Product category:
Materials Testing
News Release from: PS Analytical | Subject: Millennium Excalibur
Edited by the Manufacturingtalk Editorial
Team on 02 October 2003
Californians Meet New Public Health Goal
PS Analytical (PSA) is offering help to industry and regulators in California, following release of a draft Public Health Goal (PHG) for arsenic in drinking water.
PS Analytical (PSA) is offering help to industry and regulators in California, following release of a draft Public Health Goal (PHG) for arsenic in drinking water, by the California Environmental Protection Agency's Office of Environmental Health Hazard Assessment (OEHHA) (Ref 1)
This article was originally published on Manufacturingtalk on 27 Sep 2004 at 8.00am (UK)
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The draft PHG proposed 4 parts per trillion (ppt) as a level of arsenic in drinking water that would not be expected to pose a human health risk.
If this is accepted, all drinking water providers and regulators in California will have 4 ppt as their long-term objective for the reduction of arsenic in drinking water.
"We are very pleased about this proposed arsenic PHG for California, particularly because 4 ppt is well within the compass of our Millennium Excalibur system, which combines a vapor generation (VG) stage with atomic fluorescence spectrometry (AFS)," said PSA President Peter Stockwell.
He warned that other techniques, even those that are more expensive, such as inductively coupled plasma mass spectrometry (ICP-MS), will have difficulties in reaching the 4-ppt level.
The Millennium Excalibur can accurately and reliably determine arsenic in drinking water down to 2 ppt.
Such accurate, reliable measurements of arsenic in drinking water require attention to detailed chemistry.
If drinking-water providers and regulators want to determine the species of arsenic that may be the source of contamination, PSA can help them by linking its Millennium Excalibur system seamlessly with a high-performance liquid chromatography (HPLC) system.
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