Re: Re: mVOCs, Antibiotics, and Mycotoxins [was Open Letter to IEQuality & Sickbuildings]

[Guest guest]

Ethanol is a metabolite produced by fungi. Is it a mycotoxin? I say yes! Ethanol causes disease and death in humans and animals – If you don’t believe me, read an MSDS on ethanol. It IS a leading killer of humans, second only to tobacco I believe; and legal too. Bottom line....ALL chemicals are toxic! It squarely depends upon the dose, route of exposure, and response. Dihydrogen monoxide is very toxic when inhaled, but not ingested. The same can be said for elemental mercury; but not organic mercury. Oxygen (O2) is very toxic when it is inhaled at a concentration above 40-%v; yet it is safe at 21%v. There is no such thing as a non-toxic chemical, just as much as there is no such thing as “organic” farming. For what it is worth...

--

Geyer, PE, CIH, CSP

President

KENTEC Industries, Inc.

Bakersfield, California

www.kerntecindustries.com

Forgot to cite the reference properly.

Mycotoxins. J. W. and M. Klich. Clinical Microbiology Reviews, July 2003, p. 497-516, Vol. 16, No. 3

Wei Tang

QLAB

Wei Tang wrote:

Please see below for the term " phytotoxins " .

Wei Tang

QLAB

http://cmr.asm.org/cgi/content/full/16/3/497 <http://cmr.asm.org/cgi/content/full/16/3/497>

“Mycotoxins are secondary metabolites produced by microfungi that are capable of causing disease and death in humans and other animals.”

“While all mycotoxins are of fungal origin, not all toxic compounds produced by fungi are called mycotoxins. The target and the concentration of the metabolite are both important. Fungal products that are mainly toxic to bacteria (such as penicillin) are usually called antibiotics. Fungal products that are toxic to plants are called phytotoxins by plant pathologists (confusingly, the term phytotoxin can also refer to toxins made by plants; see Graniti [93 <http://cmr.asm.org/cgi/content/full/16/3/497#R93#R93> ] for a cogent discussion of the etymology of phytotoxin and its use in plant pathology). Mycotoxins are made by fungi and are toxic to vertebrates and other animal groups in low concentrations. Other low-molecular-weight fungal metabolites such as ethanol that are toxic only in high concentrations are not considered mycotoxins (10 <http://cmr.asm.org/cgi/content/full/16/3/497#R10#R10> ).“

Wei Tang, Ph.D.

Lab Director

QLAB

Cherry Hill, NJ

FAIR USE NOTICE:

This site contains copyrighted material the use of which has not always been specifically authorized by the copyright owner. We are making such material available in our efforts to advance understanding of environmental, political, human rights, economic, democracy, scientific, and social justice issues, etc. We believe this constitutes a 'fair use' of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material on this site is distributed without profit to those who have expressed a prior interest in receiving the included information for research and educational purposes. For more information go to: http://www.law.cornell.edu/uscode/17/107.shtml. If you wish to use copyrighted material from this site for purposes of your own that go beyond 'fair use', you must obtain permission from the copyright owner.

[Guest guest]

Regarding:

You Stated

" If someone that is a CIH or in the IH (or epidemiology) field could post the

definitions of toxic ratings of materials based on (Oral)doseage per

kg human body weight? "

See attached. These are a sampling of median doses by oral route.

So - this is to say that IHs and CIHs have some value???

Sorry - the opportunity to express sarcasm was too great.

Tony

...........................................................................

" Tony " Havics, CHMM, CIH, PE

pH2, LLC

PO Box 34140

Indianapolis, IN 46234

cell

90% of Risk Management is knowing where to place the decimal point...any

consultant can give you the other 10%â„ 

This message is from pH2. This message and any attachments may contain legally

privileged or confidential information, and are intended only for the individual

or entity identified above as the addressee. If you are not the addressee, or if

this message has been addressed to you in error, you are not authorized to read,

copy, or distribute this message and any attachments, and we ask that you please

delete this message and attachments (including all copies) and notify the sender

by return e-mail or by phone at . Delivery of this message and any

attachments to any person other than the intended recipient(s) is not intended

in any way to waive confidentiality or a privilege. All personal messages

express views only of the sender, which are not to be attributed to pH2 and may

not be copied or distributed without this statement.

Re: mVOCs, Antibiotics, and Mycotoxins [was Open Letter to

IEQuality & Sickbuildings]

Excellent posts and definitions of the chemicals WEI! If someone that

is a CIH or in the IH (or epidemiology) field could post the

definitions of toxic ratings of materials based on (Oral)doseage per

kg human body weight? I remember the chart started with water and

ended with something like acrilon Nitril or cyanide with doses in mg

or ug per human body weight in KG. There was also a " concentration "

chart for airborne materials (inhalation dose)per meter cubed. The

chart was in most 40 hr. HAZWOPER and CHMM courses.

This chart went on to state this is what the expected responses of 90- 95% of

the population and did not include " hypersensitive " , which is

again an issue with the indoor air and mold concerns. That isa

whole 'nother debate/discussion.

FAIR USE NOTICE:

This site contains copyrighted material the use of which has not always been

specifically authorized by the copyright owner. We are making such material

available in our efforts to advance understanding of environmental, political,

human rights, economic, democracy, scientific, and social justice issues, etc.

We believe this constitutes a 'fair use' of any such copyrighted material as

provided for in section 107 of the US Copyright Law. In accordance with Title 17

U.S.C. Section 107, the material on this site is distributed without profit to

those who have expressed a prior interest in receiving the included information

for research and educational purposes. For more information go to:

http://www.law.cornell.edu/uscode/17/107.shtml. If you wish to use copyrighted

material from this site for purposes of your own that go beyond 'fair use', you

must obtain permission from the copyright owner.