div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer20220405045e3618cf9a23857faa29e91fhtml5page1jpg target=_blank img data-url=pubsusgsgov-ppm-copper-cu-in-minus-80-mesh-soil-and-oxalic-acid-leachate-ofhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: pubsusgsgovPPM COPPER Cu IN MINUS 80-MESH SOIL AND OXALIC ACID LEACHATE OF THE MINUS 80-MESH SOIL MINUS 80-MESHOXALIC LEACHATE Interior ppm Parts per million PPM COPPER Cu loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer20220405045e3618cf9a23857faa29e91fhtml5thumbnails1jpg width=140 height=200 adivdiv