Hazmat Processing Radiation

[Trace]

Update:
Turns out this was a bug related to the decontamination arch that was resolved by scrapping and rebuilding. This can be closed/deleted as not-a-bug.
Apologies for the confusion

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Summary: The radiation incurred from the Hazmat Processing plot (above or below ground) isn't curable from a vanilla decontamination arch.

Steps to reproduce:
1. Build an Advanced Industrial Plot
2. Choose the "Scrapyard" building plan
3. Upgrade the Scrapyard to the Crusher
4. Upgrade the Crusher to Hazmat Processing
5. Enter the Hazmat Processing building with no radiation damage
6. Take radiation damage while in the building
Optional: Go down the elevator and take more radiation damage
7. Leave the plot, and go to a vanilla decontamination arch, powered on
8. Walk through the arch

Expected result: Rad damage is cleared (zeroed out)
Observed result: Rad damage is unchanged

Workarounds:
1. Have a doctor heal you
2. Stand in the decontamination arch in the Hazmat Processing plot until rads are gone

Specifications:
PC
Fallout: 1.10.114
Fallout Script Extender: 0.6.13r18
Sim Settlements: 3.4.5a
Sim Settlements: Mega Pack - Year One
+ other mods (ask for full list)

Windows 7
CPU: i7-4790K
MB: ASRock Z87 Extreme3
GPU: NVIDIA GeForce GTX 1060 6GB
Ram: 16GB