phi		microns		wt%
		
-6.0	64000.00	0.3
-5.0	32000.00	0.7
-4.0	16000.00	2.1
-3.0	8000.00		2.6
-2.0	4000.00		2.0
-1.0	2000.00		3.0
0.0		1000.00		5.4
1.0		500.00		2.4
2.0		250.00		2.0
3.0		125.00		15.8
4.0		62.50		23.5
5.0		31.25		16.8
6.0		15.63		10.1
7.0		7.81		6.6
8.0		3.90		3.8
9.0		1.95		2.4
10.0	0.98		0.3
11.0	0.49		0.1
12.0	0.24		0.0