Understanding EPA NG4 noise limits for your licensed site
A plain-English guide to the EPA's NG4 guidance on noise from industrial activity — what the daytime and night-time limits mean, and how to demonstrate compliance.
theESGteam delivers independent noise, air quality and water quality audits for commercial and public-sector clients — turning accurate field measurements into clear, regulator-ready reports.
Trusted by manufacturers, developers, local authorities and government bodies nationwide.
Three core audit services
Each survey is scoped to your site and obligations, carried out with calibrated instrumentation and recognised methods, and delivered as a plain-English report.
Environmental & occupational noise monitoring
Independent environmental and workplace noise surveys — from planning-condition compliance to boundary and occupational assessments.
Explore this serviceAmbient & workplace air quality monitoring
Ambient, indoor and emissions monitoring — particulates, gases, dust and workplace exposure — measured against Irish and EU limit values.
Explore this serviceSurface, ground & discharge water monitoring
Sampling and analysis of surface water, groundwater, drinking water and trade effluent — from discharge licence compliance to catchment protection.
Explore this serviceIndependent expertise, built for Irish compliance
From a single planning-condition survey to an ongoing monitoring programme across multiple sites, we give you data that holds up — to the EPA, local authorities, the HSA and your own stakeholders.
More about our approachA straightforward path to compliance
We discuss your site, sector and the regulations or conditions that apply.
We monitor on-site with calibrated equipment following recognised standards.
Results are assessed against the relevant limit values and benchmarks.
You receive a clear report with findings and practical recommendations.
From small businesses to government
We work with organisations of every size across Ireland — wherever environmental performance needs to be measured and evidenced.
From our blog
Practical guidance on environmental monitoring and compliance in Ireland.
A plain-English guide to the EPA's NG4 guidance on noise from industrial activity — what the daytime and night-time limits mean, and how to demonstrate compliance.
Dust complaints can stall a project. Here's a practical checklist for monitoring construction dust and keeping your site on the right side of planning conditions.
The WFD shapes water quality obligations across Ireland. Here's how it affects discharge licences, development near watercourses, and your monitoring duties.
Talk to our team about a noise, air or water audit tailored to your site, sector and regulatory obligations.