div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document2014-11-07-a-22-bio-retention-cell-layers-following-casqa-handbook-the-biocellhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · 2014-11-07 · A-22 Bio-Retention Cell Layers Following CASQA Handbook the biocell layers are designed from bottom to top as follows: At least eight inches of a gravel layer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220421035e8158f7b74dea62be4ac6a8html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=document2014-11-07-a-22-bio-retention-cell-layers-following-casqa-handbook-the-biocellhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · 2014-11-07 · A-22 Bio-Retention Cell Layers Following CASQA Handbook the biocell layers are designed from bottom to top as follows: At least eight inches of a gravel layer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer20220421035e8158f7b74dea62be4ac6a8html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=document2014-11-07-a-22-bio-retention-cell-layers-following-casqa-handbook-the-biocellhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · 2014-11-07 · A-22 Bio-Retention Cell Layers Following CASQA Handbook the biocell layers are designed from bottom to top as follows: At least eight inches of a gravel layer loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...