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 2017
• 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
  Drinking Water 2018-2019
  
• Waste Water, DMRQA, and NPDES PT Results
  Waste Water, DMRQA Aquatic Toxicity and NPDES PT 2018-2019
  
• Soil and Underground Storage Tank PT Results
  Soil and UST 2018-2019
  
• Agriculture and Mining Overburden PT Results
  NAPT Agricultural Soil PT 2018-2019
  

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
  WS16-2 Study 2016,     WS16-2 Study 2016 Make-Up Results,

        WS16-4 Study 2016,     WS16-4 Study 2016 Make-Up Results

• Waste Water, DMRQA, and NPDES PT Results
  WP16-1 Study 2016,     WP16-3B Study 2016,     QT-0004045 Results DMRQA,

• Agriculture and Mining Overburden PT Results

2016 NAPT Soil Program 3rd Quarter

• UST Program

LPTP16-S1 Results                                LPTP16-S3 Results

• Drinking Water PT Results
  WS18-3 Results (Updated), WS19-1 Results
• Waste Water, DMRQA, and NPDES PT Results
  WP18-3B Results, WP19-1 Results
• Soil and Underground Storage Tanks PT Results
  LPTP19-S1 Results, LPTP18-S3 Results
• Radiochemistry PT Results
  RAD-114 Results, RAD-112 Results

2018 Water Supply Studies

2018 Water Pollution DMRQA Studies

2018 Gillette LPTP Study