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Angelica Sandoval Marin [LH] <br /> From: Angelica Sandoval Marin [EH] <br /> Sent: Monday, April 07, 2014 11:05 AM <br /> To: 'Bill Cook' <br /> Subject: RE: 1810 E. Hazelton <br /> Although we have not completed reviewing the report submitted by Condor,we concur with your recommendation of <br /> adding naphthalene to the sampling schedule. According to the state,this site is an active station,therefore a soil gas <br /> investigation work plan is not necessary. If you believe a work plan should be submitted, please submit your reasoning <br /> and EHD will review it. <br /> Thanks <br /> Angelica <br /> From: Bill Cook [mailto:bcook(o)condorearth.com] <br /> Sent: Monday, April 07, 2014 10:10 AM <br /> To: Angelica Sandoval Marin [EH] <br /> Subject: RE: 1810 E. Hazelton <br /> Thank you Angelica, I will discuss these items with the technician to reinforce that procedures should be followed. <br /> We recently sent the report to your office documenting the December sampling event. We recommended that <br /> naphthalene be added to the analyte list using 82608.Would you like to concur and implement this recommendation on <br /> this round of sampling, or wait until you and Nuel have completed your full review of the report? <br /> We also recommended that a soil vapor investigation work plan including a human health risk assessment be prepared <br /> and then implemented. <br /> From: Angelica Sandoval Marin [EH] [mailto.amarinCubsicehd com] <br /> Sent: Monday, April 07, 2014 9:56 AM <br /> To: Bill Cook <br /> Subject: RE: 1810 E. Hazelton <br /> Bill, <br /> I was out on the sampling event that took place on Friday April 4, 2014 at 1810 E. Hazelton Avenue and have a few items <br /> that I wanted to address: <br /> • The monitor wells MW1 and MW2 have screws that have been stripped away and MW4 has all the screws <br /> missing. Please resolve this issue. <br /> • During the sampling event, I noticed that tech did not measure DTW after purging and before sampling for MW1 <br /> and MW2. I advised the tech that this allows us to check for recharge in order to give a representative <br /> sample. I also gave a copy of the recommended groundwater sampling guidelines. <br /> • The EHD was not notified of the sampling event. Please allow a minimum of a week notice prior to sampling <br /> event. <br /> Thanks <br /> 1 <br />