Radon Mitigation - Step by Step!

71miti.jpg 3/24/06 2:19 PM
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CAMERA: OLYMPUS OPTICAL CO.,LTD (C740UZ) | DATE: 3/24/06 2:19 PM | RESOLUTION: 2048 x 1536 | ISO SETTING: 200 | EXPOSURE TIME: 1/50s | APERTURE: 2.8 | FOCAL LENGTH: 7.4mm