A level of PCB (Polychlorinated biphenyl) that exceeds the Japanese environmental standard was detected in soil and groundwater at the Kariya Site of Toshiba Ceramics Co., Ltd. The summary data is as below. To remedy this, the Company will carry out the removal and cleanup of the affected zone.

Due to this finding, the Company also conducted an investigation for PCB in the surrounding area of the affected zone and at the boundaries of the Kariya Site, and no value that exceeds the standard was detected.

In the course of remedial work, the Company will see to it that there will be no effect on the surrounding environment.

1. Summary of Data

Soil (Sampling: 18 spots, Detection: 3 spots)

(mg/l)

Environmental standard	Maximum value
Not to be detected.	0.0074

Groundwater (Sampling: 25 spots, Detection: 4 spots)

(mg/l)

Environmental standard	Maximum value
Not to be detected.	0.019

2. Remedial Work

(1))The affected groundwater will be drawn up and purified using activated carbon, and the affected soil will be removed and kept under strict control. Also, the Company will perform regular monitoring of the groundwater at the boundaries of the Kariya Site.

About the Kariya Site

1. (1)Area: 123,345m²
2. (2)Established Year: 1918
3. (3)Employees: About 350 (including employees of affiliates and subcontractors)
4. (4)Production: Various industrial fine ceramics, refractories for electronics industries and continuous casting of steel

* As of June 1, 2007, Toshiba Ceramics Co., Ltd., has changed its name to Covalent Materials Corporation.

* As of April 1, 2006, the Kariya Site has become known as Kariya Facility.

Back to Press Release Page