Pyxis Laboratories performs field sampling and sample pickup on scheduled routes. Route locations include:
• Mt. Hood region
• Columbia County - Highway 30
• Tillamook County
• Multnomah County
• North Marion County
• Clackamas County
Please call the laboratory for details at 503-254-1794. The laboratory works in cooperation with the drinking water departments of Oregon and Washington maintaining compliance of public water systems.

Drinking Water

Organic Chemistry

  • Volatile Organic Chemicals (VOC)
  • Synthetic Organic Chemicals (SOC)
  • Disinfection By-products (TTHM/HAA5)

Inorganic Chemistry

  • Inorganic Chemicals (IOC) – Oregon & Washington compliance
  • Alkalinity: SM 2320-B
  • Arsenic: EPA 200.8
  • Asbestos: EPA 100.1
  • Conductivity: SM 2510-B
  • Fluoride: EPA 300.0
  • Hardness: SM 2340 B
  • Lead/Copper: EPA 200.8
  • Minerals: EPA 200.7
  • Nitrate: EPA 300.0
  • Nitrite: EPA 300.0
  • pH - Aqueous: SM 4500-H-B
  • Total & Residual Chlorine: SM 4500-Cl-G
  • Total Cyanide: SM 4500 CN-E
  • Total Dissolved Solids: SM 2540-C
  • Total Mercury: EPA 245.1 / EPA 200.8
  • Total Organic Carbon: Aqueous SM 5310C
  • Trace Elements: EPA 200.8
  • Turbidity: SM 2130-B

Microbiology / Microscopy

  • Total Coliform: Presence / Absence: SM 9223-B
  • Total Coliform / E. coli Count: SM 9223-B Qty
  • Standard Plate Count: SM 9215-B
  • Sulfur-Reducing Bacteria: SM 9240-C
  • Standard Microscopic Examination
  • Iron Bacteria: SM 9240-B