Standard Testing Services

Chemical Determinants

  • Apparent colour
  • Alkalinity
  • Ammonia nitrogen
  • Dissolved oxygen (DO) *
  • Dissolved solids
  • Fluorides
  • Conductivity
  • Hardness
  • Free chlorine
  • Hexavalent chromium *
  • Mixed liquor suspended solids *
  • Residual chlorine
  • pH
  • Ryznar stability index (RSI) *
  • Various metals (incl. heavy metals)
  • Settleable solids *
  • Sludge volume index (SVI)
  • Surfactants
  • Suspended solids
  • Total solids *
  • Chlorides
  • Turbidity
  • Biological oxygen demand (BOD) *
  • Nitrate and nitrite nitrogen
  • Chemical oxygen demand (COD)
  • Oil and grease
  • Orthophosphates
  • Phenols
  • Total Kjeldahl nitrogen (TKN)
  • Sulphates
  • Total phosphorous
  • Sulphides *
  • Silica *

Microbiological Determinants

  • Heterotrophic plate count (HPC)
  • Total coliforms (TC)
  • Sulphate reducing bacteria (SRB) *
  • Faecal coliforms (FC)
  • Escherichia coli (E. coli)
  • Yeast and moulds *
  • Faecal Streptococcus species *
  • Pseudomonas aeruginosa *

Also Offered

  • Detection and enumeration of Helminth ova *
  • Microscopic analyses *
  • Sludge classification according to DWS guidelines *

NOTICE:

Analyses marked * not SANAS accredited at the time of print.

Specialised Testing Services

Organic Determinants using Gas Chromatography Mass Spectrometry (GC-MS)

  • Volatile organic compounds (VOCs), incl. trihalomethanes (THMs) and BTEXN components
  • Semi-volatile organic compounds (SVOCs), incl. PAHs and phenols
  • Polychlorinated biphenyls (PCBs) *
  • Organochlorine (OCPs) and organophosphorous pesticides (OPPs) *
  • Total petroleum hydrocarbons (TPHs), incl. gasoline and diesel range organics (GROs and DROs)
  • Organic fingerprinting (GC-MS scans) *

Waterborne Pathogens using Real-Time PCR (Molecular Biology)

  • Detection of Salmonella enterica
  • Detection of Shigella species and/or entero-invasive E. coli (EIEC)
  • Detection of toxigenic Vibrio cholerae

NOTICE:

Analyses marked * not SANAS accredited at the time of print.