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Lodi irp • Page 1 of 3 Mike Infurna [EH] From: Mike Sgourakis [msgourakis@apexenvirotech.com] Sent: Tuesday, April 11, 2006 1:49 PM To: Mike Infuma [EH] Subject: RE: Lodi irp Yes, we are sampling water directly from the well pre and post pump. We will continue to do so. Next Tuesdays extraction will be done this week over a one day period. 10 gpm or 600 gp hour for nine hours verses six for the vacuum truck. We will sample pre and post. Then the vac driver will off haul next Tuesday. This way we avoid paying for the driver while on site since the aquifer is the limiting factor while continuing the 5,000 gallons per week of mass removal. Thanks From: Mike Infurna [EH] [mailto:MInfurna@sjcehd.com] Sent: Tuesday, April 11, 2006 1:49 PM To: Mike Sgourakis Subject: RE: Lodi irp I'm a little confused here. Next Tuesday's extraction will be done on what day? your pumps extract over 'how long of a period'? Stored how long? Sampled when and how long After it's been extracted? are you sampling the well before you pump? and again after 5K out? -----Original Message----- From: Mike Sgourakis [mailto:msgourakis@apexenvirotech.com] Sent: Tuesday, April 11, 2006 1:29 PM To: Mike Infurna [EH] Subject: RE: Lodi irp will do Mike. Thanks Every Tuesday morning a vacuum truck will haul 5,000 gallons of water off site. The first two events were conducted using stingers and pulling water directly from the well(s). The future extractions will be conducted differently. We will use our pumps and store 5,000 gallons on site in a poly tank and it will be vacuumed out every Tuesday. This procedure will save time and money. It has taken 6 plus hours to vac from wells and at 110.00 per hour for a vac driver, its expensive. It will only take him 30 minutes to vac from the tank. From: Mike Infurna [EH] [mailto:MInfurna@sjcehd.com] Sent: Tuesday, April 11, 2006 1:29 PM To: Mike Sgourakis Subject: Lodi irp Mike, 4/19/2006