TABLE V. Typical Ranges for Pre-Cleaning Log-Transformed ATP and RODAC.

	5% Trimmed Mean	SD	±2SD Typical Range	≤+1SD Reasonable RangeA
ATP1
Pre-cleaning, all surfaces	4.96	0.50	3.97–5.96	≤5.46
Pre-cleaning, by surface type
Classroom desks	5.01	0.36	4.28–5.73	≤5.37
Cafeteria tables	5.19	0.46	4.27–6.12	≤5.65
Stall doors	4.62	0.51	3.60–5.65	≤5.13
Sink surroundings	4.91	0.47	3.97–5.85	≤5.38
ATP2
Pre-cleaning, all surfaces	2.99	0.52	1.95–4.02	≤3.51
Pre-cleaning, by surface type
Classroom desks	3.13	0.36	2.41–3.85	≤3.49
Cafeteria tables	3.32	0.41	2.51–4.14	≤3.73
Stall doors	2.65	0.53	1.59–3.71	≤3.18
Sink surroundings	2.82	0.47	1.88–3.75	≤3.29
ATP3
Pre-cleaning, all surfaces	1.91	0.57	0.77–3.05	≤2.48
Pre-cleaning, by surface type
Classroom desks	2.04	0.48	1.09–3.00	≤2.52
Cafeteria tables	2.21	0.40	1.41–3.01	≤2.61
Stall doors	1.53	0.61	0.32–2.74	≤2.14
Sink surroundings	1.80	0.54	0.71–2.89	≤2.35
RODAC
Pre-cleaning, all surfaces	1.41	0.69	0.02–2.80	≤2.10
Pre-cleaning, by surface type
Classroom desks	1.49	0.54	0.42–2.56	≤2.03
Cafeteria tables	1.70	0.53	0.64–2.76	≤2.23
Stall doors	0.87	0.61	0.00–2.08	≤1.48
Sink surroundings	1.56	0.80	0.00–3.15	≤2.35

^AReasonable range to be interpreted as values that are not extraordinarily high.