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Going the Extra Mile: Efficiency
and Expertise
PES was founded in May 1988 in response to a perceived need by engineering firms for
technical support in on-site data collection and interpretation. Since then, PES
professionals have earned a reputation for efficiency and dependability
in 26 different states. Many
environmental consulting firms now rely on PES for their field sampling and field
analytical support.
The PES reputation was built on the competence of our personnel - competence that comes
from years of professional experience. From supervising quality control functions to
managing whole projects, from authoring technical papers to participating in EPA
collaborative-method validation studies, PES scientists have hands-on experience in
numerous aspects of environmental services. Areas of staff expertise include
devising site-specific sampling and analytical plans, writing analytical specifications
under the U.S. EPA Contract Laboratory Program, and providing expert witness services for
litigation cases that involve the interpretation of analytical data.
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