Guest guest Posted November 5, 2004 Report Share Posted November 5, 2004 Ms. Rosen, 2 percent hydrogen peroxide will not (I repeat - will not) kill mold. It will feed it really well and lead to further growth. Regards, Greg Weatherman aerobioLogical Solutions Inc. Arlington VA 22202 gw@... ******************************************** > I convinced the insurance co and mold remediator not to go the fungicide route. Yesterday, the mold remediator sanded down the wood (the treatment he had originally suggested but had been vetoed by the hygenist) and washed the wood down with peroxide. The hygenist came for the 4th round of tests (one pre-treatment and 3 after each peroxide washing). He approved my getting the plumber in to assess the situation (I want any old pipes that look problematic replaced now) and the contractor to come in to give an estimate for the repairs. I am hoping all goes well with this test so we can move on. > > I appreciate everyone's help on this list. > > Saralee Rosen > homerose@c... > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 5, 2004 Report Share Posted November 5, 2004 Greg: 2 percent hydrogen peroxide will not (I repeat - will not) kill mold. It will feed it really well and lead to further growth. Actually the mold count went down considerably after each cleaning with peroxide. Please give me your scientific source about peroxide feeding mold growth - I have heard just the opposite. I have major chemical sensitivities and cannot have someone use commercial products (i.e. s or whatever) in my house. What NATURAL UNSCENTED mold killer would you reccommend? Saralee Rosen homerose@... Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 5, 2004 Report Share Posted November 5, 2004 Ms. Rosen, I have never seen a 2% hydrogen peroxide product with an EPA registration for " fungicidal " efficacy. There is a database on the EPA's website with a link to CDPR to search for products by active ingredients. I have seen bleach or sodium hypochlorite fail with Chaetomium globousm. Bleach is a much stronger oxidizer than 2% hydrogen peroxide. I think the workers may have physically removed the mold rather than kill it. They are supposed to physically remove as much mold as possible. My issue is the 2% hydrogen peroxide does not work or you would see many companies selling it as a cheap disinfectant. I use a product that has a scent. I use it in a way where there is no odor after the occupants enter. I know all the chemically sensitive people will get irate but, you can cut wood with a power saw and produce formaldehyde. I think the organic chemical scent is not the issue but how do you manage the environment to mitigate the scent of the organic chemicals since many organic chemical scents come from natural sources. I have noticed chemically sensitive people are often times their own worst enemy in mold remediation efforts. Mold and bacteria will produce way more organic chemicals in the form of microbial volatile organic compounds or MVOCs than any organic fungicide used to aid in the physical removal of moldy building material. Chemicals (like disinfectants) will evaporate over time but MVOCs will come back like a ghost bumping in the night - over and over......into infinity. Regards, Greg Weatherman aerobioLogical Solutions Inc. Arlington VA 22202 gw@... ********************************* > Greg: > > > > > 2 percent hydrogen peroxide will not (I repeat - will not) kill > mold. It will feed it really well and lead to further growth. > > Actually the mold count went down considerably after each cleaning with peroxide. Please give me your scientific source about peroxide feeding mold growth - I have heard just the opposite. I have major chemical sensitivities and cannot have someone use commercial products (i.e. s or whatever) in my house. What NATURAL UNSCENTED mold killer would you reccommend? > > > > Saralee Rosen > homerose@c... > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 5, 2004 Report Share Posted November 5, 2004 Ms. Rosen, I have a web address for you and others to checkout: http://www.epa.gov/pesticides/pestlabels/ Fact not fiction. If you call Liem at the EPA Antimicrobial Division, he will direct you to this webpage because it is the same database he uses to see if products are used correctly or if claims are wrong. I'm just trying to help. Regards, Greg Weatherman aerobioLogical Solutions Inc. Arlington VA 22202 gw@... > > Greg: > > > > > > > > > > 2 percent hydrogen peroxide will not (I repeat - will not) kill > > mold. It will feed it really well and lead to further growth. > > > > Actually the mold count went down