Table 2.

Percent positive results for surface samples using TC and RV-PCR analytical methods

Maritime surface/ material sampled	Sample ID	Sampling method	Nominal spore load (CFU)	TC			RV-PCR
				Samples positive	Total samples	% Samples positive	Samples positive	Total samples	% Samples positive
RBS marine grade aluminum	SBMGAL	SS	0	2	6	33	0	6	0
			300	5	6	83	6	6	100
			3,000	6	6	100	6	6	100
Nonskid tread	NSKID		0	3	7	43	0	7	0
			300	5	7	71	6	7	86
			3,000	7	7	100	7	7	100
Touch screen	TCHSCRN		0	1	6	17	0	6	0
			300	6	6	100	6	6	100
			3,000	6	6	100	6	6	100
All surfaces sampled	All surfaces sampled		0	6	19	32	0	19	0
			300	16	19	84	18	19	95
			3,000	19	19	100	19	19	100
N/A	Lab/field controls		0	0	11	0	1	11	9
			300	4	4	100	4	4	100
			3,000	4	4	100	4	4	100
Nonskid tread	NSKID	VFC	0	1	8	13	0	8	0
			300	5	8	63	5	8	63
			3,000	8	8	100	7	8	88
Concrete pier	CONPIER		0	3	8	38	0	8	0
			300	7	8	88	6	8	75
			3,000	8	8	100	7	8	88
All surfaces sampled	All surfaces sampled		0	4	16	25	0	16	0
			300	12	16	75	11	16	69
			3,000	16	16	100	14	16	88
N/A	Lab/field controls		0	1	11	9	0	11	0
			300	6	6	100	6	6	100
			3,000	6	6	100	6	6	100