HAFE Sites: 2006 element concentrations (µg/g ± SD) in Flavoparmelia caperata (2009 values for selected plots in red)

			Cd	Cu	Cr	Pb	Ni	Zn	S	Hg
HAFE01	Maryland Heights	39.3327N 77.7214W	< 0.50	9.06 ± 1.70	1.64 ± 0.21	10.82 ± 0.90	1.98 ± 0.18	49.61 ± 2.58	1917.8 ± 19.3	—
			< 0.50	9.97 ± 2.82	1.16 ± 0.36	13.76 ± 3.70	1.60 ± 0.12	48.97 ± 7.73	1906.3 ± 45.2	—
HAFE02	Stone Fort	39.3429N 77.7165W	< 0.50	8.80 ± 0.40	1.08 ± 0.05	15.43 ± 0.31	1.75 ± 0.08	53.15 ± 2.65	1913.2 ± 182.6	—
			< 0.50	13.40 ± 5.02	1.63 ± 0.72	14.50 ± 0.71	1.66 ± 0.57	37.46 ± 3.91	1812.2 ± 104.7	—
HAFE03	Miltary Road East	39.3288N 77.7205W	< 0.50	12.40 ± 0.69	1.80 ± 0.05	12.57 ± 0.49	2.03 ± 0.01	55.61 ± 1.59	1822.3 ± 75.4	—
			< 0.50	11.41 ± 0.00	2.06 ± 0.26	12.32 ± 3.79	3.89 ± 2.01	61.36 ± 21.8	1893.1 ± 5.10	—
HAFE04	Loudoun Heights	39.3160N 77.7328W	< 0.50	9.12 ± 0.64	1.25 ± 0.15	8.19 ± 0.20	1.47 ± 0.06	44.49 ± 0.61	1812.8 ± 102.1	—
			< 0.50	10.64 ± 1.18	1.61 ± 0.05	9.75 ± 0.26	1.98 ± 0.19	48.37± 5.30	1890.2 ± 103.4	—
HAFE05	Loudoun Heights Blue Trail	39.3175N 77.7270W	< 0.50	16.71 ± 0.82	2.20 ± 0.52	9.31 ± 0.90	3.29 ± 1.12	45.84 ± 2.58	1732.8 ± 12.6	—
			< 0.50	20.16 ± 2.73	1.58 ± 0.35	8.45 ± 0.77	2.71 ± 1.25	47.37 ± 2.65	1743.9 ± 56.76	—