Table S . - -Sorption time constants (in minutes) for a single 

 ponderosa pine needle. Desorption conditions; 80° F (27° C) 

 and humidity change from 90 to 20 percent. Adsorption 

 conditions : 80°F and humidity change from 20 to 90 percent 



REPLICATES : 





Time 



period 







: Average 



1 : 



2 : 



3 : 



4 : 



5 



Desorption 















1 



260 



272 



68 



374 



29 



201 



2 



225 



119 



264 



63 



24 



139 



3 



430 



238 



222 



74 



29 



199 



4 



320 



358 



222 



74 



29 



201 



5 



150 



450 



173 



76 



32 



176 



Average 



277 



287 



190 



132 



29 





Adsorption 















1 



110 



169 



141 



134 



29 



117 



2 



90 



317 



213 



62 



24 



141 



3 



379 



179 



102 



37 



15 



142 



4 



148 



206 



582 



87 



36 



212 



5 



192 



650 



161 



41 



17 



212 



Average 



184 



304 



240 



72 



24 





26 



