需求内容
记忆海绵放射性检测广东省深圳市 项目：
Th-234
Th-232
Ra-226
Ra-228
Pb-210
K-40
设备：
These can be tested for using a GR-135 ND identifier gamma spectrometer.
检测方法：
The test procedure is to establish the background radiation level by taking readings in the test area. Then the products are brought into the test area, if the readings increase more than 150%, then it is a fail.
