Categories of toxicity

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  • Food can be defined as the nutritive material taken into an organism for growth, work, or repair and for maintaining the vital processes. Food sustains life, and, as such, many individuals view food as an uncomplicated, pure source of nutrition. Therefore, such individuals are often bewildered to learn that food is comprised of an array of natural chemicals, and not all the chemicals are nutrients or enhance nutritive value, but in fact may decrease nutritional value or, worse still, are toxic (e.g., naturally occurring toxicants).

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  • Let’s see what the dinner party will involve? (See illustration of work breakdown structure) It is a lot more complicated than one would think. Major tasks include setting up and running the dinner, entertainment, and silent auction, finding a dinner speaker and clean up after the dinner is over. Beneath these major tasks are subtasks broken into 16 discrete categories. Each of the subtasks will break down into repeated or “one-off” steps. The complete list of steps with milestones runs to 75 entries. (See illustration of task list). ...

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  • ADC’s TrueNet® Category 6 Limited Combustible Cable addresses some of the combustibility and toxicity safety concerns that network installers and users have raised regarding the proliferation of traditional plenum cable. Combustibility and toxicity have long been an industry issue, and as more and more cable proliferates, especially in plenum or air-carrying environments, safety concerns continue to trouble network installers and users. The longstanding requirements and de facto standard of NFPA 262 outline the combustibility requirements allowable in plenum spaces....

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