envirochex is a Dallas-based consultant specializing in healthy indoor environments.  Founded by Mr. Randy Penn, envirochex provides investigation, testing, and consulting services relating to microbial contamination and indoor air quality issues.  

Mr. Penn is an independent Certified Indoor Environmentalist (CIE) and a licensed Mold Assessment Consultant (Texas Department of State Health Services).  Although not in practice, he also holds an inactive-status license in Texas as a professional real estate inspector which provides additional qualifications for investigations of structures with moisture problems.

Capitalizing on over 30 years experience in engineering, research and development, contracting, program management, and consulting, Randy has directed numerous projects in consumer, commercial, industrial and government domains.  He is dedicated to providing clients with unsurpassed service by utilizing an extensive background in situation assessment, innovating thinking, and logical problem solving.  Additional qualifications include:

Bachelor of Science Degree (Mechanical Engineering)
Licensed Mold Assessment Consultant (TDSHS MAC#0411)
Certified Indoor Environmentalist (IAQA #00711)
Licensed Professional Real Estate Inspector (TREC #5491)
Attended and Completed American Inspectors Institute
Completed IAQA Mold Remediation Workshop
Member: Indoor Air Quality Association (IAQA)
Member: American American Indoor Air Quality Council (AmIAQC)

Mr. Penn's career has spanned research laboratory, corporate office and job-site environments involving high-hazard, high-risk life-safety systems as well as contracting/construction experience on projects ranging from residential properties to the aerospace industry.  Highlights include:

• Designed and directed both lab and field testing programs

• Obtained and analyzed thousands of data series

• Consulting to National Standards Committees

• Authored proposals, specifications and guidelines

• Developed protocols and environmental Best Management Practices

• Performed hundreds of system and facility inspections

• Attended numerous professional development seminars

• Served as Instructor/Lecturer on technical and non-technical topics

Randy has invested hundreds of hours of independent research into microorganisms and their significance on indoor air quality and now applies his background in engineering, construction, inspection and testing to identify conditions conducive to indoor environmental problems.  

With a goal of consistently providing unbiased services and avoiding conflicts of interest, Mr. Penn will not endorse affiliation with any remediation company, laboratory, insurance company, or any other party that may realize financial gains from the outcome of a project.  Utilizing industry recognized sampling equipment and testing protocols, the focus remains on recovery of quality specimens and factual information during all field activities.