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Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...
Not to scare you, but gardening in Texas can be dangerous work. Know which plants to stay away from. ... A North Texas woman wrote a caution to residents in a Facebook group and said after pulling ...
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002).The list can be found as an appendix to 40 CFR 355. [1]
Lucrezia Borgia (d. 1519), alleged by rivals of the Borgia family to be a poisoner, using a hollow ring to poison drinks with white arsenic; Edward Squire (d. 1598), English scrivener and sailor executed for conspiring to poison Queen Elizabeth I and Robert Devereux, 2nd Earl of Essex; George Chapman, hanged after murdering three common-law wives
Those with a history of poison ivy or poison oak contact dermatitis may be most at risk for such an allergic reaction. During mango's primary ripening season, it is the most common source of plant dermatitis in Hawaii. Manihot esculenta: cassava: Euphorbiaceae: Roots and leaves contain two cyanogenic glycosides, linamarin and lotaustralin.
The Smokehouse Creek Fire is largest in Texas since 2005. East Amarillo Complex was the deadliest, Bastrop County Complex the most destructive. These are largest, deadliest and most destructive ...
Cyanide is a broad-spectrum poison because the reaction it inhibits is essential to aerobic metabolism; COX is found in many forms of life. [28] However, susceptibility to cyanide is far from uniform across affected species; for instance, plants have an alternative electron transfer pathway available that passes electrons directly from ...
The Spanish Flu, the second deadliest pandemic in history after the bubonic plague, along with the aftermath of World War I and ensuing political and social chaos, made 1918 a tough time to be alive.