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Follow this procedure when collecting a water sample for disinfection by-products (DBP) analysis for a NSW Health project.

Sample container

  • Use a 200 mL amber glass bottle containing ammonium chloride as preservative (100mg/L) with screw cap lined with a Teflon seal.
  • These bottles are available from the Forensic & Analytical Science Service (FASS). Email [email protected] to order.

Label

  • Use the yellow label supplied by the NSW Health Water Unit.
  • Using a waterproof pen, record the sample details on the label.
  • Ensure the outside surface of the container is dry before attaching the label to the sample container.
  • A sample submission form is not required for approved project samples.

Collection tips

  • Do not rinse the bottle prior to taking the sample.
  • Fill the bottle to the brim leaving no air gap. Do not allow the sample to overflow.
  • Seal the bottle with the lid containing the Teflon seal.

Transporting samples 

  • Pack the sam­ples into an insu­lat­ed con­tain­er with enough freez­er bricks to keep them cool (2–10oC) dur­ing transportation.
  • Attach a copy of the address label to the insu­lat­ed container.

Dis­patch the sam­ples to the Foren­sic and Ana­lyt­i­cal Sci­ence Ser­vice Lid­combe lab­o­ra­to­ries as soon as possible.

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