14 нояб. 2010 г. · The radiation from 1500dpm is equal to 675 picocuries. That is roughly equivalent to about 200grams of bananas. Seems harmless to me. What is considered a dangerous or at least concerning amount ... Why are people so terrified of radiation? 210 CPM isn't even ... What CPM is considered hot? : r/Radioactive_Rocks - Reddit Другие результаты с сайта www.reddit.com

4 февр. 2019 г. · Generally alpha and beta radiation is not harmful, as they will not penetrate the body. I say generally, as it is dangerous to injest alpha or beta emitters. Is 500cpm from the Geiger counter still considered 'safe ... - Quora What was the CPM radiation level at the Chernobyl nuclear ... What or how many 'chirps' from a Geiger counter would ... - Quora What is a dangerous reading on a Geiger counter? - Quora Другие результаты с сайта www.quora.com

>60,000 dpm/cm2 (1,000 Bq/cm2) for alpha surface contamination and dangerous-radiation zones or enter shelters. The large number of potentially-contaminated ...

20 мар. 2020 г. · It is generally believed that humans exposed to about 500 rem of radiation all at once will likely die without medical treatment.

23 июл. 2021 г. · This is clearly higher than background (remember, with a GM, background is normally around 50-100 cpm), but it's not a danger to anybody. As a ...

The measurement of ionizing radiation is sometimes expressed as being a rate of counts per unit time as registered by a radiation monitoring instrument.

In my opinion, anything below 150 CPM is considered safe, but if the value overshoots this limit, the substance or atmosphere is dangerously radioactive.

26 апр. 2022 г. · In general, a yearly dose of 620 millirem from all radiation sources has not been shown to cause humans any harm. On this page: Doses from ...