It’s baaaacccckkkk……..After being temporarily held in abeyance for additional vetting and study, the State Water Resources Control Board (SWRCB) is ready to re-issue their 10 ug/L Maximum Contaminant Level (MCL) for hexavalent chromium (Cr(VI)). This time, a required laboratory detection level of 0.05 ug/L is coming along with it!
The State Water Resources Control Board (SWRCB)
