How Continuous Monitoring Fits the OOOOb Path
OOOOb opened a door that periodic camera surveys never allowed: using advanced continuous or periodic screening technology as an alternative way to find leaks. This page explains, at a practitioner level, how that alternative path works, what equivalency means in this context, and what the monitoring data has to demonstrate to serve as an alternative. It is written for operators weighing continuous monitoring against traditional surveys, and it defers to qualified personnel and the current rule on the specific approval requirements.
OOOOb Continuous Monitoring Path in one line: Under OOOOb, an operator can use advanced continuous or periodic screening technology as an alternative to the traditional periodic survey, provided the approach meets the equivalency the rule sets - broadly, that it detects and enables timely repair of leaks at least as effectively as the prescribed survey method. The continuous data has to demonstrate that leaks are found and addressed on a basis the rule accepts, not merely that a sensor is installed.
The Alternative Path the Rule Opened
The traditional way to satisfy a fugitive-emissions requirement is a person walking the site on a schedule with an approved instrument, as described in the guide on what OOOOb fugitive monitoring requires. OOOOb recognized that technology had moved on and created a pathway for advanced screening - continuous sensors, periodic remote screening, and similar approaches - to be used instead, where they meet the equivalency the rule requires. This is a genuine alternative, not just a supplement.
The appeal is obvious for remote, dispersed sites: a continuous approach can watch for leaks all the time rather than only on survey days, and it can reduce the cost and logistics of sending crews to every site on a fixed cadence. Instead of catching only the leaks that happen to be present on survey day, continuous monitoring can catch leaks whenever they develop, which is a different and arguably better detection posture. The concept is covered in the explainer on the continuous monitoring alternative to LDAR.
The catch is that the alternative is not automatically compliant. The rule sets an equivalency the approach has to meet, and the operator has to be able to show the continuous method actually delivers leak detection and repair at least as effective as the survey it replaces. Choosing the alternative path means taking on the burden of demonstrating that equivalency, which is where the data becomes central.
What the Data Has to Demonstrate
For continuous monitoring to serve as the alternative, the data has to show more than that a sensor exists. It has to demonstrate that leaks are being detected and that detection leads to timely investigation and repair - the same find, fix, and verify outcome the traditional survey produces, achieved through continuous data instead. A monitoring system that detects an elevated concentration but does not drive a repair has not replicated the survey's purpose.
That means the continuous approach needs to connect detection to action: an elevated reading has to trigger investigation, a confirmed leak has to be repaired within the expected timeframe, and the repair has to be verified, all recorded. The localization of a leak from concentration and wind data, discussed in the explainer on continuous methane monitoring, is what turns a raw detection into an actionable finding a crew can resolve. Without that link, continuous data is just numbers.
A cloud SCADA platform such as Merobix supports the alternative path by ingesting continuous monitoring data alongside the rest of the site's telemetry, alarming on detection events, and retaining the record of detection, investigation, and repair. That integrated record is what demonstrates the alternative is working: it shows leaks were found continuously, investigated, and closed, which is the equivalency the rule is really asking about. The formal reporting side connects to the explainer on the methane monitoring compliance report.
Frequently Asked Questions
Can continuous monitoring replace periodic leak surveys under OOOOb?
It can, where the approach meets the equivalency the rule sets. OOOOb created a pathway for advanced continuous or periodic screening technology to be used as an alternative to the traditional periodic survey, not merely as a supplement. But the alternative is not automatically compliant: the operator has to demonstrate that the continuous method detects and enables timely repair of leaks at least as effectively as the survey it replaces. Choosing the alternative path means taking on the burden of showing that equivalency through the monitoring data, so it is a genuine alternative with its own demonstration requirements.
What does equivalency mean for the continuous monitoring alternative?
Broadly, that the continuous or periodic screening approach achieves leak detection and repair at least as effective as the prescribed survey method it replaces. The rule is not satisfied by installing a sensor; it is satisfied by demonstrating the same find, fix, and verify outcome the traditional survey produces, achieved through continuous data. That means detection has to lead to timely investigation and repair, and the whole cycle has to be recorded. Equivalency is about matching the survey's purpose - finding and closing leaks - not about the technology being identical, and the operator must show it against the current rule's requirements.
What does the monitoring data need to show for the alternative to work?
That leaks are detected and that detection drives timely repair, with the whole cycle recorded - not just that a sensor is present. An elevated reading has to trigger investigation, a confirmed leak has to be repaired within the expected timeframe, and the repair verified, all captured. Localizing a leak from concentration and wind data turns a raw detection into an actionable finding. An integrated record showing leaks were found continuously, investigated, and closed is what demonstrates the alternative delivers the equivalency the rule requires, rather than merely producing readings that no one acts on.
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