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| last edited by BillSeitz on Aug 10, 2008 10:12 am |
Jan'2006: I've found signs of mold/mildew coming out from behind a Dot Com Kitchen cabinet mounted flush against the wall. FlickR:KitchenMoldDetail.
Two most likely sources:
the dishwasher is just to the other side of the cabinet. Early on, the housing was damaged and some water leaked out. The whole unit was replaced. You'd think that when the contractor put in the new unit things were dried out enough, but of course if there was already moisture collected back behind the cabinet that wouldn't have been taken care of.
there's a soffit running just in front of that cabinet, where there's a hidden tunnel holding the exhaust vent from the clothes dryer which is on the other side of the kitchen. Right at the edge of the cabinet that vent house makes a 90-deg turn, so maybe there's some leakage of warm air, or maybe warm air flowing through that section has some weird effect? But you'd think that would be more of an issue with cold tubing causing condensation, etc.
After my history of frustration with contractors, I'm not looking forward to having someone come and pretend they know what they're doing. Ugh, a Reputation Management problem.
[Phillip Fry] acts like an expert. But I'm wary about paying for a whole library of EBook-s about mold.
and [Jim Hobuss] slags Fry for selling a [Siamons Mold Control] product which doesn't work (or at least its makers didn't prove its effectiveness to the EPA).
Hobuss has a quiz to give inspectors/contractors.
This page says that only [Stachybotrys Chartarum] is nasty enough to potentially cause health problems. And that an amateur can't distinguish it from other black mold.
Cleaning materials:
[Phillip Fry] says that [Chlorine Bleach] isn't sufficient, and sells a home recipe
This page recommends [Hydrogen Peroxide] for getting rid of mold, but that page's focus seems a bit on "health-friendly" methods, which often sacrifices effectiveness.
the EPA's guide just recommends detergents, and says that bleach is usually overkill
but other pages just suggest common household detergents, so maybe it's not that big an issue (in terms of getting rid of what you can get to).
I guess I'll print this EPA guide (and this one) to molds...
the latter focuses on (a) wet-vac a wet area; (b) clean (water/detergent); (c) dry; (d) [HEPA]-vacuum to suck up any dry/dead spores
What will probably have to get done:
remove cabinet from wall
detach and pull out dishwasher
establish source of mold: how? who will really know?
eliminate source of mold, if not already gone
clean everything, dry everything, vacuum everything
put things back
Who could do it:
building staff? unlikely
someone recommended by building staff? a bit dubious
original Dot Com Kitchen contractor? maybe
someone recommended online
?
Or is it really lint from a Clothes Dryer Vent issue?
Outcome: we decided it probably wasn't mold, and did nothing.
Mar'2007 - it seems worse, want greater certainty.
Ordered testing kit from [Ims Laboratory]. Had also seen this page agreeing that tape-test is better than swab.
Apr1: got test sample kit earlier this week. Just took sample and 2 fresh photos (FlickR:KitchenMoldDetail). Mailing out.
Apr10: got results
have Cladosporium, which is "generally regarded to be allergenic". wp
do not have Stachybotrys
were other 3 toxigenic molds not tested for? Yes, they just don't bother mentioning the others if they're negative
remediation document from NYC.
is it worth doing much without first eliminating the cause? What is the cause? The [Dish Washer]? The Laundry Machine? (Dot Com Kitchen)
I suppose if I remove the mounted cabinet next to where we found the mold (the [Dish Washer] is right next to the cabinet), then the pattern back there might give the answer (if mostly/only high, then it's the Laundry Machine - dryer venting through the soffit) (it seems mostly high beside the cabinet, but since hot air rises, it's hard to be sure that's a fair measure).
Apr18
NYC has no list of qualified inspectors/contractors
[Home Owners Insurance] apparently won't cover mold, unless it was caused by a covered event, like a window blowing out.
Apr23
emailed the family allergist to try and get some real medical context
the supplier of the mold test pointed me at inspector-directory at [NAMP] https://www.moldpro.org/directory/display/index.html?state=NY
found this list and found a couple folks with [CIAQM] certs, and called one.
May-August
inspector came, took samples, sent to lab
confirmed Cladosporium
believes area of mold is pretty limited to that 1 cabinet
recommended a few remediation contractors
had contractor come do cleanup
had to handle back of cabinet, plus entire corner ceiling area (inside drop-ceiling)
want to switch to ventless Miele Laundry Machine-s but they're 2" taller than current units, so need to change cabinet above the units
considering possibility of putting exhaust fan into space above kitchen window now used to vent the soffitt. Because concerned about heat exhaust from dryer
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