"SAMPLE"	"COPPER"	"BOD"
1	0	210
1	.1	195
1	.3	150
1	.5	148
1	.75	140
2	0	194
2	.1	183
2	.3	135
2	.5	125
2	.75	130
3	0	138
3	.1	98
3	.3	89
3	.5	90
3	.75	85