Success Story: Environmental Analytical Chemistry Researcher Secures I-140 NIW Approval for Work Protecting Public Health and Sustainable Agriculture
Client’s Testimonial:
"I am extremely pleased with the North America Immigration Law Group for their outstanding work on my NIW petition. From the moment I signed the contract, their team demonstrated exceptional professionalism, expertise, and dedication. They provided expert advice throughout the process, guided me with clarity, and promptly addressed all my questions. Impressively, my entire NIW petition was completed and filed within just three months of signing the contract. I truly appreciate their efficiency, attention to detail, and commitment to excellence. I highly recommend their services to anyone pursuing an NIW petition."
On May 14th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Graduate Research Assistant in the Field of Environmental Analytical Chemistry (Approval Notice).
General Field: Environmental Analytical Chemistry
Position at the Time of Case Filing: Graduate Research Assistant
Country of Origin: Sri Lanka
State of Residence at the Time of Filing: Kansas
Approval Notice Date: May 14th, 2026
Processing Time: 6 months, 21 days (Premium Processing Upgrade Requested)
Case Summary:
North America Immigration Law Group is pleased to share the I-140 NIW approval of a client working in environmental analytical chemistry. The client’s proposed endeavor focuses on developing novel detection techniques and applying advanced analytical methods to detect environmental and pharmaceutical contaminants. His work is positioned to improve public health, environmental safety, and agricultural sustainability in the United States.
The Client’s Work and National Relevance
The client is currently conducting research in the United States and plans to continue working in a chemistry role closely tied to environmental monitoring and contaminant detection. His current and planned work includes analyzing water and soil samples, developing methods for per- and polyfluoroalkyl substances (PFAS) and pharmaceutical detection, and supporting environmental and agricultural safety efforts.
Evidence of Expertise and Field Recognition
The client’s record included 4 peer-reviewed journal articles and 6 abstracts, 3 of which were first-authored. We did not present these numbers as merely a list of accomplishments. Instead, the petition explained that his publication record showed sustained work in analytical chemistry methods with practical applications in contaminant detection, veterinary pharmacology, and drug delivery evaluation.
The client’s published work had received 12 citations. While this citation count was modest in absolute terms, the petition contextualized it carefully by showing that some of his articles were cited at notably strong rates for their publication year and field. The petition also highlighted that the client had completed at least 1 peer review. This service was presented as an additional signal of professional trust, showing that an authoritative journal considered him qualified to evaluate new work in a field closely related to his proposed endeavor.
How We Demonstrated the Client’s Significance
To show the client’s significance, we connected his record of research to the specific national importance of his proposed endeavor. The petition emphasized his expertise in advanced analytical methods, his work with contaminant and pharmaceutical detection, his publication history, citation evidence, peer-review service, and planned continuation of research in the United States. This helped show that he was not only interested in an important field, but also well-positioned to keep contributing to it.
The Approval
USCIS approved the client’s I-140 NIW petition, recognizing the value of his continued work in environmental analytical chemistry. We congratulate the client on this important approval and wish him continued success as he advances research supporting cleaner environments, safer agricultural systems, and stronger public health protection in the United States.

