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HAZMAT in USA on Friday, 13 January, 2012 at 04:14 (04:14 AM) UTC
The level of radiation exposure from holding the tissue box against the body for one hour would be equivalent to a chest X-ray, said state health officials. Health officials said they've removed a dozen metal box tissue holders containing small amounts of radioactive material from four Bed, Bath and Beyond stores in New York. None of the boxes were sold to the public, said the company. The Nuclear Regulatory Commission notified state health officials Tuesday that a shipment of metal box tissue holders to four Bed, Bath and Beyond stores were found to contain low levels of Cobalt-60. Cobalt-60, a man-made product using cobalt, has been used to sterilize medical equipment and in radiation therapy for cancer patients. The level of radiation exposure from holding the tissue box against the body for one hour would be equivalent to a chest X-ray, said state health officials. The NRC said scrap metal containing Cobalt-60 could have inadvertently been incorporated into the product during smelting. The products arrived in a shipment from India on Dec. 27, and 220 were distributed to Bed Bath and Beyond stores nationwide. Locally, 12 were distributed to a store in Nassau County, a store in Suffolk County, and two stores in Westchester County. Company representatives emphasized none were sold to the public and that no other stores in New York received shipments of the items. "The presence or handling of these boxes poses no imminent public health threat," said Nassau County Health Commissioner Lawrence Einstein, M.D.
Originally posted by mileslong54
Not really a big deal, you phone put's off more radiation and it's next to your head or your reproductive system all day. Not to mention the radiation from your computer monitor your staring at while writing this thread.
Radio frequencies occupy the range from a few tens of hertz to three hundred gigahertz, although commercially important uses of radio use only a small part of this spectrum. Other types of electromagnetic radiation, with frequencies above the RF range, are microwave, infrared, visible light, ultraviolet, X-rays and gamma rays. Since the energy of an individual photon of radio frequency is too low to remove an electron from an atom, radio waves are classified as non-ionizing radiation.
Originally posted by LightSpeedDriver
reply to post by muzzleflash
And yet microwaves are "not good" for the body. Or am I reading it wrong?
ETA No, I'm not wrong...
Some, but not all, studies suggest that long-term exposure may have a carcinogenic effect
Sourceedit on 13/1/12 by LightSpeedDriver because: ETA
In general, particles or photons with energies above about 10 electron volts (eV) are considered ionizing, no matter what their intensity.
The radio waves emitted by a GSM handset can have a peak power of 2 watts, and a US analogue phone had a maximum transmit power of 3.6 watts.
Converting Watts to Volts The conversion of Watts to Volts at fixed amperage is governed by the equation Volts = Watts/Amps For example 100 watts/10 amps = 10 volts
For example a 2000 mAh battery will sustain a 2000 milli-Amp (2 ampere) draw for approximately one hour before dropping to a voltage level that is considered discharged. A 1700 mAh battery will sustain a 1700 milli-Amp (1.7 ampere) draw for approximately one hour.
FM radio ≈90 Mhz so 3 meters - 0.0000004 electron volts per photon
WiFi ≈2.4Ghz so 125 mm - 0.00001 electron volts per photon
Cell Phone ≈5.6 Ghz so 54 mm - 0.0000232 electron volts per photon
Red Light 450 Thz so 700 nm - 1.77 electron volts per photon
One well-understood effect of microwave radiation is dielectric heating, in which any dielectric material (such as living tissue) is heated by rotations of polar molecules induced by the electromagnetic field. In the case of a person using a cell phone, most of the heating effect will occur at the surface of the head, causing its temperature to increase by a fraction of a degree.