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Analytical Services

BSK is your trusted source for a broad spectrum of organic and inorganic analyses for drinking water, wastewater, soils, sludges, hazardous materials, and biomass fuels. We assist our communities to protect the environment by helping those in charge of our natural resources ensure they meet the strict standards set by regulators. Our laboratory analytical services division is the preferred provider for over 950 clients including large and small municipalities, private water systems, wastewater treatment facilities, industrial dischargers, agriculture, bottled water providers, consulting engineers, biomass energy providers and private homeowners. We routinely analyze over 350 individual parameters.

BSK is accredited by The NELAC Institute (TNI) to perform environmental analyses. Our TNI accreditation program (based on ISO 17025) relies on our rigorous quality system that includes more stringent and comprehensive standards than non-TNI laboratories. BSK is accredited in all 6 fields of testing for drinking water, all 5 fields of testing for waste water and all 6 fields of testing for hazardous waste for Inorganics, Organics, Radiochemistry, Microbiology and Disinfection By-Products. In addition, BSK was recently certified by the U.S. Environmental Protection Agency (USEPA) to perform all analytical methods for the upcoming round of the Unregulated Contaminant Monitoring Rule (UCMR5).

PFAS Testing

Drinking Water

  • Unregulated Contaminant Monitoring Rule Compounds (UCMR5)
  • Per and Polyfluoroalkyl Substances (PFAS)
  • 1,2,3 – Trichloropropane
  • Volatile Organic Compounds
  • Semi -Volatile Organic Compounds (SOCs)
  • General Minerals
  • Inorganic Chemicals
  • General Physical (Color, Odor, Turbidity)
  • Pesticides/Herbicides
  • Disinfection By-Products
  • Haloacetic Acids
  • Anion and Cation Balance
  • Microbiological Testing
  • Hexavalent Chromium
  • Lead and Copper and other Trace Metals
  • Aldehydes
  • TOC/DOC
  • Perchlorate by IC
  • Primary and Secondary Drinking Water Standards
  • Trihalomethanes
  • Carbamates
  • Endothall
  • Diquat/Paraquat
  • Dioxins (sub)
  • 1,4 – Dioxane (sub)
  • Asbestos (sub)
  • NDMA and other Nitrosamines (sub)
  • Fumigants
  • Aggressive Index by Calculation
  • Title 21 Bottled Water Analysis Package
  • Title 22 Drinking Water Analysis Package
  • Escrow Water Potability Package
  • Standard Minerals Package
  • Mass Balance Analysis Package
  • Ag Suitability Analysis Package
  • Carbon Black Analysis Package

Biomass Fuels

  • BTU Content by Bomb Calorimetry/IC
  • Chlorine by Bomb Calorimetry/IC
  • Nitrogen by Bomb Calorimetry/IC
  • Sulfur by Bomb Calorimetry/IC
  • Percent Moisture/Solids
  • Percent Ash
  • pH (Wood Ash)
  • Biomass Fuel Testing Packages

Radiochemistry

  • Alpha Emitters
  • Gross Alpha by Co-precipitation
  • Gross Beta
  • Uranium
  • Radon
  • Radium 226 & 228

Wastewater/Soils/Sludges

  • Priority Pollutants
  • Fuel Hydrocarbons
  • BTEX/Oxygenates
  • Anions
  • Metals
  • Explosives
  • Volatile Organics
  • Semi-Volatile Organics
  • Chemicals of Emerging Concern (CECs)
  • Inorganics
  • Herbicides
  • Pesticides
  • Carbamate Pesticides
  • OP Pesticides
  • Microbiology
  • Wet Chemistry
  • PCB’s
  • Pyrethroids
  • Stormwater Analysis Packages
  • Bioassay (sub)

Microbiology

  • Total and Fecal Coliform
  • Total Coliform and E. Coli by Quantitray (enumeration)
  • Total Coliform and E. Coli in potable water (presence/absence) by Colilert 18
  • Heterotrophic Plate Count (HPC) for drinking waters and bottled waters
  • Heterotrophic Plate Count by SimPlate
  • Fecal Coliform Dry Weight Class A/Class B
  • Inhibitory Residue Analysis
  • Water Quality Ratio Package
  • Water Suitability (Microbiology Laboratory Water Quality)

Hazardous Materials

  • Toxicity Leaching Procedures (TCLP, STLC)
  • Ignitability
  • Corrosivity
  • Reactivity

