The National Marine Fisheries Service (NMFS) does not approve, rec- 
ommend or endorse any proprietary product or proprietary material 
mentioned in this publication. No reference shall be made to NMFS, or 
to this publication furnished by NMFS, in any advertising or sales pro- 
motion which would indicate or imply that NMFS approves, recommends 
or endorses any proprietary product or proprietary material mentioned 
herein, or which has as its purpose an intent to cause directly or indirectly 
the advertised product to be used or purchased because of this NMFS 
publication. 
