How Long Will I Stay Radioactive? Geiger Counter Tests over 72 Hours!
Steve's Real World Steve's Real World
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 Published On May 18, 2024

00:19 I was injected with Technetium-99m
00:30 What is the half life of Technetium-99m?
00:40 I do have a Geiger Counter
01:03 My radiation test card
01:19 I just had my injection
01:32 LeeAnn brings in the Geiger Counter from a distance
01:42 The first readings
01:56 The Inverse Square Law
02:25 Radiation reading at 3ft 7536
02:30 Radiation reading at 4ft 6300
02:36 Radiation reading at 6ft 2700
03:00 Is my Urine radioactive also?
03:06 Tissue after I blew my nose
03:12 6+ hours later
03:44 Dose next to chest at 6+ hours
03:49 Radiation reading at 3ft - 6+hrs later 3000
04:08 Radiation reading at 6ft - 6+hrs later 1600
04:28 Is that SPAM radioactive?
04:32 24 hours later
04:32 Is most of the isotope really out of your system at 24hrs?
05:00 Dose next to chest at 24 hours
05:20 Radiation reading at 3ft - 24 hrs later 375
05:36 Radiation reading at 6ft - 24 hrs later 190
05:59 48 hours later
06:14 Dose next to chest at 48 hours
06:33 Radiation reading at 3ft - 48 hrs later 30
07:11 Day 3 - 72+ hours later
07:20 Dose next to chest at 72 hours
07:39 Normal background radiation

What I used:
GQ GMC-500Plus Geiger Counter - https://amzn.to/4dLY0Fy

After a nuclear medicine isotope injection I wondered, just how radioactive was I? Well the answer is ALOT - VERY Radioactive, but how long will I remain radioactive? Watch as I track the levels of radioactivity over a 72-hour period using a Geiger counter in this fascinating experiment. Join us as we explore how long radioactivity lasts in different materials and environments, with readings taken at 6, 24, 28, and 72 hours. Stay tuned to find out if radioactivity truly vanishes or if it lingers longer than expected!

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