Monthly Archives: July 2013

Constituents of Emerging Concern (CEC)

The sizeable human presence in Southern California has brought numerous and diverse pollutant sources.  Over time, rural and urban development throughout the region has resulted in extensive land being used for industry, commercial, residential, military and agriculture.  Land use and … Continue reading

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LAB NOTES: Babcock Labs Purchase new ICS

Chromatography is a common laboratory technique used for a variety of applications in the analytical laboratory.Using a liquid or gas to carry a mixture through a column packed with a stationary phase, the chemist is able to separate different components … Continue reading

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PHG vs. MCL – Making sense of the proposed draft hexavalent chromium Maximum Contaminant Level

 By Allison Mackenzie and Alexandra Chrystal Within the next few days the California Department of Public Health (CDPH) will release the draft hexavalent chromium (chromium 6 or Cr+6) Maximum Contaminant Level (MCL). The MCL decision is of interest because the … Continue reading

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