General and National

USDA Permit to Receive Soil
Mine Safety and Health Administration (MSHA) -Contractor ID No. B0548


Arkansas Department of Environmental Quality (ADEQ 2018-2019.pdf)


Louisiana DEQ LELAP 02008 Certificate and Scope of Accreditation (LDEQ_2018-2019.pdf)
Louisiana DH Drinking Water Certificate and Scope (LDH2019.pdf)


Oklahoma DEQ Lab Certificate and Drinking Water, Waste Water and Solid Waste Certificate and Scope (ODEQ_Cert_Scope_2018-2019.pdf)

Oklahoma Field Office (ODEQ_Field_2018-2019.pdf)


TCEQ-NELAP and Scope of Accreditation (TCEQ_Cert_Scope_2019-2020.pdf)
Texas Department of Health Certification as Lead Risk Assessors; 2080907, 2070937, 2070612.
TCEQ Approval (TX219 Commercial Lab Approval 2018 P2.pdf)

EPA Approvals

USEPA UCMR Approved Perchlorate Laboratory
EPA Approval for Determination of Inorganic Anions by IC under EPA Method 300.0
EPA Approval for Wastewater Analysis using ICP-MS under EPA Method 200.8
Texas Commission on Environmental Quality Approval for TOC

Proficiency Testing Results

2016 2015

Recognition and Awards

ACIL Seal of Excellence 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
ACIL Top Ten in Customer Satisfaction (ACIL Award Certificate 2018.pdf)