considerably after each > cleaning with peroxide. Please give me your scientific source about > peroxide feeding mold growth - I have heard just the opposite. I > have major chemical sensitivities and cannot have someone use > commercial products (i.e. s or whatever) in my house. What > NATURAL UNSCENTED mold killer would you reccommend? > > > > > > > > Saralee Rosen > > homerose@c... > > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 Greg: Just to let you know: my mold remediator did research on the internet before he agreed to the use of hydrogen peroxide. As I said before, it must be working because the mold goes down considerably with each cleaning. Saralee Rosen homerose@... Ms. Rosen, I have never seen a 2% hydrogen peroxide product with an EPA registration for " fungicidal " efficacy. There is a database on the EPA's website with a link to CDPR to search for products by active ingredients. My issue is the 2% hydrogen peroxide does not work or you would see many companies selling it as a cheap disinfectant. I Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 Greg: Just to let you know: my mold remediator did research on the internet before he agreed to the use of hydrogen peroxide. As I said before, it must be working because the mold goes down considerably with each cleaning. Saralee Rosen homerose@... Ms. Rosen, I have never seen a 2% hydrogen peroxide product with an EPA registration for " fungicidal " efficacy. There is a database on the EPA's website with a link to CDPR to search for products by active ingredients. My issue is the 2% hydrogen peroxide does not work or you would see many companies selling it as a cheap disinfectant. I Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 I am curious.... SInce a lot of people advocate using chlorine....I had some mold in our pool area (indoor, separate a/c units etc.) and prior to my husband finding out and dousing it with bleach, I poured some table salt on the growth. What happened was kind of strange. The salt hardened and the mold was *stopped/stunted* I chipped away the hardened salt and the mold was hardened also and I was able to *scrape* it away. To date (6 months) no reappearance. I am wondering since there is chloride in the table salt...could this be a possible remediation tool? When I finally told my husband his immediate response was chlorine/chloride both would work the same way. Any thoughts on this? Thanks, Angel On Sun, 7 Nov 2004, Saralee Rosen wrote: > Date: Sun, 7 Nov 2004 04:45:02 -0500 > From: Saralee Rosen <homerose@...> > Reply- > > Subject: Re: [] Re: mold remediation update > > Greg: > > Just to let you know: my mold remediator did research on the internet > before he agreed to the use of hydrogen peroxide. As I said before, it > must be working because the mold goes down considerably with each > cleaning. > > Saralee Rosen > homerose@... > > > Ms. Rosen, > > I have never seen a 2% hydrogen peroxide product with an EPA > registration for " fungicidal " efficacy. There is a database on the > EPA's website with a link to CDPR to search for products by active > ingredients. > > My issue is the 2% hydrogen peroxide does not > work or you would see many companies selling it as a cheap > disinfectant. > > I > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 I am curious.... SInce a lot of people advocate using chlorine....I had some mold in our pool area (indoor, separate a/c units etc.) and prior to my husband finding out and dousing it with bleach, I poured some table salt on the growth. What happened was kind of strange. The salt hardened and the mold was *stopped/stunted* I chipped away the hardened salt and the mold was hardened also and I was able to *scrape* it away. To date (6 months) no reappearance. I am wondering since there is chloride in the table salt...could this be a possible remediation tool? When I finally told my husband his immediate response was chlorine/chloride both would work the same way. Any thoughts on this? Thanks, Angel On Sun, 7 Nov 2004, Saralee Rosen wrote: > Date: Sun, 7 Nov 2004 04:45:02 -0500 > From: Saralee Rosen <homerose@...> > Reply- > > Subject: Re: [] Re: mold remediation update > > Greg: > > Just to let you know: my mold remediator did research on the internet > before he agreed to the use of hydrogen peroxide. As I said before, it > must be working because the mold goes down considerably with each > cleaning. > > Saralee Rosen > homerose@... > > > Ms. Rosen, > > I have never seen a 2% hydrogen peroxide product with an EPA > registration for " fungicidal " efficacy. There is a database on the > EPA's website with a link to CDPR to search for products by active > ingredients. > > My issue is the 2% hydrogen peroxide does not > work or you would see many companies selling it as a cheap > disinfectant. > > I > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 Hi Folks, new to group so don't know previouse response to mold. I am an Environmental Hygienist in London.