(Letterhead of KPMG Peat Marwick LLP) KPMG PEAT MARWICK LLP 3460 West Bayshore Road Telephone 415 493 5005 Telefax 415 855 9258 Palo Alto, CA 94303-4227 March 31, 1997 Securities and Exchange Commission Washington, D.C. Ladies and Gentlemen: We were previously principal accountants for Purus, Inc. and, under the date of January 15, 1997, we reported on the financial statements of Purus, Inc. as of and for the years ended December 29, 1996 and December 30, 1995. On March 21, 1997, we resigned. We have read Purus, Inc.'s statements included under Item 4 of its Form 8-K dated March 31, 1997, and we agree with such statements. Very truly yours, KPMG Peat Marwick LLP Member of Firm of Klynveld Peat Marwick Goerdeler