---
type: "Bill"
title: "\"HAZARDOUS WASTE CONSTITUENT\" DEFINITION"
description: "\"HAZARDOUS WASTE CONSTITUENT\" DEFINITION"
jurisdiction: "us/states/nm"
legislature: "New Mexico Legislature"
session: "2025"
identifier: "HB 140"
citation: "New Mexico HB 140 (2025)"
classification: ["bill"]
subjects: ["PUBLIC SAFETY (emergency services", "etc.)", "STATE AGENCIES & DEPARTMENTS (including reorganization)"]
status: "enacted"
primary_sponsors: ["Chandler, Christine", "Steinborn, Jeff"]
version_count: 4
action_count: 10
vote_count: 2
first_action: "2025-01-28"
last_action: "2025-04-09"
source: "openstates"
source_identifier: "ocd-bill/da4b0291-6ea5-40fd-bd0f-e12c6c7a5d3b"
source_url: "http://www.nmlegis.gov/Legislation/Legislation?chamber=H&legType=B&legNo=140&year=25"
source_hash: "68d7ca999459d291fc0a6adfb5efcf6c7110a89e1072b392dfdfc2c9901a1476"
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-nm"]
---

# New Mexico HB 140 (2025) — "HAZARDOUS WASTE CONSTITUENT" DEFINITION

## Version chain

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

1. **Amendments in Context** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/Amendments_In_Context/HB0140.pdf)
2. **EN substitute** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/bills/house/HB0140ENS.HTML)
3. **Final Version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/final/HB0140.PDF)
4. **introduced version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/bills/house/HB0140.HTML)

## Votes

- senate passage — **35–7** (pass) · upper
- house passage — **63–0** (pass) · lower

## Sponsors

- Chandler, Christine — primary (person)
- Steinborn, Jeff — primary (person)

## Timeline

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

- **2025-01-28** Sent to House Energy, Environment and Natural Resources Committee & House Judiciary Committee `introduction, referral-committee`
- **2025-02-10** DO NOT PASS, replaced with committee substitute `committee-passage`
- **2025-02-15** DO PASS committee report adopted `committee-passage-favorable`
- **2025-03-06** passed House `passage`
- **2025-03-06** Sent to Senate Rules Committee & Senate Conservation Committee `introduction, referral-committee`
- **2025-03-06** floor substitute adopted (1 amendment)
- **2025-03-10** DO PASS committee report adopted `committee-passage-favorable`
- **2025-03-18** DO PASS committee report adopted `committee-passage-favorable`
- **2025-04-09** Signed `executive-signature`
- **2025-03-20** passed Senate `passage`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/da4b0291-6ea5-40fd-bd0f-e12c6c7a5d3b`. Confidence: reported (aggregated from official New Mexico legislature records).