div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentcdphe-colorado-cdphe-radon-testing-understanding-how-to-do-it-yourself-alwayshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: CDPHE - ColoradoCDPHE Radon Testing Understanding how to do it yourself Always test during normal operating hours between October and April Home Type Facilities loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer20220626065feabdfe207f9d02ec2d4a3bhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentcdphe-colorado-cdphe-radon-testing-understanding-how-to-do-it-yourself-alwayshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: CDPHE - ColoradoCDPHE Radon Testing Understanding how to do it yourself Always test during normal operating hours between October and April Home Type Facilities loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer20220626065feabdfe207f9d02ec2d4a3bhtml5thumbnails2jpg width=140 height=200 divdiv