Utah Radon Navigator™ — Fact‑Based, Not Fear‑Based Radon Guidance for Utah Families
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Navigator Dose Tool

Estimated annual dose contribution at 4.0 pCi/L

Name Role Time at home Lowest level (awake) Sleeping location WFH Estimated dose Category
/* Container */ .ndt-container { max-width: 900px; margin: 0 auto; padding: 20px; font-family: system-ui, sans-serif; } /* Titles */ .ndt-title { font-size: 1.8rem; margin-bottom: 20px; } .ndt-report-title { margin-top: 30px; margin-bottom: 15px; font-size: 1.4rem; } /* Sections */ .ndt-section { margin-bottom: 18px; } /* Labels */ .ndt-label { font-weight: 600; margin-bottom: 6px; display: block; } /* Inputs */ .ndt-input, .ndt-select { width: 100%; padding: 8px 10px; font-size: 1rem; border: 1px solid #ccc; border-radius: 6px; } /* Person Cards */ .ndt-people-container { margin-top: 20px; } .ndt-card { background: #f9f9f9; border: 1px solid #ddd; border-radius: 8px; margin-bottom: 16px; } .ndt-row { display: flex; gap: 16px; margin-bottom: 14px; } .ndt-field { flex: 1; } /* Buttons */ .ndt-buttons { margin-top: 20px; display: flex; gap: 12px; } .ndt-btn { padding: 10px 16px; font-size: 1rem; border-radius: 6px; cursor: pointer; border: none; } .ndt-btn-primary { background: #005bbb; color: white; } .ndt-btn-secondary { background: #e0e0e0; } /* Table */ .ndt-table { width: 100%; border-collapse: collapse; margin-top: 15px; } .ndt-table th, .ndt-table td { padding: 10px; border: 1px solid #ccc; text-align: left; } /* Dose category colors */ .dose-low { background: #e8f5e9; color: #2e7d32; font-weight: 600; } .dose-elevated { background: #fff8e1; color: #f9a825; font-weight: 600; } .dose-significant { background: #ffebee; color: #c62828; font-weight: 600; } document.addEventListener("DOMContentLoaded", function () { const radonInput = document.getElementById('radonLevel'); const personCountSelect = document.getElementById('personCount'); const peopleInputsContainer = document.getElementById('peopleInputs'); const calculateBtn = document.getElementById('calculateBtn'); const resetBtn = document.getElementById('resetBtn'); const reportRadonLevelSpan = document.getElementById('reportRadonLevel'); const reportTableBody = document.getElementById('reportTableBody'); /* KINGPIN AUTOFILL */ function applyKingpinRadon() { const stored = localStorage.getItem("radonLevel"); if (stored !== null && stored !== "" && stored !== radonInput.value) { radonInput.value = stored; reportRadonLevelSpan.textContent = parseFloat(stored).toFixed(1); } } applyKingpinRadon(); setInterval(applyKingpinRadon, 500); window.addEventListener("storage", function (e) { if (e.key === "radonLevel") applyKingpinRadon(); }); /* PERSON CARD GENERATION */ function createPeopleInputs(count) { peopleInputsContainer.innerHTML = ''; for (let i = 1; i <= count; i++) { const card = document.createElement('div'); card.className = 'ndt-card'; card.style.padding = '14px 16px'; card.innerHTML = `
Name (optional)
Role
Typical time at home
Time on lowest level (awake)
Sleeping location
Works or studies from home
`; peopleInputsContainer.appendChild(card); } }
Radon Navigator™

A program of the Utah Radon Coalition, a 501(c)(3) nonprofit. EIN 47-1480033. Serving Utah families since 2012.
​Aligned with U.S. national soil gas measurement and mitigation standards.
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