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Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.
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
Iraq poison grain disaster: A mass poisoning by grain treated with a methylmercury fungicide which was imported to the country as seed and never intended for human consumption. According to several estimates, the recorded death toll varies from 459 to 650 people, though much higher estimates have been offered.
Portable generators, which emit carbon monoxide, are among the deadliest consumer products. Two decades after the government identified the danger, people are left vulnerable by a system that lets ...
North Central Ohio is battling a full bloom of poison hemlock, a weed that experts say is toxic and deadly and is more visible in the area this year than ever before.
Europe and North America Amanita cokeri: Coker's amanita 2-amino-3-cyclopropylbutanoic acid and 2-amino-5-chloro-4-pentenoic acid [10] North America Amanita vittadinii. Amanita strobiliformis. Edible Agaricus species Amanita cothurnata: Booted amanita muscimol and ibotenic acid [11] North America Amanita echinocephala: European solitary amanita ...
If your pet has eaten a wild mushroom, the department recommends calling the ASPCA Animal Poison Control Center’s 24-hour hotline at 888-426-4435 or a veterinary emergency clinic.