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Attachment C The:: is on: potential probi:r, however. Sometimes in a complex organic mO. ule short, linear z: tos of arcrr...s extend off of a stain chain cr body of the complex. It has b=n shown that at the right frequencies, these can be ex.:it� by strong, non -ionizing one gy so as to :..zu se frequency resonance to occur. T fie ex:.::sion can then vibrate: and on occasion break off, altering the sv scr=-e of the: mol=ule. This is the only other known in•:emo .ion between non-ior'-'' g radiation and biological r�,:erttrs. It is conside:-�-{ to be a r— phenomenon. as the frequency of the radiation must e .ac•1y rnt�s the manual resonance of the taoi .ile and the power density must be, very high. ( r s,--- refer:s.) Way the Concern? Most scientists maintain that RFR and Iower fr- :*u:' v elmagnetic ;fields such as those associate: with wireless con t:nications sy se.ms generally do not produce adverse health effrets in hums^ because they are nor~-iori7'rzg in nan:.r- and no=a1 exposures are contiolled so as not to result irl ther__:al elfe_ts. Other r_s rhe_s, however, not the possible molecular resod-r- problem. described a»cdve and propose that • conrnuous Iow-level exposures or exposures in combination with ocher chemicals may cause health problems that are not i--...-jiat:Iy evident. These r: •z o ens =pest that ezz;a care should be talc r+ i r^I nor is Icaown. inc. media continueto rror the work of these researchers and the public exhibits a s:a-p interest in the del —date be:wsn the two sides. Some Lr.n►X:S of the public believe that even the remotest possibility of a health. haz rd corsirszes grounds for for::_ing public policy and rev-Liz:ices for facilities using aciofrequ_ncy radiation and g_ntra g fields. Consequently, there is often keen public interest i proposals for new wireless cell sites and facilities. ANSI. N C R.P, and LRPA Radiation Protection Guideiins Troth private cr;ar.i atiors grid gove:::tne^_t agencies have _prupas d ch d:lines that Breit e�cs tc radiation. Their s,.and ..-dds can be divided into broad categories: e1T.issicr. S:i..:r:'`:, which s.:t ii-vita on the incidental (ncnpu-pose ul) radiation emanat'ng from a device; and orlre s err .-rds, which set limits on the radiation power dersiry to which a -fie ,nth may _b a exposed. Fr.tiScion sLandards limit unwant. leakage from devices s.uch as microwave_ ovens that should cantuirt the radiation inside the device or that -have shielding to protect operators and others from exposure during nor=al operation. Ex osur_ standards Iimit expos.:.= of persons to radiation present in the environment, for example frog a radio (Yost, see There is no official, mro-=4ztory federal standard for radiation pro=tion in the lint. Stan. The o aciai g'=id:lire for Federal Cor-nunicatio:s Cor'rnission (FCC) regulated facili es is currently the 1982 American National Sr.2* ;*'..s n ti- (ANSI) guideline. "The 1982 ANSI guidelines es reco=endue' fr_que ctie-d_-pe--dent exposure limits covering R.F frequenci300 kHz. to 100 C =.. Tnc guidet.�rtes inco^ora*.: data showing that the human body absorbs RF e er y at so,L: frequencies more =_, than..standard was develop e,::�...�1y at others. The ANSI e ' op over a penes of several yezrs by scientists and ezzine with considerable ex r ..�i. :s � perIe.:C.. and, lc:owiec__ in the -area of RF biolcsi:_al effects and related issues. The r�ctrmendations we.