Table 3.

Mean anaerobic scores and standard errors during summer 2008. Significant differences resulting from treatment are noted by different symbols following the mean value. (P = 0.05)

TreatmentDepth below ground (cm)
0-1212-2424-3636-48
Control0.15 (0.22)a0.55 (0.82)a1.70 (1.87)a1.15 (1.42)a
Porous Pavement5.45 (1.85)b6.55 (2.58)a6.80 (2.67)a6.30 (2.51)ab
Impervious Pavement4.75 (2.22)b5.00 (2.66)a5.80 (2.63)a9.30 (1.98)b