mosquito spraying and ponds

[[email protected]]

With the hysteria over West Nile virus, localities are spraying to kill
mosquitos. How does this spraying affect ponds, if at all?


Alan

--

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[jammer]

COVER THE POND if they spray in your area.




On Wed, 16 Jul 2003 19:46:15 -0400, wrote:

>With the hysteria over West Nile virus, localities are spraying to kill
>mosquitos. How does this spraying affect ponds, if at all?
>
>
>Alan

[Gregory Young]

You need to check with your locals about what they are spraying with.
Many localities are spraying with Bacillus thurensis, which is harmless to
plants and animals, save of course mosquito larvae.
Happy ponding,
Greg


> wrote in message
ganews.com...
> With the hysteria over West Nile virus, localities are spraying to kill
> mosquitos. How does this spraying affect ponds, if at all?
>
>
> Alan
>
> --
>
> ---------------------------------------------------------------------
> **** Please use address ) to reply via e-mail. ****
>
> Posted using registered MR/2 ICE Newsreader #564
>
> ---------------------------------------------------------------------
>

[[email protected]]

it is the oil and other "carriers" in sprays used to make it stick that is a problem
in ponds. usually you can ask them to skip you. Ingrid

wrote:

>With the hysteria over West Nile virus, localities are spraying to kill
>mosquitos. How does this spraying affect ponds, if at all?
>
>
>Alan



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.

[[email protected]]

very toxic to fish.
http://216.239.53.104/search?q=cache:EzYutvpFxg4J:www.bayercropscience.c om.au/products/resources/msds/Coopex%2520Insecticidal%2520Dusting%2520Powder.pdf +permethrin+fish+toxicity&hl=en&ie=UTF-8
http://pmep.cce.cornell.edu/profiles/extoxnet/metiram-propoxur/permethrin-ext.html

wrote:
two adult mosquito control insecticides: permethrin and
>sumithrin which are synthetic pyrethrins.




~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.

[Gregory Young]

First off, the bacteria is actually Bacillus thuringiensis.. sorry about
that. I was in a bit of a hurry, and upset.. a deer and my car had an
encounter yesterday, (last one was back about 1984, so I guess I have been
lucky) so my typing was sloppy.
Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
poison, not very dissimilar from what you would know as a "nerve agent".
It is toxic to all animal life, only the LD 50 (lethal dose) varies from one
species to another.
I would not rely on charcoal, as Malathion will be absorbed by your fish
most likely well in advance of making a pass into a filter system!
Best advice is to cover your pond with a plastic, nonpermeable tarp (the
common blue plastic one works fine) on the day they spray.
You are looking for a tarp that can cover the surface, to catch falling
droplets/aerosols, so just have a couple of feet overlapping you pond on all
sides and you will do fine.
I would float some tires, etc to keep the tarp off the water surface, esp.
if it's on during the day, to allow air exchange.
Be careful when you remove it, so that any droplets won't roll off into the
pond.
You could of course ask them to "skip" you, but I wouldn't chance that the
message you leave gets through to the individual doing the spraying, so play
it safe and cover your pond..
I don't understand why quite a few of the local health departments are still
using Malathion. The larvicides work great, and are safe. Malathion is of
course cheaper, so that may be a factor... Fortunately our county
commissioners have agreed with our recommendations to stick with larvicides,
(even though we have a significant amount of WNV isolated from dead crows in
our region).
Happy ponding,
Greg
--


"Lee Brouillet" > wrote in message
...
> I just called my local Mosquito Control folks: they said that they use the
> bacillus thurensis directly in water, but spray malathion from the trucks
at
> night that cruise the streets. She said the amount they use won't hurt the
> fish, and I understand that *certain* amounts of malathion can be used in
> the pond for various critter control. I also ususally keep several pounds
of
> activated charcoal in my waterfall setup as a "just in case" first line of
> defense against toxins. In your opinion, is this sufficient?
>
> Lee
>
> "Gregory Young" > wrote in message
> ...
> > You need to check with your locals about what they are spraying with.
> > Many localities are spraying with Bacillus thurensis, which is harmless
to
> > plants and animals, save of course mosquito larvae.
> > Happy ponding,
> > Greg
> >
> >
> > > wrote in message
> > ganews.com...
> > > With the hysteria over West Nile virus, localities are spraying to
kill
> > > mosquitos. How does this spraying affect ponds, if at all?
> > >
> > >
> > > Alan
> > >
> > > --
> > >
> > > ---------------------------------------------------------------------
> > > **** Please use address ) to reply via e-mail. ****
> > >
> > > Posted using registered MR/2 ICE Newsreader #564
> > >
> > > ---------------------------------------------------------------------
> > >
> >
> >
>
>

[Nedra]

