Environmental Analysis

BSK is accredited by The NELAC Institute (TNI) to perform environmental analyses in California, Washington, Oregon, Nevada and Hawaii. 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 California ELAP accredited in all 6 fields of testing for drinking water, all 5 fields of testing for non-potable water and all 8 fields of testing for solids and hazardous waste. In addition, BSK has been certified by the U.S. Environmental Protection Agency (USEPA) to perform all analytical methods for all rounds of the Unregulated Contaminant Monitoring Rule (UCMR) Program.

Learn About PFAS

Organics

Volatile Organic Compounds (VOCs)

  • Regulated VOCs or Extended List (524.2, 524.4)
  • Trihalomethanes (524.2, 524.4)
  • 1,2,3-TCP (DWRL123TCP)

Synthetic Organic Compounds (SOCs)

  • EDB & DBCP (EPA 504.1)
  • Organohalide Pesticides and PCBs (EPA 505)
  • Chlorinated Acids (EPA 515.4)
  • Regulated Semivolatiles or Extended List (EPA 525.3)
  • N-methylcarbamate Pesticides (EPA 531.1)
  • PFAS (EPA 533 or EPA 537.1)
  • Glyphosate (EPA 547)
  • Endothall (EPA 548.1)
  • Diquat and Paraquat (EPA 549.2)
  • Haloacetic Acids (EPA 552.3)
  • NDMA and other Nitrosamines (EPA 521 – sub)
  • Dioxins (EPA 1613B – sub)

Inorganics

  • Anions (EPA 300.0 or EPA 300.1)
  • Bromate (EPA 317.0)
  • Perchlorate (EPA 314.0)
  • Ortho Phosphate as P (SM 4500-P-E)
  • Chlorine, Total Residual or Free (SM 4500-Cl F, G)
  • Cyanide, Total, Amenable or Weak Acid Dissociable (SM 4500-CN E,G,I)
  • TOC/DOC (SM 5310 C)Surfactants (SM 5540 C)
  • Physical Properties (Color, Odor, Turbidity, Alkalinity, Hardness, Conductivity, pH, UV254, Temperature)
  • Dissolved (Filterable) Solids – TDS (SM 2540 C)
  • Trace Metals, Uranium (EPA 200.7 or EPA 200.8)
  • Cations (EPA 200.7)
  • Hexavalent Chromium (EPA 218.6 or EPA 218.7)
  • Asbestos (EPA 100.2 – sub)
Microbiology

  • Total Coliform and E. coli P/A (SM 9223 B Colilert 18)
  • Total Coliform and E. Coli Enumeration (SM 9221 B,C,F or 9223 B Colilert 18)
  • Fecal Coliform Enumeration (SM 9221 B,E)
  • Heterotrophic Bacteria – HPC (SM 9215 B or SimPlate)
  • Water Quality Ratio
  • Water Suitability
  • Inhibitory Residue

Radiochemistry – Subcontracted

  • Alpha Emitters
  • Gross Alpha
  • Gross Beta
  • Radon
  • Radium 226 & 228
  • Strontium-90
  • Tritium

Packages

  • General Minerals
  • Inorganic Chemicals
  • General Physical (Color, Odor, Turbidity)
  • Aggressive Index by Calculation
  • Title 21 Bottled Water Analysis
  • Title 22 Drinking Water Analysis
  • Escrow Water Potability Package
  • General Home Water Quality
  • Standard Minerals Package
  • Mass Balance Analysis Package
  • Langelier Index
  • Ag Suitability Analysis
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Maximum Contaminant Levels (MCLs)

Unregulated Contaminant

California State Water Resources Control Board

Domestic Private Well Water Testing Recommendations

EPA Private Well Water Testing Recommendation

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