Healthier living thanks to Val!
With the great help from Val I installed an attic fan/ subslab suction system in a few evenings. Fortunately my 1988 house had a sump with drain tile loop and a good layer of gravel. With Val's guidance I selected an efficient fan and the rest of the system components.
I powered up the system last weekend and reset my digital meter (highly recommended!) after 24 hours. It had been running at 18-20 piC/L. I had to wait two whole days for the next reading but almost couldn't believe it when it popped up with a reading of 1.1! After a week the running average is down to 0.8! I highly recommend this site for it's FAST shipping, great prices and personal service that is rare on the internet. Thanks Val for your help!
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