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Secondary Effects of Treatment

measuring DOPRIMA routinely evaluates potential secondary effects of in situ remediation technologies.  The most common secondary effects of concern are oxidation of naturally occurring soil chromium to Cr(VI) during ISCO or mobilization of arsenic upon addition of a electron donor to stimulate anaerobic bioremediation.  The magnitude, duration and significance of secondary effects is site-specific.

If secondary effects are significant, PRIMA can conduct follow-up tests to assess whether the effects are transient.  For example, PRIMA frequently performs tests to determine whether Cr(VI) generated during ISCO will attenuate once the oxidant is consumed.  The answer is often, but not always, “yes”.