Field Services

  • 24-Hour Composite Sampling for Wastewaters
  • Grab Sampling
  • Soil Sampling
  • Drinking Water Sampling
  • Same Day Sample Courier Services
  • On-Site Field Analyses including:
    • Dissolved Oxygen
    • Electrical Conductivity
    • pH
    • Flow Readings

Training

  • Drinking Water Sampling

Related Projects

UCMR5 Testing

May 10, 2024
Read more
https://www.bskassociates.com/wp-content/uploads/2024/05/AdobeStock_209704969-scaled.jpeg 1707 2560 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2024-05-10 05:34:112024-05-10 19:42:12UCMR5 Testing
EPA Will Take New Action Against PFAS

EPA Will Take New Action Against PFAS

April 17, 2024
Read more
https://www.bskassociates.com/wp-content/uploads/2024/04/ksjdc.jpg 16667 16667 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2024-04-17 16:58:342024-04-17 16:58:34EPA Will Take New Action Against PFAS
Lead and Copper Rule Explained

Lead and Copper Rule Explained

July 17, 2023
Read more
https://www.bskassociates.com/wp-content/uploads/2023/07/lead-and-copper-testing-scaled.jpeg 1707 2560 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2023-07-17 22:04:482023-07-17 22:04:48Lead and Copper Rule Explained

EPAs new plan to combat PFAS

June 16, 2022
Read more
https://www.bskassociates.com/wp-content/uploads/2022/06/pfas.png 1200 1200 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2022-06-16 21:49:092022-06-16 21:49:09EPAs new plan to combat PFAS

Construction of New BSK Lab

March 30, 2022
Read more
https://www.bskassociates.com/wp-content/uploads/2022/03/New-Lab-scaled.jpg 1920 2560 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2022-03-30 14:31:042022-03-30 15:18:24Construction of New BSK Lab
BSK approved for UCMR5

BSK approved for UCMR5

January 27, 2022
Read more
https://www.bskassociates.com/wp-content/uploads/2022/01/ucmr5-scaled.jpeg 1257 2560 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2022-01-27 19:43:072022-02-28 03:06:32BSK approved for UCMR5

BSK APPROVED FOR UCMR5

May 26, 2021
Read more
https://www.bskassociates.com/wp-content/uploads/2022/04/LCSMSMS-for-PFAS.jpg 559 780 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2021-05-26 16:18:342022-04-19 16:03:50BSK APPROVED FOR UCMR5

BSK Associates Laboratory

February 4, 2021
Read more
https://www.bskassociates.com/wp-content/uploads/2020/01/Lab-10.jpg 640 426 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2021-02-04 16:40:162021-02-17 18:08:47BSK Associates Laboratory

BSK Provides Testing Support After Fire Devastation

December 3, 2020
Read more
https://www.bskassociates.com/wp-content/uploads/2020/11/fire-photo-courtesy-of-.png 499 749 Kimberly Stoll http://www.bskassociates.com/wp-content/uploads/2021/09/BSK-Logo-4-Web-300x136.png Kimberly Stoll2020-12-03 16:30:242020-12-03 16:30:53BSK Provides Testing Support After Fire Devastation
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  • Analytical Services
    • PFAS Testing
  • Environmental Services
  • Field Services
  • Geotechnical Services
  • Materials Testing and Special Inspection/CoMET Services
    • Superpave

Related Projects

  • UCMR5 TestingMay 10, 2024 - 5:34 am
  • EPA Will Take New Action Against PFASEPA Will Take New Action Against PFASApril 17, 2024 - 4:58 pm
  • Lead and Copper Rule ExplainedLead and Copper Rule ExplainedJuly 17, 2023 - 10:04 pm

Certifications

Bakersfield

  • State of California

Fresno

  • Foreign Soil Permit
  • State of California
  • State of Hawaii
  • State of Nevada
  • State of Oregon-NELAP
  • State of Washington
  • Unregulated Contaminant Monitoring Rule 5 (UCMR5)
  • LACSD

Sacramento

  • State of California

San Bernardino

  • State of California
  • State of Oregon-NELAP

Vancouver

  • State of Oregon-NELAP
  • State of Washington

Have Questions?

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Corporate Headquarters

691 N. Laverne Avenue, Suite 101
Fresno, CA 93727
Local: (559) 497-2880
Toll-Free: (800) 669-3201

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Individual Office Hours May Vary



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