Resources  |  Sampling Guidance

Provided herein are a few resources to aid you in your sampling efforts.

ECCS Chain of Custody

The ECCS chain of custody (COC) is the primary tool for you to log your samples and communicate with the laboratory.  It is critical that you fill it out both completely and legibly to ensure our work product matches your sampling plan and data quality objectives.  More detail is always better. 

Although we always send COCs in coolers with container requests, attached find a PDF of our COC should you run out or want to pre-complete the project-related information BEFORE going into the field.



ECCS VOC/ 8260 Sample Collection

Realizing that VOC (8260) sampling involves important sample collection procedures, provided herein are special instructions for VOC sample collection and delivery to the lab.  Note that these instructions are for purposes of sending VOC samples to our laboratory in Madison, WI.




Sample Containers and Holding Times

Sample holding time is one of the many benefits of using a mobile laboratory.  In short, holding time is never a concern.  That said, it is a concern for our fixed-base laboratory operations, and something that follow the strict guidelines that EPA has established.