Proficiency Testing Results

Billings Certifications

• Alaska Certification 2016-2017
• Colorado Certification 2017-2018
• Florida NELAC Certification 2017 – 2018
• Idaho Certificate 2017
• Louisiana Certifications 2017 – 2018
• Montana Certification 2017-2018
• Nebraska Certifications 2017-2018
• Nevada Certifications 2016-2017
• North Dakota Certifications 2017 – 2018
• South Dakota Certifications 2017
• Texas Certification 2017-2018
• USEPA Region VIII Certification 2016
• Radon Certification 2016-2018
• USDA Soil Permit 2017-2020

College Station Certifications

• Texas NELAC Accrediation 2016-2017
• TxDSHS RAM License L06171-06
• USDA Soil Permit – Over 3 Lbs – 2016-2019
• Railroad Commission of Texas Qualified Labortatory

Helena Certifications

• Montana Drinking Water Certification 2020
• USEPA Region VIII Drinking Water Certification 2016
• Helena USDA Soil Permit

Casper Certifications

• Colorado Certifications 2017-2018
• Florida Certifications and Scope 2017-2018
• Idaho Combined Certifications 2017-2018
• Louisiana Certifications and Scope 2017-2018
• Montana Certification 2017-2018
• Nebraska Certifications 2017-2018
• Nevada Certifications and Scope 2017-2018
• New Mexico Certifications and Scope 2017-2018
• North Dakota Certifications and Scope 2017-2018
• Oregon Certification 2017-2018
• South Dakota Chemistry & Radiochemistry Certification Extension 2017-2018
• TX RadChem & Chemistry Certification 2017-2018
• USDA Soil Importation Permit 2017-2019
• USEPA Region VIII Certification 2017-2018
• USNRC License Amendment No. 14
• USNRC License Amendment No. 15
• Utah Certifications 2017-2018
• Washington Certifications 2017-2018

Gillette Certifications

• •USEPA Region VIII Drinking Water Certification 2015-2018

Rapid City Certifications

• South Dakota Drinking Water Certification 2012-2014
• South Dakota Drinking Water Program Total Coliform EColi
• USEPA Region VIII 2012-2013
• South Dakota State Microbiology 2012-2015

• Drinking Water PT Results
  WS-284 Results, WS-292 Results, WS-296 Results
  
• Waste Water, DMRQA, and NPDES PT Results
  WP-300 DMRQA Results, WP-306 Results, WP-312 DMRQA Results
  
• Soil and Underground Storage Tank PT Results
  Soil-109 Results, Soil-111 Results, Soil-113 Results
  
• Agriculture and Mining Overburden PT Results
  2020 NAPT Soil Program 3rd Quarter, 2021 NAPT Soil Program 1st Quarter
  

LPTP16-S2: 2016 Solid & Chemical Materials Study Results

WP16-1: 2016 1st Quarter Non-Potable Water Study

WP16-3B: 2016 3rd Quarter Non-Potable Water Study

• Drinking Water PT Results
  WS18-4 Results, WS19-2 Results, WS19-4 Results
• Waste Water, DMRQA, and NPDES PT Results
  WP18-3B Results, WP19-1 DMRQA Results, WP19-3B Results
• Agriculture and Mining Overburden PT Results
  2018 NAPT Soil Program 3rd Quarter, 2019 NAPT Soil Program 1st Quarter
• UST Program
  LPTP18-S3 Results, LPTP19-S1 Results, LPTP19-S3 Results

  
  

• • Drinking Water PT Results
    WS-288 Results, WS-294 Results, WS-300 Results
  • Waste Water, DMRQA, and NPDES PT Results
    WP-306 Results, WP-312 Results, WP-318 Results
  • Soil and Underground Storage Tanks PT Results
    SOIL-111 Results, SOIL-113 Results, SOIL-115 Results 
  • Radiochemistry PT Results
    RAD MAPEP Series 42 Results, RAD-120 Results, RAD-122 Results, RAD MAPEP Series 43 Results, RAD-124 Results, RAD MAPEP Series 44 Results,

• Drinking Water PT Results
  WS-296 Results, WS-302 Results, WS-308 Results
• Waste Water, DMRQA, and NPDES PT Results
  WP-312 Results, WP-318 Results, WP-324 Results
• Soil and Underground Storage Tanks PT Results
  R25462 Results, R29061 Results, SOIL-113 Results, SOIL-115 Results, , SOIL-117 ResultsR31709 Results

EPA Method 537.1

Isotope Dilution LC-MS/MS