---
type: "Bill"
title: "Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)"
description: "Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2024"
identifier: "HB 680"
citation: "Maryland HB 680 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["J. Long", "T. Morgan"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2024-01-25"
last_action: "2024-05-09"
source: "openstates"
source_identifier: "ocd-bill/9f544365-86ff-46b1-8305-60ed3a67f530"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0680?ys=2024RS&search=True"
source_hash: "20d7500d45cfe51801456bb6c51fb9cee6fe3e8d748f0573d2d8a4e6acc73901"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-md"]
---

# Maryland HB 680 (2024) — Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Chapter - Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_644_hb0680t.pdf)
2. **First - Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0680f.pdf)
3. **Third - Environment - Nuclear Power Plants - Emergency Preparedness (Radiation and Emergency Preparedness and Protection Act)** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0680t.pdf)

## Votes

- On Third Reading — **132–0** (pass) · lower
- On Third Reading — **40–7** (pass) · upper

## Sponsors

- J. Long — primary (person)
- T. Morgan — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2024-01-25** First Reading Economic Matters `referral-committee`
- **2024-02-02** Hearing 2/29 at 1:00 p.m.
- **2024-03-13** Favorable Report by Economic Matters `committee-passage-favorable`
- **2024-03-13** Favorable Adopted `committee-passage-favorable`
- **2024-03-13** Second Reading Passed
- **2024-03-14** Third Reading Passed `passage`
- **2024-03-14** Referred Education, Energy, and the Environment `referral-committee`
- **2024-04-02** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2024-04-02** Favorable Adopted `committee-passage-favorable`
- **2024-04-02** Second Reading Passed
- **2024-04-04** Third Reading Passed `passage`
- **2024-04-04** Returned Passed
- **2024-05-09** Approved by the Governor - Chapter 644 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9f544365-86ff-46b1-8305-60ed3a67f530`. Confidence: reported (aggregated from official Maryland legislature records).