Tri State Hydraulics



Industrial Hygiene

Since our initial organization in 1986, the Clark Testing Industrial Hygiene Laboratory has supported testing and quality assurance programs for both light and heavy industry, including aluminum and steel production and fabrication, petroleum refining, power generation, and consulting firms.

Since 1986 Clark Laboratories, LLC have been accredited by AIHA-LAP, LLC (American Industrial Hygiene Association Laboratory Accreditation Programs), laboratory ID #100355, for metal, silica, organics, and anion analyses. In 2001, in our former incarnation as UEC Labs, we achieved accreditation to the ISO/IEC 17025:2005 international standard, making Clark Laboratories, LLC one of the first labs in the nation to receive this accreditation. Our AIHA-LAP, LLC accredited scope of testing includes:

  • Hexavalent Chromium, by IC

  • Organic Solvents, by GC

  • Crystalline Silica (alpha-Quartz), by XRD   

  • Metals, by ICP

  • Beryllium, by ICP and GFAA

  • Gravimetric, by Balance

  • PNAs, by UHPLC

  • OSHA ID-215 v.2

  • NIOSH 1500, NIOSH 1501, NIOSH 1550, and NIOSH 4000

  • NIOSH 7500

  • NIOSH 7301 mod.

  • NIOSH 7301 mod. and NIOSH 7102

  • NIOSH 0500 and NIOSH 0600

  • NIOSH 5506 and OSHA 58 mod.


FLUID TESTING CLARK TESTING Laboratory Testing Industrial Hygiene