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The acute toxicity of ethylbenzene is low, with an LD 50 of about 4 grams per kilogram of body weight. The longer term toxicity and carcinogenicity is ambiguous. [8] Eye and throat sensitivity can occur when high level exposure to ethylbenzene in the air occurs. At higher level exposure, ethylbenzene can cause dizziness. [4]
After smoking 32 cigarettes per day, the smoker would take in about 1.8 milligrams (mg) of benzene. This amount is about 10 times the average daily intake of benzene by nonsmokers. [106] Inhaled benzene is primarily expelled unchanged through exhalation.
Acceptable daily intake or ADI is a measure of the amount of a specific substance (originally applied for a food additive, later also for a residue of a veterinary drug or pesticide) in food or drinking water that can be ingested (orally) daily over a lifetime without an appreciable health risk. [1]
Smoking: For smokers, cigarette smoking is the main source of exposure to benzene. Estimates are 7900 μg per day (smoking 20 cigarettes per day), [10] 1820 μg/day, and 1800 μg/day. [9] Passive smoking: Benzene intake from passive smoking is estimated at 63 μg/day (Canada) and 50 μg/day. [9] Diet and drinking water: 0.2 to 3.1 μg per day. [9]
[3] [7] Commercial or laboratory-grade xylene produced usually contains about 40–65% of m-xylene and up to 20% each of o-xylene, p-xylene and ethylbenzene. [8] [9] [10] The ratio of isomers can be shifted to favor the highly valued p-xylene via the patented UOP-Isomar process [11] or by transalkylation of xylene with itself or trimethylbenzene.
How much vitamin D do you need per day? The recommended daily intake of vitamin D for healthy people varies by age, per the NIH . Children (1–18 years): 15 mcg or 600 IU
According to the FAO, the average minimum daily energy requirement is approximately 8,400 kilojoules (2,000 kcal) per adult and 4,200 kilojoules (1,000 kcal) a child. [3] This data is presented in kilojoules, as most countries today use the SI unit kilojoules as their primary measurement for food energy intake, [ 4 ] with the exception of the ...
Cage-Free. As the label implies, the hens that produce cage-free eggs, do indeed live outside of cages.However, that does not mean that they have room to roam around. "They are often kept indoors ...
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