Echelon Environmental Enterprises - Quality Control Program

Echelon Environmental

Professionalism, Dependability & Accountability to the Client ALWAYS!

QUALITY CONTROL PROGRAM

All laboratories retained by Echelon perform the following proven standard analytical
techniques. To insure the highest quality of analytical data, we have developed an
in-house Quality Assurance/Quality Control Program with the following features:

Compliance with approved EPA and NIOSH methods for sample

collection, preservation, storage, analysis and disposal.

Participation in the Proficiency Analytical Testing (PAT) Program.

Chain of Custody Records (COCR) is maintained on all samples, both

during the collection phase of the work, and during the laboratory analysis.

Request for statistical parameters or control charts to monitor accuracy of

analyses and overall laboratory effectiveness of analytical laboratories used.

The foremost analytical instruments available are used for analysis.

Instrument operators have received formal and on-the-job training,
and are certified in their competence to use the instruments.

Monthly audits of equipment condition, procedures, project record keeping

and reference materials.

Requirement of matrix spikes to be analyzed at a rate of at least one or 5%

of the samples in a sample set with the same or similar matrix from the
analytical laboratory used. Each type of matrix in a set is spiked at least once.

Requirement from the analytical laboratory used of reagent water blanks will

be analyzed at a rate of one for every sample set.

Requirement of complete files to be maintained for analytical sample

certificates of analysis, reagent certificates and sample container certificates.

Complete hard copy QA/QC files are maintained for customer examination

for each analysis.

Professionalism

Dependability &

Accountability

to the Client

ALWAYS.

We continually maintain

and practice these

philosophies.