ESS is Authorized Apex Equipment Distributor in Vietnam and SE Asia

Stack Testing ServicesEnvironmental Source Samplers, Inc. (ESS), an international air-quality consulting firm, is now an authorized distributor of Apex Instruments stack testing and monitoring equipment in Vietnam and the Southeast Asian region.

This distribution deal coincides with the commissioning and staffing of an ESS office in Vietnam, as part of a multi-pronged approach to providing air-quality consulting, monitoring, and emissions testing needs in the developing economies of Southeast Asia.

ESS was established in 1979 and has a history of over 30 years of providing stack testing, and air-quality consulting services, both domestically in the United States and internationally. Headquartered in Wilmington, North Carolina, ESS has a large client base in the Eastern United States, and in the past 18 months has performed emissions testing and monitoring projects in international venues such as the Dominican Republic, Haiti, Sweden, and Hong Kong.

Apex Instruments was established in 1988 and has more than 24 years experience in providing stack testing and monitoring equipment. Headquartered in Fuquay Varina, North Carolina, Apex has manufactured equipment for sampling emissions from industrial chimneys and smoke stacks using US-EPA guidelines. Apex equipment is designed by a staff of experienced stack testers who understand the compliance testing needs both in the United States and internationally, and has a distribution network that stretches around the globe.

ESS and Apex have 25 years experience of working together in the United States, and are excited by this new opportunity to leverage their joint strengths to service the air-quality needs of the new and developing economies in Vietnam, and elsewhere in Asia. But this push will not come at the expense of the same quality of domestic American service that has made ESS and Apex a leader in the emissions testing and air-quality consulting industry.

Should you have needs or requirements, both domestic and internationally, give ESS a call today: 910-799-1055

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Brian Mellor About Brian Mellor

Brian Mellor works with Environmental Source Samplers, Inc. (ESS), an environmental consulting firm specializing in stack testing, CEMS Testing, and EPA air emissions compliance.

ESS has conducted international stack testing projects at Johnson Atoll, in the Philippines, the Dominican Republic, Hong Kong, and various parts of Europe. If you need a team that will do your international job with efficiency and effectiveness, call ESS at (910) 799-1055 or visit