I have lived in a county that is adjacent to St. Louis County
yet is light years away. The "Deliverance" take is perfect for
my county. I've lived here for almost 50 years and wouldn't
change a thing about it. We are surrounded by yuppie
"Villa" types. Four story houses that are 6 feet apart... LOL!
We have no controls at all .... None!
We were inundated by all the folk who came to shoot
fireworks! But you know, I would not trade where I live
for their highly regulated lives for the world!
Mosquito Control?
I'm surprised I even know how to spell it ;-)

Nedra
http://www.geocities.com/Heartland/Pines/4836
http://community.webshots.com/user/nedra118

"Lee Brouillet" > wrote in message
...
> My pond - while at the front of the house (closest to the street) is
behind
> a 7' block privacy wall and screened in. Hopefully, that will keep the
> droplets out. We're not on a schedule for spraying: when they come, they
> come - no warning. Whereas I live in a subdivision, the area used to be
> quite rural: up until about 3 years ago, it was a joke, a "- I'll think
I'll
> go sit on the porch, pluck my banjo and pick my tooth" kind of place <GBG>
> Think "Deliverance". Then Tampa had to expand somewhere, and East and
South
> was already taken, so everyone started moving North. Mosquito Control will
> catch up in 5 or 10 years, I guess.
>
> Lee
>
> "Gregory Young" > wrote in message
> ...
> > First off, the bacteria is actually Bacillus thuringiensis.. sorry about
> > that. I was in a bit of a hurry, and upset.. a deer and my car had an
> > encounter yesterday, (last one was back about 1984, so I guess I have
been
> > lucky) so my typing was sloppy.
> > Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
> > poison, not very dissimilar from what you would know as a "nerve agent".
> > It is toxic to all animal life, only the LD 50 (lethal dose) varies from
> one
> > species to another.
> > I would not rely on charcoal, as Malathion will be absorbed by your fish
> > most likely well in advance of making a pass into a filter system!
> > Best advice is to cover your pond with a plastic, nonpermeable tarp (the
> > common blue plastic one works fine) on the day they spray.
> > You are looking for a tarp that can cover the surface, to catch falling
> > droplets/aerosols, so just have a couple of feet overlapping you pond on
> all
> > sides and you will do fine.
> > I would float some tires, etc to keep the tarp off the water surface,
esp.
> > if it's on during the day, to allow air exchange.
> > Be careful when you remove it, so that any droplets won't roll off into
> the
> > pond.
> > You could of course ask them to "skip" you, but I wouldn't chance that
the
> > message you leave gets through to the individual doing the spraying, so
> play
> > it safe and cover your pond..
> > I don't understand why quite a few of the local health departments are
> still
> > using Malathion. The larvicides work great, and are safe. Malathion is
of
> > course cheaper, so that may be a factor... Fortunately our county
> > commissioners have agreed with our recommendations to stick with
> larvicides,
> > (even though we have a significant amount of WNV isolated from dead
crows
> in
> > our region).
> > Happy ponding,
> > Greg
> > --
> >
> >
> > "Lee Brouillet" > wrote in message
> > ...
> > > I just called my local Mosquito Control folks: they said that they use
> the
> > > bacillus thurensis directly in water, but spray malathion from the
> trucks
> > at
> > > night that cruise the streets. She said the amount they use won't hurt
> the
> > > fish, and I understand that *certain* amounts of malathion can be used
> in
> > > the pond for various critter control. I also ususally keep several
> pounds
> > of
> > > activated charcoal in my waterfall setup as a "just in case" first
line
> of
> > > defense against toxins. In your opinion, is this sufficient?
> > >
> > > Lee
> > >
> > > "Gregory Young" > wrote in message
> > > ...
> > > > You need to check with your locals about what they are spraying
with.
> > > > Many localities are spraying with Bacillus thurensis, which is
> harmless
> > to
> > > > plants and animals, save of course mosquito larvae.
> > > > Happy ponding,
> > > > Greg
> > > >
> > > >
> > > > > wrote in message
> > > > ganews.com...
> > > > > With the hysteria over West Nile virus, localities are spraying to
> > kill
> > > > > mosquitos. How does this spraying affect ponds, if at all?
> > > > >
> > > > >
> > > > > Alan
> > > > >
> > > > > --
> > > > >
> > > >
> > ---------------------------------------------------------------------
> > > > > **** Please use address ) to reply via e-mail.
****
> > > > >
> > > > > Posted using registered MR/2 ICE Newsreader #564
> > > > >
> > > >
> > ---------------------------------------------------------------------
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>
>

[Gregory Young]

Thanks Bonnie:
I drive a Crown Victoria, which gives a lot of front end room for damage,
sparing the driver. No problems on my end.. thanks for asking.
Interesting also that the air bags didn't deploy. I think it was because
although it was a front impact the deer must have been airborne, and hit the
grill above the bumper, so the impact did not trigger the air bag sensor.
When those deploy you're talking $1500 a piece just to replace them (minus
the labor).
Metal can always be fixed, it's just the hassle factor..
Happy ponding,
Greg

