---
title: "What is a \"deficient sample\" on a Rhode Island breathalyzer?"
description: "A deficient sample indicator means the breath sample volume or flow rate did not meet the machine's minimum threshold. A deficient sample reading is not admissible as evidence of a specific BAC."
url: https://riduilaws.com/faq-items/what-is-a-deficient-sample-on-a-rhode-island-breathalyzer/
date: 2026-10-29
modified: 2026-10-29
author: "RI DUI Laws"
type: faq
lang: en
---

# What is a "deficient sample" on a Rhode Island breathalyzer?

A deficient sample indicator means the breath sample volume or flow rate did not meet the machine's minimum threshold. A deficient sample reading is not admissible as evidence of a specific BAC.

What is a "deficient sample" on a Rhode Island breathalyzer?[RI DUI Laws](https://riduilaws.com/author/admin_xxgjem88/)2026-10-29T22:15:23+00:00