2501 CHARGE NUMBER: PROJECT TITLE: Radiochemistry of Smoke Nuclear and PROJECT LEADER: Roger A_ Comes PERIOD COVERED: December 1-31, 1981 DATE OF REPORT: January 8, 1982 1"C-Mentho]_Study' - Section data indicate leveling off of the migration of the mentho] into the fi ters after approximately 20 weeks Equilibrium has als0 apparently been reached for the SPiked ZRL cigarettes although the activity uniforn down not the rod_ The filtered ivity applied cigarettes had no act the Iters but now how _ after 25 weeks of sealed individua] storage filter ctivi 85mnmi- 73% of ies of: Meri that activity applied to the rodi S]im- 653 BBH Lignts-66%; Merit Ultra ights-778 The section data continue obtained for to insure maximum migration severa more montns Five total smoke distribution runs have been completed on the Merit #C-mentho] 85mm Average spiked cigarettes_ va lues for five tne runs are Snown. sTight butt build-up (2-4") during smking is indicated 850m Merit- "C-Distribution Sidestream Gas 10.02 Mainstream Gas 0.3 Sidestream TPM 5.9 Mainstream TPM 2.8 tipping) Butt (filter 81 .0 Ash 0.1 GLRC data mainstream the sma | phase contribution showed the ga $ bulk of ethene, propene the activity to be in the COz _ and butene peaks greater than. 99.3% has MSTPM pad that activity found the been  identified king single port C-inenthol_ These carried smoke runs out machine SMO verify the Id-up sma butt bui evidenced in the tota smoke recovery machine 0001401757 data Uniformly labeled C-menthol containing cigarettes from previous study were investigated for mentho] delivery puff-by-E basis Puff Eva uation
2501 CHARGE NUMBER: PROJECT TITLE: Nuclear and Radiochemistry of Smoke Roger A_ Comes December 1-31, 1981 PROJECT LEADER: PERIOD COVERED: DATE OF REPORT: January 8, 1982 1"C-Mentho]_Study' - Section data indicate leveling off of the migration of the mentho] into the fi ters after approximately 20 weeks Equilibrium has als0 apparently been reached for the SPiked ZRL cigarettes although the activity not uniforn down the rod_ The filtered cigarettes had no act ivity applied the Iters but now how _ after 25 weeks of sealed individua] storage filter ctivi ies of: Meri 85mnmi- 73% of that activity applied to the S]im- 653 BBH Lignts-66%; Merit Ultra ights-778 The section rodi data continue obtained for severa more montns to insure maximum migration Five total smoke distribution runs have been completed on the Merit 85mm #C-mentho] spiked cigarettes_ Average va lues for tne five runs are Snown. sTight butt build-up (2-4") during smking is indicated 850m Merit- "C-Distribution Sidestream Gas 10.02 Mainstream Gas 0.3 Sidestream TPM Mainstream TPM 5.9 2.8 Butt (filter tipping) Ash 81 .0 0.1 GLRC data the sma |  mainstream ga $ phase contribution showed the bulk of the activity to be in the COz _ ethene, propene and butene peaks that activity found the MSTPM pad greater than. 99.3% has been  identified C-inenthol_ These smoke runs carried out single port SMO king machine verify the sma butt bui Id-up evidenced in the tota smoke recovery machine data 0001401757 Uniformly labeled C-menthol containing cigarettes from previous study were investigated for mentho] delivery puff-by-E Puff basis Eva uation