phi		microns		wt%
		
-6.0	64000.00	0.0
-5.0	32000.00	0.2
-4.0	16000.00	1.6
-3.0	8000.00		5.0
-2.0	4000.00		6.8
-1.0	2000.00		6.8
0.0		1000.00		5.5
1.0		500.00		4.1
2.0		250.00		5.9
3.0		125.00		23.3
4.0		62.50		11.7
5.0		31.25		11.0
6.0		15.63		8.1
7.0		7.81		5.3
8.0		3.90		2.9
9.0		1.95		1.3
10.0	0.98		0.3
11.0	0.49		0.1
12.0	0.24		0.0