In a message dated 98-01-06 10:18:34 EST, you write:

<<
 awhile back, there was some discussion. I was going thru old
 magazines and found Motorola makes a MGS1100 CO sensor.
 Just  FYI is all. >>

My 2cents worth,
I contacted Motorolla and they told me that they were getting out of the
chemical sensor business.  They told me they have discontinued all current and
future products in this field.

Dave Duley