RTI Laboratories – Now Part of SGS North America

Welcome RTI Laboratories

SGS North America is excited to welcome RTI Laboratories (RTI) into our expanding network of environmental and materials testing laboratories. Based in Detroit, Michigan, RTI brings decades of specialized expertise in PFAS, materials, and microplastics analysis further strengthening SGS’s position as a leader in comprehensive testing and analysis across North America.

Expanded Capabilities

  • PFAS Testing Expertise: Certified for EPA Methods 1633, 537.1, and 533, with extensive experience in both environmental and materials sample analysis.
  • DoD-Certified Services: RTI is our fifth laboratory certified to meet rigorous Department of Defense testing standards.
  • Materials Testing: Comprehensive capabilities including metallurgical testing, alloy chemistry, failure analysis, EDTA, ISM, and more.
  • Microplastics Analysis: Expanded capacity for microplastics testing in both environmental and materials matrices.
  • Regional Support: Located in Detroit, Michigan, RTI enhances our presence with local courier services and responsive client support.

With RTI’s deep experience and certifications in both commercial and DoD testing standards, we are expanding our capabilities to better support government agencies, industries, and communities with advanced testing solutions and emerging contaminant challenges.

Explore Emerging Contaminant Services

Explore the Future with SGS

At SGS, we are committed to providing the highest quality services to help you navigate today’s complex environmental landscape. Together with RTI, we’re poised to deliver even greater support for your projects.

SHS North America News

How Do We Measure the CCL6

Part 1: Pharmaceuticals The US EPA released its draft contaminants candidates list (CCL6) on 02-April-2026. It contains a long list of individual contaminants including industrial chemicals, flame retardants, pesticides, ubiquitous[...]

14
Apr
Ethylene Oxide (EtO) Analysis
March 18, 2026

Detecting Ethylene Oxide (EtO) to 0.040 ppbv is now possible in ambient air with SGS’s evacuated canister method. The EPA identified ethylene oxide (EtO) as a potential carcinogen at low concentration. Our[...]

EtO Update: EPA Proposes Reconsideration for the 2024 Commercial Sterilizer Rule

EtO Update: EPA Proposes Reconsideration for the 2024 Commercial Sterilizer Rule We aim to keep you informed of any new legislation proposed by the Environmental Protection Agency (EPA) on ethylene oxide[...]

18
Mar
Food & Seafood Testing Services 

Food & Seafood Testing Services  Environmental Contaminants, Regulatory Monitoring and Risk Assessment  Environmental contaminants are increasingly influencing food safety, particularly in seafood where bioaccumulation and aquatic exposure pathways create heightened[...]

10
Mar
PFAS AND EMERGING CONTAMINANTS NEWSLETTER – FEBRUARY 2026

PFAS and Emerging Contaminants Newsletter Per- and polyfluoroalkyl substances (PFAS) are recognized as persistent environmental contaminants with the potential for long-range transport across multiple media. While PFAS are traditionally associated with[...]

27
Feb
First Silicosis Case Confirmed from Engineered Stone Exposure

The risks associated with respirable crystalline silica are well documented, yet recent public health alerts signal a troubling escalation tied specifically to engineered stone. In late 2025, U.S. health authorities[...]

26
Feb
ASTM Releases First-Ever Standard Method for Ultrashort PFAS: ASTM D8628-25 Authored by SGS 

A significant achievement in global PFAS measurement, enabling accurate quantification of ultrashort PFAS for regulators, industry, and laboratories worldwide.  ASTM International has released ASTM D8628-25, the first globally available ultrashort PFAS[...]

03
Feb
EPA Proposes New Threshold for Formaldehyde Risk 

By: Ed Stuber If you’ve been following regulatory activity around chemical exposure, you know that formaldehyde has remained a complex and evolving topic. In December, the U.S. Environmental Protection Agency (EPA) released updated draft risk evaluations[...]

21
Jan

Why SGS for your Testing Needs?

  • Global Reach, Local Expertise: A worldwide laboratory network backed by local knowledge to meet your needs.
  • Regulatory Compliance: Expertise in regional and international guidelines, including EPA, CCME, and more.
  • Customized Analytical Plans: Tailored testing protocols to address unique project challenges.
  • Proven Track Record: Decades of experience delivering high-quality data to industries across North America.

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