. Author manuscript; available in PMC: 2011 Sep 6.

Published in final edited form as: Environ Sci Technol. 2009 May 15;43(10):3619–3625. doi: 10.1021/es8020827

Table 1.

Physical properties of porous media

Porous Medium	Porosity	Bulk Density (g/cm³)	U^a	Median Grain Diameter (d₅₀, mm)	Specific Solid Surface Area(cm⁻¹)^b	S_n^c
Sand- 20/30	0.39	1.63	1.2	0.677	54	0.15
Sand- 45/50	0.34	1.8	1.1	0.35	113	0.16
Sand- 70/100	0.36	1.69	1.8	0.172	222	0.12
Sand- 100/140	0.37	1.66	1.7	0.145	261	0.08
Sand- Mixed	0.28	1.9	3.4	0.279	154	0.15
Hayhook soil	0.38	1.65	16	0.26	144	0.16
Vinton soil	0.42	1.54	2.4	0.234	149	0.23
Eustis soil	0.38	1.65	2.3	0.27	138	0.24
Glass beads-1	0.39	1.52	1.0	0.42	87	0.22
Glass beads-2	0.44	1.28	1.0	1.0	34	0.08

U = uniformity coefficient (d₆₀/d₁₀), d_i is the ith percent of grains by mass that are smaller than a a given sieve size.

Specific solid surface area is calculated using the smooth-sphere assumption [=6(1-n)/d₅₀, where n is porosity]

S_n is saturation of organic liquid