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East Bay MUD - 6 - 10 March 1995 <br /> Memo #2 - <br /> TEM FRAME <br /> A. The "life-span" of the enzymes upon injection is two weeks. <br /> B. The duration of the remediation will be approximately two to four weeks, including <br /> obihtion:'and demobilization time. <br /> Wall active remediation(ezrncctwn/mrxiig mvyecdwO occur fir only two weeks? <br /> WM the enzymes be added at the begirnmg of the".two weeks, then chruhted usog <br /> eh(�u�cdon/rWh jectian or will the enzymes be added periodicaUy dumCho t the two-week <br /> �a:� <br /> Is two weels long enough to erm a dispersd of the fi#ected m"rid dnoaghout the <br /> cor>hcnr bKod area? <br /> C. During start-up, 650 gallons of ground water will be extracted and collected in a mixing tank. <br /> D. This volume will be maintained in order to provide sufficient retention time for the enzyme <br /> mixture to adequately degrade petroleum hydrocarbons. <br /> E. The actual rate of extraction and volume removed will be monitored and adjusted to ensure <br /> sufficient capture zone. <br /> - Hvw wall the monihN rg and adjustment be conducted? <br /> - Wi?l ekwa dons and depdt to water meamm,, era's be collected from wW of the other wells <br /> to provide v:firsr` on the gradient and movement of the h ected materid? <br /> F. The system will be operated 12 hours/day and will operate at night. <br /> Why wiU die system operte only 12 hotax/day? <br />