0018933 TABLE C.2 Particle Classification and Size Measurements Sample No. of Particles Measured Massive Ll Particle Type, % Irregular _ ' 46 - 63.7 47 76,1 619 264 299 65 48 19 24 21 51,4 82.0 93.7 94.0 94.6 Aggregates 18.5 67,3 331 500 Fine 977 Fine Microns 155 216 255 287 977 Coarse Mean Size, 115 Massive L4 502 Coarse 502 Fine 500 Coarse - - 16,2 11.0 3.5 Spheres 14.1 32.4 7.0 2.8 2.3 29.0 9.5 14,4 3.1 2.3 2.9 3.1