(Qualified in USA) to some extent! Most profesional mold remediation practitioners do not kill mold but remove it. Dead mold (non viable) can be more of a health hazard than live (viable spores) To kill mold simply releases previously contained (within spore) mycotoxins, which are reactive chemicals. Having said that small amounts of mould can be removed, killed by bleach Sodium hypochlorite or Hydrogen Peroxide, my money is on the latter as it has been seen to oxidise to a degree. Regards Jeff Charlton London -----Original Message----- From: Angel MCS [mailto:jap2bemc@...] Sent: 07 November 2004 11:29 Subject: Re: [] Re: mold remediation update I am curious.... SInce a lot of people advocate using chlorine....I had some mold in our pool area (indoor, separate a/c units etc.) and prior to my husband finding out and dousing it with bleach, I poured some table salt on the growth. What happened was kind of strange. The salt hardened and the mold was *stopped/stunted* I chipped away the hardened salt and the mold was hardened also and I was able to *scrape* it away. To date (6 months) no reappearance. I am wondering since there is chloride in the table salt...could this be a possible remediation tool? When I finally told my husband his immediate response was chlorine/chloride both would work the same way. Any thoughts on this? Thanks, Angel On Sun, 7 Nov 2004, Saralee Rosen wrote: > Date: Sun, 7 Nov 2004 04:45:02 -0500 > From: Saralee Rosen <homerose@...> > Reply- > > Subject: Re: [] Re: mold remediation update > > Greg: > > Just to let you know: my mold remediator did research on the internet > before he agreed to the use of hydrogen peroxide. As I said before, it > must be working because the mold goes down considerably with each > cleaning. > > Saralee Rosen > homerose@... > > > Ms. Rosen, > > I have never seen a 2% hydrogen peroxide product with an EPA > registration for " fungicidal " efficacy. There is a database on the > EPA's website with a link to CDPR to search for products by active > ingredients. > > My issue is the 2% hydrogen peroxide does not > work or you would see many companies selling it as a cheap > disinfectant. > > I > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 7, 2004 Report Share Posted November 7, 2004 Hi Folks, new to group so don't know previouse response to mold. I am an Environmental Hygienist in London.(Qualified in USA) to some extent! Most profesional mold remediation practitioners do not kill mold but remove it. Dead mold (non viable) can be more of a health hazard than live (viable spores) To kill mold simply releases previously contained (within spore) mycotoxins, which are reactive chemicals. Having said that small amounts of mould can be removed, killed by bleach Sodium hypochlorite or Hydrogen Peroxide, my money is on the latter as it has been seen to oxidise to a degree. Regards Jeff Charlton London -----Original Message----- From: Angel MCS [mailto:jap2bemc@...] Sent: 07 November 2004 11:29 Subject: Re: [] Re: mold remediation update I am curious.... SInce a lot of people advocate using chlorine....I had some mold in our pool area (indoor, separate a/c units etc.) and prior to my husband finding out and dousing it with bleach, I poured some table salt on the growth. What happened was kind of strange. The salt hardened and the mold was *stopped/stunted* I chipped away the hardened salt and the mold was hardened also and I was able to *scrape* it away. To date (6 months) no reappearance. I am wondering since there is chloride in the table salt...could this be a possible remediation tool? When I finally told my husband his immediate response was chlorine/chloride both would work the same way. Any thoughts on this? Thanks, Angel On Sun, 7 Nov 2004, Saralee Rosen wrote: > Date: Sun, 7 Nov 2004 04:45:02 -0500 > From: Saralee Rosen <homerose@...