Frequent Questions

Is collision/reaction cell technology allowable for regulated drinking water? Would collision/reaction cell technology be permissible for non-regulated drinking water? If this technology is not allowed, will it be allowable in the future?

No, collision/reaction cell technology cannot be used for the analysis of drinking water compliance samples. It has been asked whether collision/reaction cell technology can be used for non-regulated drinking water analyses. Method 200.8 is being used to collect data for unregulated metals under UCMR3 (cobalt, strontium, molybdenum, total chromium, and vanadium). Just as discussed above for the regulated metals, collision/reaction cell technology cannot be used for collection of occurrence data under this rule.

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