(4) Sewn fabric products (natural fiber)
The measured (average) surface radioactivity concentration levels ranged from 0.01 Bq/cm2 (minimum) to 0.03 Bq/cm2 (maximum). Radioactivity above the background level was detected in none of the samples.
(5) Silk fabrics/products
The measured (average) surface radioactivity concentration levels ranged from 0.01 Bq/cm2 (minimum) to 0.02 Bq/cm2 (maximum). Radioactivity above the background level was detected in none of the samples.
Ministry of Economy, Trade and Industry, Japan