---
title: OOOOa Closed Vent System PE Certifications
description: '14 upstream operator facilities certified under 40 CFR Part 60 Subpart OOOOa across Texas and New Mexico. Drone-documented, ProMax-simulated, and PE-sealed reports delivered ahead of the regulatory deadline (April 2022 – May 2022).'
canonical: 'https://staging.bellengr.com/projects/ooooa-cvs-certifications/'
url: 'https://staging.bellengr.com/projects/ooooa-cvs-certifications.md'
post_id: 1173
post_type: projects
last_modified: '2026-04-23T00:10:19-05:00'
last_converted: '2026-04-27T08:26:17-05:00'
---

# OOOOa Closed Vent System PE Certifications