---
type: "Bill"
title: "Use of Phosphogypsum"
description: "Use of Phosphogypsum; Authorizes DOT to undertake demonstration projects using phosphogypsum in road construction aggregate material; requires DOT to conduct study on phosphogypsum as construction aggregate material; provides that phosphogypsum used under specified circumstances is not solid waste & is allowed use in state; authorizes placement of phosphogypsum in specified stack systems."
jurisdiction: "us/states/fl"
legislature: "Florida Legislature"
session: "2023"
identifier: "HB 1191"
citation: "Florida HB 1191 (2023)"
classification: ["bill"]
subjects: ["public transportation"]
status: "enacted"
chapter_law: "2023-311"
primary_sponsors: ["McClure"]
version_count: 4
action_count: 49
vote_count: 5
first_action: "2023-02-27"
last_action: "2023-07-05"
source: "openstates"
source_identifier: "ocd-bill/030ceb68-3b16-4970-a5b5-7281666650fe"
source_url: "https://flsenate.gov/Session/Bill/2023/1191/ByCategory"
source_hash: "ac25d7917550345b860a27bca41545fb6cdd12d7a572eb7b7d1636321ace2699"
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-fl"]
---

# Florida HB 1191 (2023) — Use of Phosphogypsum

Use of Phosphogypsum; Authorizes DOT to undertake demonstration projects using phosphogypsum in road construction aggregate material; requires DOT to conduct study on phosphogypsum as construction aggregate material; provides that phosphogypsum used under specified circumstances is not solid waste & is allowed use in state; authorizes placement of phosphogypsum in specified stack systems.

**Enacted** — Laws of Florida, Chapter 2023-311.

## Version chain

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

1. **H 1191 Filed** (filed) — [source](https://flsenate.gov/Session/Bill/2023/1191/BillText/Filed/PDF)
2. **H 1191 c1** (committee substitute) — [source](https://flsenate.gov/Session/Bill/2023/1191/BillText/c1/PDF)
3. **H 1191 c2** (committee substitute) — [source](https://flsenate.gov/Session/Bill/2023/1191/BillText/c2/PDF)
4. **H 1191 er** (enrolled) — [source](https://flsenate.gov/Session/Bill/2023/1191/BillText/er/PDF)

## Votes

- Favorable (Infrastructure & Tourism Appropriations Subcommittee) — **14–0** (pass) · lower
- Favorable With Committee Substitute (Infrastructure Strategies Committee) — **14–5** (pass) · lower
- Third Reading — **34–4** (pass) · upper
- Passage, Third Reading — **81–25** (pass) · lower
- Favorable With Committee Substitute (Transportation & Modals Subcommittee) — **14–3** (pass) · lower

## Sponsors

- Infrastructure Strategies Committee — primary (organization)
- McClure — primary (person)
- Transportation & Modals Subcommittee — primary (organization)
- Alvarez — cosponsor (person)
- Andrade — cosponsor (person)
- Basabe — cosponsor (person)
- Bell — cosponsor (person)
- Botana — cosponsor (person)
- Fernandez-Barquin — cosponsor (person)
- Killebrew — cosponsor (person)
- Payne — cosponsor (person)
- Roth — cosponsor (person)

## Timeline

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

- **2023-02-27** Filed `filing`
- **2023-03-06** Referred to Transportation & Modals Subcommittee `referral-committee`
- **2023-03-06** Referred to Infrastructure & Tourism Appropriations Subcommittee `referral-committee`
- **2023-03-06** Referred to Infrastructure Strategies Committee `referral-committee`
- **2023-03-06** Now in Transportation & Modals Subcommittee
- **2023-03-07** 1st Reading (Original Filed Version) `filing, reading-1`
- **2023-03-13** Added to Transportation & Modals Subcommittee agenda
- **2023-03-15** Favorable with CS by Transportation & Modals Subcommittee `committee-passage-favorable`
- **2023-03-16** Reported out of Transportation & Modals Subcommittee
- **2023-03-16** Laid on Table under Rule 7.18(a) `deferral`
- **2023-03-16** CS Filed `filing`
- **2023-03-16** 1st Reading (Committee Substitute 1) `reading-1`
- **2023-03-17** Referred to Infrastructure & Tourism Appropriations Subcommittee `referral-committee`
- **2023-03-17** Referred to Infrastructure Strategies Committee `referral-committee`
- **2023-03-17** Now in Infrastructure & Tourism Appropriations Subcommittee
- **2023-03-23** Added to Infrastructure & Tourism Appropriations Subcommittee agenda
- **2023-03-27** Favorable by Infrastructure & Tourism Appropriations Subcommittee `committee-passage-favorable`
- **2023-03-27** Reported out of Infrastructure & Tourism Appropriations Subcommittee
- **2023-03-27** Now in Infrastructure Strategies Committee
- **2023-04-13** Added to Infrastructure Strategies Committee agenda
- **2023-04-17** Favorable with CS by Infrastructure Strategies Committee `committee-passage-favorable`
- **2023-04-18** Reported out of Infrastructure Strategies Committee
- **2023-04-18** Laid on Table under Rule 7.18(a) `deferral`
- **2023-04-18** CS Filed `filing`
- **2023-04-18** 1st Reading (Committee Substitute 2) `reading-1`
- **2023-04-19** Bill referred to House Calendar
- **2023-04-19** Added to Second Reading Calendar
- **2023-04-20** Bill added to Special Order Calendar (4/25/2023)
- **2023-04-25** Read 2nd time `reading-2`
- **2023-04-25** Amendment 794783 Failed
- **2023-04-25** Amendment 374351 Failed
- **2023-04-25** Placed on 3rd reading `reading-3`
- **2023-04-25** Added to Third Reading Calendar
- **2023-04-26** Read 3rd time `reading-3`
- **2023-04-26** CS passed; YEAS 81, NAYS 25 `passage`
- **2023-04-26** In Messages
- **2023-04-26** Referred to Fiscal Policy `referral-committee`
- **2023-04-26** Received `enrolled`
- **2023-05-01** Withdrawn from Fiscal Policy `withdrawal`
- **2023-05-01** Placed on Calendar, on 2nd reading
- **2023-05-01** Substituted for CS/CS/SB 1258
- **2023-05-01** Read 2nd time `reading-2`
- **2023-05-01** Read 3rd time `reading-3`
- **2023-05-01** CS passed; YEAS 34 NAYS 4 `passage`
- **2023-05-01** In Messages
- **2023-05-01** Ordered enrolled `enrolled`
- **2023-06-26** Signed by Officers and presented to Governor `executive-receipt`
- **2023-06-29** Approved by Governor `executive-signature`
- **2023-07-05** Chapter No. 2023-311

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/030ceb68-3b16-4970-a5b5-7281666650fe`. Confidence: reported (aggregated from official Florida legislature records).