages: 8
  • Skin Peeling: A Case Study

    (Office of Environmental Health Hazzard Assessment, 2015). Effects of Animal Exposure As previously stated animals and humans are both affected by phenol exposure. Animals have exhibited the same types of side effects as humans. Animals are exposed to phenol the same way as human exposure; via inhalation, oral, and direct contact. Through inhalation exposure animals have experienced the following: • pulmonary damage • myocardial injury • liver damage • renal damage • neurological effects…

    Words: 1410 - Pages: 6
  • Pesticides In Society

    The use pesticides are widely used in our society today. People today use it to exterminate unwanted pests, such as rodents, insects and molds. There are initially three categories of pesticide substances: insecticides, herbicides, and fungicides—all of which specializes in the way it destroys certain pests. Insecticide fights against insects that “feed on crops, leaves, roots, and other parts of plants” (Naveen et al 125). This is the type of pesticide that may be used in most parks, gardens,…

    Words: 705 - Pages: 3
  • Stereotypes Of The Millennials In The 21st Century

    is not my case. For instance, I have become aware that this sensation in my nose is not always present. But on the contrary, it is usually more sensitive when I am in an area that holds a large amount of automobiles traveling around. This realization has shown me that the reason for my, so called problem, is caused by the excessive amount of emission being released by vehicles into the open air, thus explaining why my nose burns. In addition to this, I would like to make it clear that I am…

    Words: 2057 - Pages: 9
  • Arguments In Favor Of Animal Testing

    Chase Rocker Savage 1101 Period 2 November 7, 2016 Animal Testing Strapped to a table with no means of escape, a rabbit squirms to avoid the toxic eye-drop being forced into its ultra-sensitive eye. It shrieks as the drops leave chemical burns on its eye, often blinding it in the process. It endures this pain, sometimes for over a week, as scientists poke and prod to rate the swelling and corneal opacity. All of this suffering is inflicted merely to determine if the product is acceptable for…

    Words: 1766 - Pages: 8
  • Lead Poisoning Essay

    Lead. Why should we care? Lead, it surrounds and penetrates, it binds in water pipes and the walls of homes. With lead having been outlawed for several years now it still seems to be a real big problem in America. despite being aware of the problem many Americans and lawmakers seemed to have simply ignore the problem and pretend it wasn’t there. It wasn’t until early 2016 that the public took interest when the water in Flint, Michigan was laced with lead and soon there were reports…

    Words: 916 - Pages: 4
  • Daphnia Experiment Reaction Paper

    Subject Organisms For this experiment, I used Daphnia magna and Daphnia pulex that was cultured from stocks from Aquatic Bio Systems Inc. (Fort Collins, CO). Each species was cultured individually in 900 mL glass jars filled with moderately hard water. I created moderately hard water using the recipe as follows: 0.473 g CaSO4 , 0.959 g NaHCO3 , 1.223 g MgSO4 • 7H2O , and 0.039 g KCl per 10 L of deionized water. All references to water for the remainder of the paper refers to moderately hard…

    Words: 1068 - Pages: 5
  • Lead Poisoning Research Paper

    Lipstick and Lead Poisoning Throughout history many unhealthy substances, including lead, have been used as ingredients during the various times in the history of makeup. Modern day cosmetics are more controlled, regulated and their ingredients and the potential side effects are more fully understood. However, recent research by the Campaign for Safe Cosmetics and the Food and Drug Administration (FDA) indicate that there are approximately 400+ best-selling lipsticks on the market today that…

    Words: 935 - Pages: 4
  • Medical Experiments: Why Do People Use Animal Testing?

    Animal Testing Imagine that you buy a new eye shadow or a new lipstick and you are going to use it. After you use that product you realize that using that product caused you a type of cancer and now you have to pay for the treatment. Also, they give you two options for your treatment, one is tested on animals and the other one is tested in vitro studies or computer models. Obviously, most of the patients will choose the medicine that was tested on animals. The definition of animal testing or…

    Words: 1762 - Pages: 7
  • Forensic Toxicology: Arsenic Poison

    Forensic Toxicology: Arsenic Poison Glenda Cabrera George Mason University Abstract This paper will focus forensic toxicology. Starting off with the meaning of the two words; followed by the father of toxicology. This paper will more specifically focus on the effects that arsenic poison has on the human body. Also how often time it is confused with just being a common illness like food poison. But the most important is how it is undetectable until it’s too late and the body is undergoing…

    Words: 1698 - Pages: 7
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