Exposure duration:
repeated daily exposure, 6 h/day, 5 days/week, from 52 ± 2 days of age until scheduled killing at 30-day intervals between 171 and 325 days of age
SAR:
1 W/kg
average over mass
(brain)
(± 0.2 W/kg)
SAR:
0.42 W/kg
average over mass
(whole body)
(0.27-0.42 W/kg)
Distance between exposed object and exposure source
2 cm
Chamber
The exposure system has been described and illustrated in a previous publication [Zook and Simmens, 2001]. To reduce distortion, the exposure devices were composed entirely of Plexiglas and were located on plastic racks so that no metal or cinderblock walls were within 39 cm of the antenna.
Setup
Rats were placed in well ventilated Plexiglas tubes positioned radially in a carousel exposure system with the central dipole antenna at 2.0 ± 0.5 cm directly in front of each rat's nose (5.0 ± 0.7 cm from the middle of the rat's brain). Removed animals were replaced by cone-shaped plastic tubes filled with a substance having dielectric properties similar to flesh.
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