Certifications


California Department of Public Health (CDPH)
Drinking water, wastewater, and hazardous waste
CDPH Home
ELAP #1237
United States Environmental Protection Agency (EPA)
ICR Laboratory Approval
Information Collection Rule (ICRCA018)
AHERA Certification
www.epa.gov
cert-epa.pdf

Field Services

Truesdail's Field Services Department provide automatic sample scheduling and pre-notification. Sample collection by experienced, well-trained personnel ensures sample integrity, representative samples, and valid results for compliance monitoring.

Our field personnel are fully trained and have the experience to deal with unexpected situations as well as the routine. Safety is always our number one concern, and our field personnel are trained for confined entry and Level C personnel protection.


Water Sample Collection

  • Monitoring wells
  • Domestic systems
  • Chlorine residuals
  • Radiochemistry
  • Giardia and cryptosporidia
  • Pipeline construction or repairing
  • Reservoir monitoring (multi-depth)
  • Distribution systems

Regulatory Requirements for Potable Water

  • California Regional Water Quality Control Board (RWQCB)
  • California Department of Health Services Public Water Supply Branch
  • EPA Safe Drinking Water Act
  • Disinfectant By-Products (DBP)
  • Information Collection Rule
  • Surface Water Treatment Rule (SWTR)
  • Unregulated Contaminant Monitoring Rule (UCMR)

Analytical Capabilities

Microbiology and Microscopy

  • Presence/absence or MPN
  • Heterotrophic plate count
  • Algae counts, Enterococci
  • Total and fecal Coliform

Water Chemistry

  • Evaluation of water purification systems
  • Organic and inorganic chemistry
  • EPA methods 500 and 600 series
  • Radiochemistry, ICR analyses, UCMR analyses