> > Reply- > > Subject: Re: [] Re: mold remediation update > > Greg: > > Just to let you know: my mold remediator did research on the internet > before he agreed to the use of hydrogen peroxide. As I said before, it > must be working because the mold goes down considerably with each > cleaning. > > Saralee Rosen > homerose@... > > > Ms. Rosen, > > I have never seen a 2% hydrogen peroxide product with an EPA > registration for " fungicidal " efficacy. There is a database on the > EPA's website with a link to CDPR to search for products by active > ingredients. > > My issue is the 2% hydrogen peroxide does not > work or you would see many companies selling it as a cheap > disinfectant. > > I > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 15, 2004 Report Share Posted November 15, 2004 Our third mold test finally (after the 3rd cleaning with peroxide by a licenced mold remediator hired by our insurance company) came out negative!!! Peroxide does work. And it was the safest way for me (with my major chemical sensitivities) to go in this situation. Now we are on to the horrors of reconstruction. Luckily, it appears that the total will be under the insurance cap. I sometimes feel that this emergency situation has all been a test for our planned summer project of basement mold remediation. We will be on our own for that - no insurance company. I received alot of support from this list on my current situation and I appreciate everyone's help. Not only do I hope hat I will be able to count on you for more help with my next mold adventure, but I hope that others were able to benefit from my experience. Thanks again. Saralee Rosen homerose@... Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 16, 2004 Report Share Posted November 16, 2004 Barb: All dry wall and insulation were removed - this was basically a bathroom and a closet/entry way. Pipes and wood were washed down(not sprayed) by the mold remediator with hydrogen peroxide. The hygenist did a test before the first cleaning and then after each of the 3 cleanings. Both plates and air samples were taken. Samples were also taken directly from areas that were obvious to the eye. After the first cleaning, the mold count went down majorly. After the second cleaning the bathroom tested negative, but there was still some residual mold on a certain part of the closet wood. All the remaining wood in the closet/entry area were sanded and then washed once more with peroxide.. Oddly enough, the mold remediator wanted to sand to start with, but the hygenist said no. This was all tied into insurance co protocol. We had no cinderblock in that area. However, we will have to deal with that issue when we do our basement and I am also curious as how to deal with that situation. I would be very careful about doing this yourself. Saralee Rosen homerose@... ____________________________________________________________ Can you tell me 'about' what they did to clean up. I will have to do this myself as my insurance will not pay for it and other financial reasons. Did they open up walls??? Spray the hydrogen peroxide? Was there any cement or cinder block walls involved. I have some cinder block walls moldy. How did they test negative, with mold plates or do they test the air some other way?/ Thanks >> Quote Link to comment Share on other sites More sharing options...
Guest guest Posted November 16, 2004 Report Share Posted November 16, 2004 Barb: All dry wall and insulation were removed - this was basically a bathroom and a closet/entry way. Pipes and wood were washed down(not sprayed) by the mold remediator with hydrogen peroxide. The hygenist did a test before the first cleaning and then after each of the 3 cleanings. Both plates and air samples were taken. Samples were also taken directly from areas that were obvious to the eye. After the first cleaning, the mold count went down majorly. After the second cleaning the bathroom tested negative, but there was still some residual mold on a certain part of the closet wood. All the remaining wood in the closet/entry area were sanded and then washed once more with peroxide.. Oddly enough, the mold remediator wanted to sand to start with, but the hygenist said no. This was all tied into insurance co protocol. We had no cinderblock in that area. However, we will have to deal with that issue when we do our basement and I am also curious as how to deal with that situation. I would be very careful about doing this yourself. Saralee Rosen homerose@... ____________________________________________________________ Can you tell me 'about' what they did to clean up. I will have to do this myself as my insurance will not pay for it and other financial reasons. Did they open up walls??? Spray the hydrogen peroxide? Was there any cement or cinder block walls involved. I have some cinder block walls moldy. How did they test negative, with mold plates or do they test the air some other way?/ Thanks >> Quote Link to comment Share on other sites More sharing options...
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