Latest Reference dose Stories

2011-02-02 14:35:00

Statement From The Perchlorate Information Bureau (PIB) SACRAMENTO, Calif., Feb. 2, 2011 /PRNewswire-USNewswire/ -- The best available science, federal statute and EPA's own Office of Inspector General all point to the conclusion that a national perchlorate standard is not needed and would not provide a meaningful public health benefit. According to EPA guidelines, for a federal standard to be warranted on any compound, three criteria must be met: The compound must cause an adverse...

2011-01-10 16:14:00

SACRAMENTO, Calif., Jan. 10, 2011 /PRNewswire/ -- The best available science overwhelmingly points to the conclusion that California's current perchlorate public health goal (PHG) of 6 parts per billion in drinking water is exceptionally conservative and highly protective of public health. California's proposed decision to lower the PHG to 1 part per billion would jeopardize water supplies and increase costs for water consumers statewide without any corresponding public health benefit....

2009-08-18 13:01:20

Scientists say the four-day testing period the U.S. Environmental Protection Agency uses to determine safe levels of pesticide exposure is too short. The University of Pittsburgh researchers said they found the highly toxic pesticide endosulfan -- a neurotoxin banned in several nations, but still used extensively in U.S. agriculture -- can exhibit a lag effect with the fallout from exposure not occurring until after direct contact has ended. The team that included lead author Devin Jones,...

2008-09-28 03:00:15

By Jason Pesick The U.S. Environmental Protection Agency does not plan to set a drinking-water standard for perchlorate, a common regional contaminant used in explosives like rocket fuel and fireworks. The decision, first reported by The Washington Post, came in a document indicating the EPA had made a "preliminary regulatory determination" not to set a standard. The Sun has obtained a summary of the report from staff for the Senate Environment and Public Works Committee. According...

2007-10-30 06:00:33

By Cushing, C A Golden, R; Lowney, Y W; Holm, S E ABSTRACT Alkaline copper quaternary (ACQ) Type D is one of several compounds currently being used as a chemical preservative to treat wood for prevention of rot and decay. As wood weathers naturally, human exposure to ACQ might occur through dermal contact or incidental ingestion of residues from the wood surface. To understand any potential for health risks from the use of ACQ- treated wood, a health-based evaluation was undertaken on the...

Word of the Day
  • A gigantic fictional humanoid alien god being described with a head resembling an octopus and dragon wings and claws, around whom an insane cult developed.
  • Pertaining to the mythos of Cthulhu and additional otherworldly beings created by H. P. Lovecraft or inspired by his writings and imitators.
This word was invented in 1926 by H.P. Lovecraft for his short story, 'The Call of Cthulhu.' 'Cthulhu' may be based on the word 'chthonic,' which in Greek mythology refers to the underworld.