EX-4.1
from 8-K/A
1 page
<page> October 7, 1999 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Dear Sir/Madam: We Have Read the Second Paragraph of Item 4 Included in the Form 8-K Dated October 7, 1999 of Thermatrix Inc. Filed With the Securities and Exchange Commission and Are in Agreement With the Statements Contained Therein. Very Truly Yours, /S/ Arthur Andersen Llp CC: Mr. Daniel S. Tedone, Executive Vice President and Chief Financial Officer, Thermatrix Inc
12/34/56
EX-4.1
from 8-K
1 page
<page> October 7, 1999 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Dear Sir/Madam: We Have Read the Second Paragraph of Item 4 Included in the Form 8-K Dated October 7, 1999 of Thermatrix Inc. Filed With the Securities and Exchange Commission and Are in Agreement With the Statements Contained Therein. Very Truly Yours, /S/ Arthur Andersen Llp CC: Mr. Daniel S. Tedone, Executive Vice President and Chief Financial Officer, Thermatrix Inc
12/34/56