You may want to consider buying a detector https://www.amazon.ca/Geiger-Counter-Nuclear-Radiation-Detector/dp/B0BHH9X1WG/ref=sr_1_4?crid=DWCBL95PBSWA&dib=eyJ2IjoiMSJ9.rwc--lA8JlUEg-mmi3U42Vxyt3P7Ueahix0aYdC5uluYGH0gH1MmERJ3ZaQWfXWHXkG_KTbQhp48pAchnRbLGqgPQDRQqRRHorjV_JW4-CjArUxkd6vVAy8hLjeFb5IHv5QVatScKNaMTEPv_MUnld4S2BNtoKfpOR0Yb2BRGz0lralcWK6JuAdYyTytPfvEF50xSBPSVFezJzNaxi1NCpqKXYPdI36QwjhNJbZHw9rqBv02WQ8jlhYYq4zSo9GpZWwXBqHUcSVEPlMShqvyL66kFzLPm9dMVEGO2TRmqBY.DaIGb_ywp_6Z4dS88qnkeTrLkd2ble0w1YPBABinej4&dib_tag=se&keywords=FNIRSI+Geiger+Counter+Nuclear+Radiation+Detector&qid=1718729591&s=industrial&sprefix=fnirsi+geiger+counter+nuclear+radiation+detector+%2Cindustrial%2C266&sr=1-4
This is a geiger counter for detecting nuclear radiation