CERTIFICATE OF ANALYSIS

AFPC Standard Check Sample No. 22

Florida Phosphate Rock

[All results on a Natural Basis]

Moisture 1.18% +/- 0.11

P2O5 33.06 +/- 0.17

Fe2O3 1.10% +/- 0.03

Al2O3 1.42% +/- 0.06

MgO 0.35% +/- 0.01

Acid Insoluble 3.19% +/- 0.26

CaO 47.74% +/- 0.38

Fluorine (as F) 3.77% +/- 0.09

*CO2 3.55% +/- 0.12

Sodium (as Na) 0.40% +/-0.10

Potassium (as K) 0.10%

Cd (ppm) 6 +/- 1

As (ppm) 8 +/- 1

Cr (ppm) 57 +/- 2

Co (ppm) 3 +/- 1

Cu (ppm) 8 +/- 2

Pb (ppm) 20 +/- 3

 Mn (ppm) 296 +/- 9

*Hg (ppm) 0.1 +/- 0.0

Mo (ppm) 9 +/-4

Ni (ppm) 10 +/- 5

*Se (ppm) 1.9 +/- 0.96

Zn (ppm) 59 +/- 11

Note 1. * Not certified - still under consideration.      The AFPC will continue to update the values for Hg, CO2 and Se from future check sample studies. Check the web site for current posted update values for Check Rock 22 at http://afpc.net.

Note 2. Values for Check Rock 22 metals determinations were derived from the following: ICP-MS, ICP-AES, Neutron Activation, Atomic Absorption, Cold Vapor for Hg, Hydride for As and Se.