After some research, a person next to a truck legally shipping radioactive materials could expect a dosage between 10 mR/Hr to 200 mR/Hr.
According to the government, a pregnant woman should avoid anything greater than 2 mR/Hr. At max, if she stayed next to such a truck for more than 15 minutes should would be required to wear a dosimeter for the rest of her pregnancy.
At 30 minutes she would have to avoid all other exposure for the remainder of the pregnancy.
The younger the baby is in the gestational period, the greater the risk of miscarriage. A woman early enough in her pregnancy to not know she is pregnant might actually miscarry from a passing "legal" exposure.
As I initially indicated in this post, the lesson learned is to AVOID RADIOACTIVE TRUCKS!
We got stuck next to this truck during the 7pm July 1st holiday traffic on North bound I-270, after seeing the Radioactive warning placards we pulled out the Geiger Counter and Camera. Lesson learned, AVOID RADIOACTIVE TRUCKS!
The Geiger counter samples over a 30 second moving average, updated every 3 seconds. Notice how the reading on the Geiger Counter keeps moving upwards after we pass the truck; had we stayed next to the radioactive truck the readings would have went even higher.
Pray for the truck driver; the source of gamma rays appeared to be located almost directly behind the driver. One would think that these things would be much more heavily shielded, located further away from the driver, and that such materials would be transported when other people are not on the road.
The truck exited I-270 at Lilac Ave.
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