Table 1.

Chemical levels for conventional and low-TSNA moist snuff products based on dry weight and per mg nicotine.

	Dry weight basis					per mg nicotine basis
	Conventional moist snuff products (N=7)		Low-TSNA moist snuff products (N=12)			Conventional moist snuff products (N=7)		Low-TSNA moist snuff products (N=12)
Chemical	Mean	SD	Mean	SD	p-value	Mean	SD	Mean	SD	p-value
Arsenic (μg/g)1,a	0.27	0.01	0.73	0.39	*	0.01	0.002	0.04	0.02	*
Benzo[a]pyrene (ng/g)1,a	77.75	24.90	1.47	1.38	****	3.29	1.39	0.08	0.07	****
Cadmium (μg/g)1,a	1.28	0.14	0.72	0.12	****	0.05	0.01	0.04	0.01	**
Formaldehyde (μg/g)1,a	0.32	0.01	0.63	0.62	NS	0.01	0.00	0.03	0.03	NS
NNK (μg/g)1,a	1.55	0.73	0.31	0.12	****	0.07	0.05	0.02	0.005	****
NNN (μg/g)1,a	4.47	0.95	1.13	0.47	****	0.19	0.07	0.06	0.01	****
NDMA (μg/g)2A	0.69	1.22	0.21	0.26	NS	0.03	0.05	0.01	0.01	NS
Nitrate (mg/g)2A	27.76	4.13	9.72	2.75	****	1.15	0.20	0.51	0.14	****
Lead (μg/g)2B	0.46	0.19	0.65	0.38	NS	0.02	0.01	0.04	0.02	**
Nickel (μg/g)2B	3.24	0.46	1.75	0.71	**	0.13	0.02	0.09	0.03	**
Chromium (μg/g)3	1.34	0.31	2.25	1.42	NS	0.06	0.01	0.13	0.07	**
NAB (μg/g)3	0.33	0.10	0.05	0.02	****	0.01	0.005	0.003	0.001	****
NAT (μg/g)3	4.99	2.01	0.71	0.25	****	0.21	0.10	0.04	0.01	****
Selenium (μg/g)3	0.27	0.01	0.28	0.14	NS	0.01	0.002	0.01	0.01	NS
Ammonia (mg/g)	8.92	3.25	1.34	0.59	****	0.37	0.14	0.08	0.03	****
Glycerol (mg/g)	0.58	0.89	8.56	17.46	NS	0.02	0.03	0.54	1.06	NS
Propylene Glycol (mg/g)	4.14	9.71	53.20	17.43	****	0.16	0.36	3.04	1.24	****

¹IARC Group1

^2AIARC Group2A

^2BIARC Group 2B

³IARC Group 3

^aHarmful and Potentially Harmful Constituents established in smokeless tobacco by FDA

^****p<0.0001

*** 0.0001 to 0.001

^**0.001 to 0.01

^*0.01 to 0.05, NS not Significant