Thursday, 04 April 1985
Graffiti
San Francisco, CA, USA
with Glorious Din
[Setlist incomplete]
Why Do You Bother?
As The Worm Turns
Mark Bowen
The Jungle
We Care A Lot cover
4
Confirmation:
Setlist.fm
-- from the SF Chronicle 31st March 1985
Faith. No Man Facebook
San Francisco Examiner, 31 March 1985, page 51 - Graffiti ad

It's very likely the two live tracks from the "Exposed To The Elements" demo cassette are from the KUSF broadcast of this gig.
Another version of Exposed To The Elements lists four songs (source of setlist above)
Discogs
Broadcasts:
Broadcast live on KUSF
On This Day:
Year Venue State/Country
1986 Trenton City Gardens, Trenton NJ, USA
1990 Garage, Denver CO, USA
1998 Festival Esparrago Rock, Granada Spain