Elements Au Cu Ni Pb Zn Units ppb ppm ppm ppm ppm LDL 1 1 1 1 1 Sample Northing Easting Method B/ETA B/AAS B/AAS B/AAS B/AAS BC-16 7472400 628400 4 21 34 28 38 BC-17 7472200 628400 2 17 51 15 22 BC-18 7471600 628400 2 17 78 14 24 BC-19 7471200 628400 2 20 112 23 51 BC-20 7470800 628400 2 13 51 6 34