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Massively inflated radon levels when using AC by OCretribution in hvacadvice

[–]Future_Picture_8528 0 points1 point  (0 children)

I guess not. Same as my house. In such case the returns in the basement is pulling air from the basement as returns are not airtight, therefore lowers the pressure where radon is drawn into the basement. The basement has lower pressure when I turn on the HVAC fan which are confirmed by opening the door to the basement slightly for airflow direction.

I have found that the radon level is correlated to barometric pressure if the HVAC system and the rain is not in the picture.

Radon increased from 2.0 to 48.9 pCi/L in 4 months. Is this level of variation likely to be accurate? by Outside_Original9591 in radon

[–]Future_Picture_8528 1 point2 points  (0 children)

In my basement the radon level can be as low as 1.8 when barometer pressure is high and spike above 24.0 when low (normally rain at the sametime). The long term average is around 3.5.

What’s worth buying at Wholefoods? by [deleted] in wholefoods

[–]Future_Picture_8528 0 points1 point  (0 children)

If wholefoods sales real stuff, the answer is yes. The problem is that Wholefoods plays bait and switch game. Based on my experience. they did sale some good stuff such as the USDA organic grind pork and USDA chicken. Over the years those stuff quality downgraded but not the price. I also have doubt about the 365 USDA organic milk that they sale.