From: | Marylou Pohl <mbpohl@acsu.buffalo.edu> |
To: | DDittus787@aol.com |
Reply-To: | |
Content-Type: | text/plain; charset=us-ascii |
and should have 10-12 air changes per hour Marylou DDittus787@aol.com wrote: > It has been common practice that anywhere aldehydes are used , the roon > should be under negative pressure. Dana