. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: J Anal Toxicol. 2015 Jun 7;39(7):545–550. doi: 10.1093/jat/bkv069

Table 1.

Comparison of results with certified or previously reported values for reference or quality control tobacco and cigarettes.

Reference Tobacco Mercury Concentrations (ng/g)
STRP 1S3^CDC		STRP 1S3⁹		CRM INCT-PVTL-6^CDC		INCT-PVTL-6 (Cert.)
22.3 ± 0.6		23 ± 2		21.8 ± 0.6		23.2 ± 1.6
Mainstream Smoke Mercury Concentrations, Intense Smoking Regimen (ng/Cigarette)
3R4F^CDC	3R4F	2R4F^CDC	2R4F	CM6^CDC	CM6	CM7^CDC	CM7
4.4 ± 0.4	NDA	4.8 ± 0.4	NDA	6.8 ± 0.5	NDA	7.0 ± 0.7	NDA
Mainstream Smoke Mercury Concentrations, ISO Smoking Regimen (ng/Cigarette)
3R4F^CDC	3R4F³⁰	2R4F^CDC	2R4F³¹	CM6^CDC	CM6	CM7^CDC	CM7
2.0 ± 0.2	2.43 ± 0.06	2.1 ± 0.1	2.18 ± 0.11	4.1 ± 0.3	NDA	4.2 ± 0.3	NDA

NDA: No Data Available for comparison with results reported here. CDC data represents 33 replicate analyses.