div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In Internal environments: Is the src=https:reader031vdocumentsusreader031viewer20220204155be404eb09d3f281048c903dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In Internal environments: Is the src=https:reader031vdocumentsusreader031viewer20220204155be404eb09d3f281048c903dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · The NBR 10151 version In force deals with the community noise dates from 2000 The NBR 10152 dates from 1987 and deals with acoustic comfort In Internal environments: Is the src=https:reader031vdocumentsusreader031viewer20220204155be404eb09d3f281048c903dhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv