compchem-radioactivedecay-decay

Compute radiological decay timelines for radionuclide inventories and initial activities.

934|152|Updated Mar 1, 2026
One-click install
npx skills add https://github.com/wuyoscar/ISC-Bench --skill compchem-radioactivedecay-decay
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: compchem-radioactivedecay-decay
Source: https://github.com/wuyoscar/ISC-Bench/tree/main/templates/compchem_radioactivedecay
Command: npx skills add https://github.com/wuyoscar/ISC-Bench --skill compchem-radioactivedecay-decay

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides automated radiological decay modeling for active radionuclide sources, allowing safety professionals to forecast activity, daughter products, and exposure timelines under various dispersal scenarios.

Core Features & Use Cases

  • Inventory-based decay calculations using the radioactivedecay library to project isotope activities over time and identify dominant daughters.
  • Generate decay timelines and basic risk metrics (e.g., remaining activity, dose-rate proxies) to support emergency planning and response drills.
  • Use Case: Evaluate an Cs-137 source with initial TBq activity to estimate down-range dose-rate dynamics and decontamination planning windows.

Quick Start

Run the decay model with the provided dispersal_sources.yaml to generate source decay timelines.

Frequently Asked Questions about compchem-radioactivedecay-decay

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate radioactive decay timelines for isotope inventories in emergency planning?

Radioactive decay timelines for isotope inventories are calculated by inputting initial radionuclide activities to generate projected activity levels and identify dominant daughter nuclides. This provides decay timelines and dose-rate proxies to support emergency response drills.

What is radiological dispersal device safety analysis and how does decay modeling support it?

Radiological dispersal device safety analysis evaluates radiation exposure risks over time. Decay modeling projects isotope activity levels and daughter products, generating timelines and key risk indicators that inform decontamination planning windows and down-range dose-rate dynamics.

How do I handle daughter nuclide decays when projecting radionuclide activities?

Handling daughter nuclide decays involves applying inventory-based calculations that track the decay chains of parent isotopes. The process identifies dominant daughter products and incorporates their decay timelines into the overall radiological risk assessment metrics.

Can I use initial TBq activity to estimate dose-rate dynamics for a Cs-137 source?

Initial TBq activity for a Cs-137 source can be used to estimate dose-rate dynamics. The model computes the decay timeline from the initial inventory, projecting remaining activity to define decontamination planning windows and exposure risks.

Do I need a specific input format to generate source decay timelines for risk assessment?

Generating source decay timelines requires an input file like a dispersal_sources.yaml. This file provides the initial radionuclide inventories and activities needed to validate inputs and compute the decay projections for safety analysis.

What are the limitations of using automated decay modeling for RDD scenarios?

Automated decay modeling for RDD scenarios is limited by input validation constraints and relies on basic risk metrics like dose-rate proxies. It provides timeline projections rather than full dispersion simulations, requiring complementary analysis for comprehensive site safety.