1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 333-49957-01 of Eagle-Picher Holdings, Inc. on Form S-4 of our report dated January 18, 1999, appearing in this Annual report on Form 10-K/A of Eagle-Picher Holdings, Inc. and subsidiaries for the year ended November 30, 1998. /s/ Deloitte & Touche LLP Cincinnati, Ohio June 25, 1999