1) TETRA-ETCH ETCHANT
Manufacturer: GORE W L AND ASSOCIATES INC
Index Date: 1995-03-20


2) TETRA-ETCH, (SEE SUPPL)
Manufacturer: GORE W L AND ASSOCIATES
Index Date: 2000-03-23

3) TETRA-ETCH ETCHANT
Manufacturer: GORE W L AND ASSOCIATES INC
Index Date: 1995-03-20

4) TETRA-ETCH ETCHANT
Manufacturer: GORE W L AND ASSOCIATES
Index Date: 1999-10-26

5) TETRA-ETCH ETCHANT
Manufacturer: GORE W L AND ASSOCIATES INC
Index Date: 1998-06-04

6) TETRA-ETCH
Manufacturer: GORE W L AND ASSOCIATES INC
Index Date: 1988-04-06

7) TETRA-ETCH COMPOUND TEC-1
Manufacturer: MEASUREMENTS GROUP
Index Date: 1988-10-21

8) CALCIUM DICHLORIDE, TETRA EXPRESS, TETRA-94
Manufacturer: TETRA TECHNOLOGIES, INC
Index Date: 1993-11-09

9) SODIUM BORATE, TETRA
Manufacturer: CHEMETRICS
Index Date: 1987-01-01

10) TITANIUM(IC) CHLORIDE, TETRA
Manufacturer: FISHER
Index Date: 2000-08-02