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Page 1 of 1 <br /> Mike Infurna [EH] <br /> From: Rex Smith [RS mith@horizonenvironmental.net] <br /> Sent: Wednesday, June 13, 2007 5:14 PM <br /> To: Mike Infurna [EH) <br /> Subject: RE: Quik Stop#39 <br /> Mike, your points are noted. Horizon will proceed to take care of the well box/grout items, probably later this <br /> month. No need for a letter. <br /> Did you mean 90 days (next sampling event)? Clamping the pump tubing should remedy the water backflow <br /> problem; Horizon will institute that procedure. Will let techs know to have sufficient ice for proper sample storage. <br /> Rex <br /> From: Mike Infurna [EH] [mailto:MInfurna@sjcehd.com] <br /> Sent: Wednesday, June 13, 2007 3:36 PM <br /> To: Rex Smith <br /> Subject: Quik Stop #39 <br /> Rex, <br /> I finally met up with your tech at this site. Warm day for the boy. He looked tired. <br /> I noticed some things I would like you to take care of at'our' level. But after reading them if you want, I'll send off <br /> an official letter to Quik Stop and direct them to have them done within 30-days/by next sampling event. <br /> 1- I noticed three well box lids that can not be bolted down. Joe said you/? had plans to replace/fix these?OK. I'll <br /> be at the next quarterly sampling event to verify the corrections. <br /> 2-We require at least an 80% recharge of the DTW in purged monitoring wells. I noticed that after the total purge <br /> volume has been extracted, your tech disconnects the power to the submergeble pump at the truck battery with <br /> the pump remaining in the well. I also noticed that all the water in the tubing laying on the truck bed drains BACK <br /> INTO the well. I don't know the volume of this return water but I don't like to see it go back in. I advised Joe to <br /> either, (A)-pull the pump and tubing VERY quickly or(B)-and better, clamp off the tubing so NO water returns <br /> back into the well casing so an accurate DTW can be taken to verify the minimum 80% recharge. <br /> 3- It's nearly 100 degrees outside. Please make sure that the techs take this into consideration and bring MORE <br /> sample temperature insurance, Le: more ice. <br /> 4- MW-7 grout inside the traffic box is down nearly 3'bgs. THis should have been corrected back in June 06 at <br /> the first sampling event. MW-7 needs to be topped off so that the hardened grout is INSIDE the traffic box, ideally <br /> within the box's lower half. THis well also has a broken rim and the lid cannot be bolted down. I'll allow this top off <br /> to occur during box replacement activities. <br /> 5-Call me for an appointment for the THIRD QUARTER sampling event. Time and date please. I'll be inspecting <br /> every well box. Each must have a securing mechanism for the lid to the box, a tight water proof locking well <br /> casing cap, and the grout is to be inside the lower half of the traffic box and the casing top in the upper half of the <br /> box. Evidence of water entering the box will require either box repositioning (raising)or a watertight seal <br /> installation. <br /> questions? email or call me on my office phone at (209)468-3454 <br /> 6/14/2007 <br />