Table 1.

Quantitation of phosphorous in individual IGs

Particle	Area	Phosphorus density (counts/pixel)	Total phosphorus (AU)
1	125	871.2	108,875
2	104	965.7	81,120
3	99	748.0	74,052
4	16	641	10,256
5	57	556	31,692
6	153	791	121,023
7	21	769	16,149
8	7	510	3,570
9	12	523	6,276
10	260	581	151,060
11	23	589	13,547
12	48	555	26,640
13	175	719	125,825
14	8	682	4,368
15	107	376	40,232
16	88	431	37,928
17	242	165	39,960
18	91	672	61,152
19	45	357	16,065
20	69	529	27,117
21	147	628	92,316
22	27	632	17,364
23	59	488	28,792
24	59	555	32,745
25	12	565	6,780

The regions identified in Figure 8 were quantified for total area, phosphorus counts per area (phosphorus density), and total phosphorus counts. Phosphorus values are expressed as counts detected by the CCD.