Trillium, Inc. is an environmental consulting firm which specializes in environmental and forensic chemistry.

Established in 1987, Trillium, Inc., provides these services to industries, law firms and attorneys, consulting groups, and private individuals. Trillium's personnel have experience managing industrial research and development and commercial environmental analytical laboratories, teaching at the university level, method development, collecting samples in the field, analyzing samples in the laboratory, and performing laboratory quality assurance functions. This experience, coupled with our academic credentials, makes us uniquely qualified to address your environmental chemistry and quality assurance concerns.

    Expert Witness Services Data Interpretation/Environmental Forensic Chemistry
Data Validation
Data Usability Project Specific Quality Assurance/Quality Control
Quality Assurance Project Plan (QAPP) Preparation and Review Information Services
Laboratory Audits Performance Evaluation (PE) Samples
Third Party Reviews
Regulatory Agency Standard Operating Procedure Development
Research Field Laboratories Courses/Presentations


James S. Smith, Ph.D., President/Chemist
Coatesville, Pennsylvania
Elizabeth K. Dickinson, Vice President/Quality Assessment Manager
Downingtown, Pennsylvania
Michael C. Hadka, Ph.D, Chemist
Downingtown, Pennsylvania
Carol A. Erikson, M.S., Quality Assessment Manager
Knoxville, Tennessee
Engrid S. Carpenter, Quality Assessment Manager
Baton Rouge, Louisiana
Denise A. Shepperd, Quality Assessment Manager
Wilmington, Delaware

Patricia A. Cochran, Quality Assessment Manager/Administrative Assistant
Elverson, Pennsylvania

Trillium's "Two Scents"

Find all of our published newsletter issues here


Trillium's Main Office:

Coatesville, PA
28 Grace's Drive
Coatesville, PA 19320
(610) 383-7233
FAX (610) 383-7907

Additional Technical Offices:
Downingtown, PA
27 LaFayette Circle
Downingtown, PA 19335
(610) 458-0289
FAX (610) 458-0324
Downingtown, PA
520 Peck Road
Downingtown, PA 19335
(610) 873-2691
FAX (610) 873-2692
Baton Rouge, LA
9312 Highland Gardens Road
Baton Rouge, LA 70811
(225) 355-8702
FAX (225) 355-8987
Knoxville, TN
356 Farragut Crossing Drive
Knoxville, TN 37922
(865) 966-8880
FAX (865) 966-8885
Wilmington, DE
2014 Carol Drive
Wilmington, DE 19808
(302) 992-9737
FAX (302) 992-9978
Elverson, PA
599 Yoder Road
Elverson, PA 19520
(610) 913-8440
FAX (610) 913-8320

Employment Opportunities

Useful Links

Environmental Agencies

Document Resources

Professional Organizations

Environmental Protection Agency (EPA)   Government Printing Office (GPO)  American Chemical Society (ACS)
PA Dept of Environmental Protection (PADEP) National Technical Information Service (NTIS) National Ground Water Association (NGWA)
NJ Dept of Environmental Protection (NJDEP) National Service Center for Environmental Publications American Academy of Forensic Sciences (AAFS)
LA Dept of Environmental Quality (LDEQ) EPA Staff Publications Chemical Heritage Foundation
DE Dept of Natural Resources and Environmental Control (DNREC)    
TN Dept of Environment & Conservation (TDEC)    


Last Updated May 14, 2009