---
type: "Bill"
title: "Environment - Lead and Mercury Wheel Weights - Prohibited"
description: "Environment - Lead and Mercury Wheel Weights - Prohibited"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2017"
identifier: "HB 66"
citation: "Maryland HB 66 (2017)"
classification: ["bill"]
subjects: ["Environment", "Environment", "Department of", "Fines", "Hazardous and Toxic Substances", "Motor Vehicles", "Motor Vehicle Equipment", "Motor Vehicle Registration", "Notices", "Recycling", "Rules and Regulations"]
status: "enacted"
primary_sponsors: ["Lam"]
version_count: 1
action_count: 20
vote_count: 3
first_action: "2016-09-16"
last_action: "2017-05-04"
source: "openstates"
source_identifier: "ocd-bill/300469c1-30a4-4bc5-b662-7fe783abee74"
source_url: "http://mgaleg.maryland.gov/webmga/frmMain.aspx?id=HB66&stab=01&pid=billpage&tab=subject3&ys=2017rs"
source_hash: "db3fd7623974cb8e7b800bc82fd07c0d449370dc00cd9e8bb662a5d667c9d85a"
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 66 (2017) — Environment - Lead and Mercury Wheel Weights - Prohibited

## Version chain

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

1. **Bill Text** (committee substitute) — [source](http://mgaleg.maryland.gov/2017RS/bills/hb/hb0066f.pdf)

## Votes

- Third Reading — **32–14** (pass) · legislature
- Third Reading — **99–39** (pass) · legislature
- Third Reading — **88–47** (pass) · legislature

## Sponsors

- Lam — primary (person)

## Timeline

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

- **2016-09-16** Pre-filed `introduction`
- **2017-01-11** First Reading Environment and Transportation `referral-committee`
- **2017-01-11** Hearing 1/25 at 1:00 p.m.
- **2017-02-27** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2017-02-28** Favorable Report Adopted `committee-passage-favorable`
- **2017-02-28** Second Reading Passed
- **2017-03-02** Third Reading Passed (88-47) `passage`
- **2017-03-03** First Reading Education, Health, and Environmental Affairs `referral-committee`
- **2017-03-08** Hearing 3/21 at 1:00 p.m.
- **2017-04-03** Favorable with Amendments Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2017-04-04** Favorable with Amendments {164633/1 `committee-passage-favorable`
- **2017-04-04** Special Order until 4/5 (Senator Jennings) Adopted
- **2017-04-06** Favorable with Amendments {164633/1 Report Adopted `committee-passage-favorable`
- **2017-04-06** Floor Amendment {493922/1 (Senator Jennings) Adopted `amendment-passage`
- **2017-04-06** Second Reading Passed with Amendments
- **2017-04-07** Third Reading Passed with Amendments (32-14) `passage`
- **2017-04-08** House Concur - Senate Amendments
- **2017-04-08** Third Reading Passed (99-39) `passage`
- **2017-04-08** Passed Enrolled
- **2017-05-04** Approved by the Governor - Chapter 385 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/300469c1-30a4-4bc5-b662-7fe783abee74`. Confidence: reported (aggregated from official Maryland legislature records).