Table 1.

Recovery of Bacillus anthracis Sterne 34F2 from sterile soil microcosms using tryptic soy agar (TSA) or polumixin B, lysozyme, EDTA and thallous acid (PLET) agar as the culture media (CFU g^-1 soil).

Inoculum (spores g-1)	TSA						PLET
	Total			Spore			Total			Spore
	Mean	SD	% Rec	Mean	SD	% Rec	Mean	SD	% Rec	Mean	SD	% Rec
101	2.08 × 101	3.05 × 101	208.33	0	0	0.00	7.41 × 101	2.22 × 101	74.07	0	0	0.00
102	6.11 × 101	4.91 × 101	61.11	4.81 × 101	4.12 × 101	48.15	6.67 × 101	5.27 × 101	66.67	1.48 × 101	2.42 × 101	14.81
103	6.56 × 102	1.43 × 102	65.56	5.89 × 102	1.46 × 102	58.89	5.93 × 102	2.38 × 102	59.26	6.11 × 102	2.00 × 102	61.11
104	6.19 × 103	2.05 × 103	61.85	7.43 × 103	1.51 × 103	74.29	4.26 × 103	1.42 × 103	42.59	5.22 × 103	8.98 × 102	52.22
105	7.37 × 104	1.98 × 104	73.70	6.22 × 104	1.11 × 104	62.22	6.33 × 104	1.44 × 104	63.33	4.59 × 104	1.31 × 104	45.93
106	7.37 × 105	1.51 × 105	73.70	6.67 × 105	1.92 × 105	66.67	6.15 × 105	1.76 × 105	61.48	3.22 × 105	1.24 × 105	32.22

The results are presented as log₁₀ values. Error is represented as standard deviation (arithmetic mean total viable count and spore count ± SD; n = 3). % Rec, recovery percentage.