准备测家里氡气的长期浓度。哪儿可以找到 health canada 批准的测氡气设备的list?
或者下面这个设备的测试结果被承认吗?
https://www.homehardware.ca/en/do-it-yourself-radon-gas-long-term-test-kit/p/3616930
或者下面这个设备的测试结果被承认吗?
https://www.homehardware.ca/en/do-it-yourself-radon-gas-long-term-test-kit/p/3616930