Mold Testing and Inspections San Diego
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Certified Indoor Air Quality Inspectors

"Over the past years, we at ET&T have developed a nationwide and international network of professionals and partners we work with on larger or specialty projects."


Peter Sierck, Principal/Industrial Hygienist


The Founder of ET&T in 1986, Peter pioneered indoor air quality testing methods and procedures for residential and commercial buildings. He has surveyed over 3,000 buildings and has been called upon as an expert witness in numerous litigation cases. In addition to managing the company, Peter directs our Indoor Air Quality, EMF and Training Departments.

As a committee chair, Peter was instrumental in the development of the ANSI/IICRC S520 Standard and Reference Guide for Professional Mold Remediation and ANSI/IICRC S520 S500 Standard and Reference Guide for Professional Water Damage Restoration. Peter is currently on the Board of Directors for the IESO (international Environmental Standards organization), member of its Consensus Body, and PHEAF Standard committee.

He has studied industrial hygiene, environmental methods, and engineering controls at University of San Diego, University of California Berkeley, in Germany, and with other professional organizations such as MidAtlantic Environmental Hygiene Resource Center (MEHRC) in Philadelphia. Peter is a Registered Environmental Assessor (REA), Certified Indoor Environmental Consultant (CIEC), Certified Microbial Consultant (CMC), Certified Mold Remediation Supervisor (CMRS) and Certified Indoor Air Quality Professional (CIAQP). He is an OSHA authorized safety and health trainer and Radio Frequency Safety Officer.

Andrew Jordan - Certified Microbial Investigator/ Environmental Consultant

Andrew joined ET&T in 2007 after receiving his Bachelors Degree from the University of California Santa Barbara. His responsibilities include microbial investigations along with developing remediation specifications, conducting indoor air quality (IAQ) and electromagnetic field (EMF) surveys. He is a State of California Certified Asbestos Consultant (CAC) and Lead Sampling Technician, a council-Certified Microbial Investigator (CMI) through the ACAC, an EPA RRP certified lead contractor and certified in Water Damage Restoration (WRT) and Microbial Remediation (AMRT) by the IICRC.

Andrew tracks projects and laboratory samples as well as ensuring completion of related documentation. He also consults with customers in order to develop scope of work estimates for projects and keeps them informed about their project. His responsibilities also include equipment maintenance, calibrating instruments and maintaining calibration records.

Cecelia McCarthy – Environmental Microbiologist, Project Manager

Cece has been with ET&T since 2002. Her responsibilities include in-house laboratory analysis of mold samples and she provides consultations on microbial projects. She has over 20 years of laboratory experience in microbiology which includes environmental, clinical and medical manufacturing positions.

She is a Certified Spore Analysist I through the Pan American Aerobiology Certification Board, has a Bachelors of Science degree in Microbiology from San Diego State University, a Professional Certificate in Biotechnology from San Diego State University, an Associate of Science degree in Respiratory Care from Grossmont College, and maintains both California State and National Laboratory Scientist Licenses.


Felix Neumann – Indoor Environmental Consultant, Manager


Felix joined ET&T in 1996. She is a Certified Microbial Consultant and has supervised thousands of microbial projects during her decade as Operations Manager at ET&T.

She is a council-Certified Microbial Consultant (CMC) through the ACAC and a State of California Lead Assessor/Inspector. She is also a Bau-Biologist and has received training in building science, indoor air quality, EMF testing, infection prevention and control, fire and smoke damage, health and safety, mold, microbial and water damage restoration. With over fifteen years in the field, Felix has both field, project, and account management experience she brings to the table.

As a licensed physical therapist she has received training in ergonomics from various professional organizations in the US and Germany. Her medical background combined with her good business sense make her a valued asset for the company.

Brandon Garva -- Project Manager/Field Investigator

Brandon is the newest addition to the team, and has been with ET&T since the beginning of 2011. His responsibilities include conducting indoor air quality (IAQ), EMF, and microbial investigations along with developing remediation specifications. Brandon also plays an active role in sales and marketing, and is currently a key member of the internet marketing department.

Brandon has had the fortune of being able to gain experience in multiple industries throughout his career, and brings an array of knowledge and skill to ET&T. Brandon has over 10 years experience in the construction and real estate industry, and is currently a real estate agent, loan officer, and notary public. Brandon also gained experience working in the insurance industry as a licensed fire and casualty and life insurance agent. During his time working in the insurance industry he passed the Series 6 and Series 63 exams, enabling him to work with financial products. Brandon is currently in the process of obtaining his general contractors license.

To reach any member of our staff, please call 760-804-9400.






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