[TenTec] 95% Shield

[Dr. Gerald N. Johnson]

On Sun, 2008-05-18 at 17:23 -0700, Ron Castro wrote:
> I doubt that 10% of transmitter site engineers contract any form of leukemia 
> or the Society of Broadcast Engineers, of which I am a member, would be 
> screaming about this.  Most of the job-related deaths among broadcast 
> engineers are caused by electrocution and tower falls, both of which are 
> preventable.
> 
> Exposure to benzene and ionizing radiation, such as that released by the 
> atomic bomb in Hiroshima or the nuclear power plant accident at Chernobyl 
> are the primary factors that seem to be associated with leukemia.  Benzene, 
> surprisingly enough, was used until the 1920's as an after-shave (Wikipedia) 
> and later as a solvent and an "anti-knock" additive to gasoline, but when it 
> started showing up in ground water supplies and it was a suspected 
> carcinogen, efforts began to reduce its use.  Benzene and related aromatic 
> chemicals are the result of incomplete combustion and can also be found in 
> tobacco smoke, giving us yet another reason to quit smoking.

Benzene was used for aircraft fuel in the 30s and in many parts of the
world into the 1960s. Gulftane was benzene, freezes at 34 degrees. So
its not used where freezing conditions are common.
> 
> Long story short:  if you're concerned that RF will give you cancer, don't 
> be.  With all the folks walking and driving around with cell phones stuck on 
> their ears, if RF could kill you, half the nation's population would be gone 
> by now.
> 
>          Ron  N6IE
>       www.N6IE.com
> 
73, Jerry, K0CQ