Environmental Source Samplers, Inc.

Environmental Source Samplers, Inc. Environmental solutions company, serving industrial, institutional and government agencies Environmental Source Samplers, Inc.

(ESS) an environmental consulting firm specializing in air quality and air emissions testing. ESS is headquarters in Wilmington, North Carolina and recently opened an office in Hanoi, Vietnam to serve the southeast Asia region with stack testing and air-quality consulting services. Contact the team at ESS for expert air quality testing services for EPA compliance or for international stack testing

and air emissions testing services. Visit them at http://www.essknowsair.com or call (910) 799-1055.

Who is conducting your CEMS RATAs? Improperly conducted, failed or poorly documented CEMS RATA testing doesn’t just inv...
03/17/2026

Who is conducting your CEMS RATAs? Improperly conducted, failed or poorly documented CEMS RATA testing doesn’t just invalidate data.
It can mean:
• Retesting costs
• Production delays
• Regulatory exposure
• Damaged credibility
Skilled source testing professionals matter – Verify your CEMS RATA vendor’s experience, QSTI Accreditation and Performance.
ESS, since 1979, Providing environmental solutions; Supporting environmental management programs; and, Ensuring client compliance.
Contact us at www.essienv.com

Many EMB air findings are preventable. Over multiple internal audits, we have found the following frequent oversights. ...
03/10/2026

Many EMB air findings are preventable. Over multiple internal audits, we have found the following frequent oversights.
• Incomplete calibration documentation
• Incorrect stack location criteria
• Outdated calibration certificates
• Improper reporting format
• Unverified combustion conditions
A pre-inspection technical review can eliminate these before regulators arrive.
Contact us at www.essienv.com

Hands-on training with the Zwin AQMS-06-M!Participants explored its key features, capabilities, and cloud connectivity w...
03/03/2026

Hands-on training with the Zwin AQMS-06-M!

Participants explored its key features, capabilities, and cloud connectivity with Mr. Jessie Mazon, ESS’s Technical Representative, serving as resource speaker during the Capacity Building for Environmental Monitoring Officers on Methane Analyzers.

Advancing skills for smarter and more effective environmental monitoring!

Here in the Philippines, Air quality monitoring in the field, paired with one of those end-of-day sunsets that remind us...
02/16/2026

Here in the Philippines, Air quality monitoring in the field, paired with one of those end-of-day sunsets that remind us why this work matters. We’re fortunate to support air quality assessment and environmental protection efforts in communities across the region—combining technical rigor with real-world impact. Grateful for the teams on the ground who make this work possible.

Air quality solution specialists - Contact at www.essienv.com

Dry seasons often bring dust, smoke, and pollution that aren’t always obvious. Testing early helps catch problems before...
02/10/2026

Dry seasons often bring dust, smoke, and pollution that aren’t always obvious. Testing early helps catch problems before they affect health.
Pay attention to particulate matter (PM2.5/PM10), carbon monoxide, and indoor pollutants—these usually spike during dry months.
Contact us to know what the best solution is.
www.essienv.com

ESS's technical director is conducting detailed pre-test activities ahead of an upcoming Relative Accuracy Test Audit (R...
02/05/2026

ESS's technical director is conducting detailed pre-test activities ahead of an upcoming Relative Accuracy Test Audit (RATA) to validate Continuous Emissions Monitoring System (CEMS) performance and ensure regulatory compliance.
These activities are critical to ensuring defensible emissions data, minimizing test risk, and maintaining reliable long-term CEMS operation.

Smart ambient air quality monitorIdeal for monitoring air quality outside or in workshops, EcomSmart measures the follow...
02/05/2026

Smart ambient air quality monitor

Ideal for monitoring air quality outside or in workshops, EcomSmart measures the following key parameters:

Air pollutant concentrations: PM1, PM2.5, PM4, PM10, TSP, O3, NO, NO2, SO2, H2S, NH3, HCl, Cl2, CH2O... (available on request)
Meteorological parameters: air temperature, air pressure and relative humidity
Means of localization: GPS
EcomSmart collects data in real time and wirelessly transmits them to Ecomesure's advanced web platform, where they can be analyzed, managed and uploaded onto websites, smart city platforms and imported into software programs. The web platform also allows you to remotely control your monitor.

Contact us at www.essienv.com

ESS 🤝 APEX INSTRUMENTPrecision Meets PortabilityApex's XC-572 Isokinetic Source Sampler - a compact, lightweight, and fu...
10/21/2025

ESS 🤝 APEX INSTRUMENT

Precision Meets Portability

Apex's XC-572 Isokinetic Source Sampler - a compact, lightweight, and full-featured solution for reliable emission sampling.

Engineered for accuracy and ease of use, the XC-572 enables operators to precisely monitor gas velocities, temperatures, pressures, and sample flow rates, ensuring true isokinetic sampling conditions at all times.

✅ Compact design for field portability
✅ Advanced monitoring and control features
✅ Trusted performance for environmental and industrial applications

ESS proudly partners with Apex Instruments to bring world-class air sampling technology to your operations.

Successful Delivery in the Philippines 🇵🇭ESS team has successfully delivered 6 units of Portable Methane Analyzers to ou...
10/14/2025

Successful Delivery in the Philippines 🇵🇭

ESS team has successfully delivered 6 units of Portable Methane Analyzers to our valued client in the Philippines. 🎉

These advanced instruments will support environmental monitoring and safety initiatives, ensuring accurate and reliable methane detection in the field.

We are pleased to support the installation of a high-capacity diesel generator for an industrial project in Indonesia. ⚡...
09/23/2025

We are pleased to support the installation of a high-capacity diesel generator for an industrial project in Indonesia. ⚡

This generator set is designed to deliver stable and reliable power supply for critical industrial operations, ensuring efficiency and minimizing downtime.

🏭 The Stack: More than just a structure 🏭The stack is where operations and responsibility meet. 🌍With CEMS, it’s not jus...
09/10/2025

🏭 The Stack: More than just a structure 🏭
The stack is where operations and responsibility meet. 🌍
With CEMS, it’s not just about measuring emissions—it’s about understanding efficiency, stability, and impact. 📊

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Wilmington, NC
28409

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

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