Values are in milligauss.

Item                Field     Distance       

Electric blanket    30-90     Surface        

Microwave oven      10-100    Surface        

                    1-10      12"            

IBM personal        5-10      Atop monitor   
computer                                     

                    0-1       15" from       
                              screen         

Electric drill      500-2000  At handle      

Hair dryer          200-2000  At handle      

HF transceiver      10-100    Atop cabinet   

                    1-5       15" from       
                              front          

1-kW RF amplifier   80-1000   Atop cabinet   

                    1-25      15" from       
                              front          

(Source: measurements made by members of the ARRL RF Safety Committee)