div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=materia-de-analisis-de-calidad-del-agua-nom-ooi-semarnat-1996-y-nom-003-semarnat-1997htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: cemamexicocomcemamexicocomassetsacreditacionesCONAGUA_CEMApdfen materia de análisis de calidad del agua NOM-OOI-SEMARNAT-1996 y NOM-003-SEMARNAT-1997 Aprobó Ing Enrique loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer20220123085b37895d7f8b9a5a518c7aefhtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=materia-de-analisis-de-calidad-del-agua-nom-ooi-semarnat-1996-y-nom-003-semarnat-1997htmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: cemamexicocomcemamexicocomassetsacreditacionesCONAGUA_CEMApdfen materia de análisis de calidad del agua NOM-OOI-SEMARNAT-1996 y NOM-003-SEMARNAT-1997 Aprobó Ing Enrique loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer20220123085b37895d7f8b9a5a518c7aefhtml5thumbnails2jpg width=140 height=200 divdiv