At ETL we provide multiple types of asbestos analysis for every possible situation.

Analysis To Suit Every Need


Asbestos Phase Contrast Microscopy (PCM) gives the fiber concentration of an air cassette filter, following the NIOSH 7400 Method.

NIOSH 7400 Method

  • This method is used for measuring fibrous dust greater than 3 microns in diameter and greater than 5 microns in length. ETL uses the analysis data provided by the client to give a final result in fibers per cubic centimeter.
  • ETL utilizes Olympus CH2 microscopes to perform phase contrast microscopy. We come well equipped with proper calibration of equipment and preparation of samples.

You Got Samples, Now What?

Sample Mailing and Delivery

Samples may be mailed or hand-delivered. A Chain of Custody (CoC) may be filled out in the lab upon your arrival or downloaded here. If a sample is mailed, a CoC must be attached with the proper information and signatures. Bulk asbestos samples should be at least 2 square inches. Each sample must be separately double-bagged in sealed Ziplocs or containers with the Chain of Custody included in your package outside of the sample bags to prevent contamination.

Mail/Drop Off Location

You may mail or deliver your package to :

37575 W Huron River,
Romulus, Michigan 48174

Did you know that ETL has Dropboxes throughout Metro Detroit?

Payment Information

Payment may be cash, check, or credit. Please make checks out to Environmental Testing & Consulting, Inc. Credit card payment may be taken over the phone. Please make a note on your CoC if you intend on using a credit card upon receiving your report.