republic-os/legislation/us/states/md/2024/hb-457.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Environment - Synthetic Turf - Disclosure and Study	Environment - Synthetic Turf - Disclosure and Study	us/states/md	Maryland General Assembly	2024	HB 457	Maryland HB 457 (2024)	bill		enacted	Acevero Addison Allen Alston Amprey Attar Bagnall Barnes Boafo Boyce Charkoudian D. Jones Davis Ebersole Edelson Fair Foley Forbes Fraser-Hidalgo Guyton Guzzone Harris Healey Hill Holmes Ivey J. Long Kaufman Lehman Lopez Love Martinez McCaskill Palakovich Carr Pasteur Patterson Pena-Melnyk Phillips Pruski Qi R. Lewis Ruth S. Johnson Shetty Simmons Simpson Smith Solomon Stein Stewart Taveras Taylor Terrasa Vogel Williams Woods Ziegler	4	20	3	2024-01-22	2024-05-09	openstates	ocd-bill/5a52b2df-4454-47f0-bf5e-eedc485820ba	http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0457?ys=2024RS&search=True	85e20ee669f2afea5a6c887d04c2485ff291eaea62d36bac41498af78d3ffd9a	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-md

Maryland HB 457 (2024) — Environment - Synthetic Turf - Disclosure and Study

Version chain

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

1. Chapter - Environment - Synthetic Turf - Disclosure and Study (committee substitute) — source
2. Enrolled - Environment - Synthetic Turf - Disclosure and Study (committee substitute) — source
3. First - Environment - Synthetic Turf - Chain of Custody (committee substitute) — source
4. Third - Environment - Synthetic Turf - Chain of Custody (committee substitute) — source

Votes

• On Third Reading — 101–38 (pass) · lower
• On Third Reading (Amend) — 44–0 (pass) · upper
• On Third Reading and Final Passage (Hse concurred) — 103–31 (pass) · lower

Sponsors

• Acevero — primary (person)
• Addison — primary (person)
• Allen — primary (person)
• Alston — primary (person)
• Amprey — primary (person)
• Attar — primary (person)
• Bagnall — primary (person)
• Barnes — primary (person)
• Boafo — primary (person)
• Boyce — primary (person)
• Charkoudian — primary (person)
• D. Jones — primary (person)
• Davis — primary (person)
• Ebersole — primary (person)
• Edelson — primary (person)
• Fair — primary (person)
• Foley — primary (person)
• Forbes — primary (person)
• Fraser-Hidalgo — primary (person)
• Guyton — primary (person)
• Guzzone — primary (person)
• Harris — primary (person)
• Healey — primary (person)
• Hill — primary (person)
• Holmes — primary (person)
• Ivey — primary (person)
• J. Long — primary (person)
• Kaufman — primary (person)
• Lehman — primary (person)
• Lopez — primary (person)
• Love — primary (person)
• Martinez — primary (person)
• McCaskill — primary (person)
• Palakovich Carr — primary (person)
• Pasteur — primary (person)
• Patterson — primary (person)
• Pena-Melnyk — primary (person)
• Phillips — primary (person)
• Pruski — primary (person)
• Qi — primary (person)
• R. Lewis — primary (person)
• Ruth — primary (person)
• S. Johnson — primary (person)
• Shetty — primary (person)
• Simmons — primary (person)
• Simpson — primary (person)
• Smith — primary (person)
• Solomon — primary (person)
• Stein — primary (person)
• Stewart — primary (person)
• Taveras — primary (person)
• Taylor — primary (person)
• Terrasa — primary (person)
• Vogel — primary (person)
• Williams — primary (person)
• Woods — primary (person)
• Ziegler — primary (person)

Timeline

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

• 2024-01-22 First Reading Environment and Transportation referral-committee
• 2024-01-25 Hearing 2/16 at 1:00 p.m.
• 2024-02-15 Hearing canceled
• 2024-02-15 Hearing 2/16 at 12:30 p.m.
• 2024-02-26 Favorable with Amendments Report by Environment and Transportation committee-passage-favorable
• 2024-02-27 Favorable with Amendments { committee-passage-favorable
• 2024-02-27 Second Reading Passed with Amendments
• 2024-02-29 Third Reading Passed passage
• 2024-03-01 Referred Education, Energy, and the Environment referral-committee
• 2024-03-18 Hearing 3/20 at 1:00 p.m.
• 2024-04-05 Favorable with Amendments Report by Education, Energy, and the Environment committee-passage-favorable
• 2024-04-05 Favorable with Amendments { committee-passage-favorable
• 2024-04-05 Motion Laid Over (Senator Ready) Adopted
• 2024-04-08 Favorable with Amendments { committee-passage-favorable
• 2024-04-08 Second Reading Passed with Amendments
• 2024-04-08 Third Reading Passed passage
• 2024-04-08 House Concurs Senate Amendments
• 2024-04-08 Third Reading Passed passage
• 2024-04-08 Passed Enrolled
• 2024-05-09 Approved by the Governor - Chapter 567 executive-signature

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/5a52b2df-4454-47f0-bf5e-eedc485820ba. Confidence: reported (aggregated from official Maryland legislature records).