--


"Bonnie Espenshade" > wrote in message
...
> Gregory Young wrote:
> I was in a bit of a hurry, and upset.. a deer and my car
> had an
> > encounter yesterday, (last one was back about 1984, so I guess I have
been
> > lucky) so my typing was sloppy.
>
> > Happy ponding,
> > Greg
>
> Hope you're well and the cars recovery will be quick.
>
> --
> Bonnie
> NJ
> http://home.earthlink.net/~maebe43/
>
>

[Gregory Young]

I can hear the banjos now! (deliverance comes to mind), but I think of
country with deliverance, with few houses to be found..
Greg

--


"Nedra" > wrote in message
rthlink.net...
> I have lived in a county that is adjacent to St. Louis County
> yet is light years away. The "Deliverance" take is perfect for
> my county. I've lived here for almost 50 years and wouldn't
> change a thing about it. We are surrounded by yuppie
> "Villa" types. Four story houses that are 6 feet apart... LOL!
> We have no controls at all .... None!
> We were inundated by all the folk who came to shoot
> fireworks! But you know, I would not trade where I live
> for their highly regulated lives for the world!
> Mosquito Control?
> I'm surprised I even know how to spell it ;-)
>
> Nedra
> http://www.geocities.com/Heartland/Pines/4836
> http://community.webshots.com/user/nedra118
>
> "Lee Brouillet" > wrote in message
> ...
> > My pond - while at the front of the house (closest to the street) is
> behind
> > a 7' block privacy wall and screened in. Hopefully, that will keep the
> > droplets out. We're not on a schedule for spraying: when they come, they
> > come - no warning. Whereas I live in a subdivision, the area used to be
> > quite rural: up until about 3 years ago, it was a joke, a "- I'll think
> I'll
> > go sit on the porch, pluck my banjo and pick my tooth" kind of place
<GBG>
> > Think "Deliverance". Then Tampa had to expand somewhere, and East and
> South
> > was already taken, so everyone started moving North. Mosquito Control
will
> > catch up in 5 or 10 years, I guess.
> >
> > Lee
> >
> > "Gregory Young" > wrote in message
> > ...
> > > First off, the bacteria is actually Bacillus thuringiensis.. sorry
about
> > > that. I was in a bit of a hurry, and upset.. a deer and my car had an
> > > encounter yesterday, (last one was back about 1984, so I guess I have
> been
> > > lucky) so my typing was sloppy.
> > > Malathion is, as I believe Ingrid said, very toxic. It is a
cholinergic
> > > poison, not very dissimilar from what you would know as a "nerve
agent".
> > > It is toxic to all animal life, only the LD 50 (lethal dose) varies
from
> > one
> > > species to another.
> > > I would not rely on charcoal, as Malathion will be absorbed by your
fish
> > > most likely well in advance of making a pass into a filter system!
> > > Best advice is to cover your pond with a plastic, nonpermeable tarp
(the
> > > common blue plastic one works fine) on the day they spray.
> > > You are looking for a tarp that can cover the surface, to catch
falling
> > > droplets/aerosols, so just have a couple of feet overlapping you pond
on
> > all
> > > sides and you will do fine.
> > > I would float some tires, etc to keep the tarp off the water surface,
> esp.
> > > if it's on during the day, to allow air exchange.
> > > Be careful when you remove it, so that any droplets won't roll off
into
> > the
> > > pond.
> > > You could of course ask them to "skip" you, but I wouldn't chance that
> the
> > > message you leave gets through to the individual doing the spraying,
so
> > play
> > > it safe and cover your pond..
> > > I don't understand why quite a few of the local health departments are
> > still
> > > using Malathion. The larvicides work great, and are safe. Malathion is
> of
> > > course cheaper, so that may be a factor... Fortunately our county
> > > commissioners have agreed with our recommendations to stick with
> > larvicides,
> > > (even though we have a significant amount of WNV isolated from dead
> crows
> > in
> > > our region).
> > > Happy ponding,
> > > Greg
> > > --
> > >
> > >
> > > "Lee Brouillet" > wrote in message
> > > ...
> > > > I just called my local Mosquito Control folks: they said that they
use
> > the
> > > > bacillus thurensis directly in water, but spray malathion from the
> > trucks
> > > at
> > > > night that cruise the streets. She said the amount they use won't
hurt
> > the
> > > > fish, and I understand that *certain* amounts of malathion can be
used
> > in
> > > > the pond for various critter control. I also ususally keep several
> > pounds
> > > of
> > > > activated charcoal in my waterfall setup as a "just in case" first
> line
> > of
> > > > defense against toxins. In your opinion, is this sufficient?
> > > >
> > > > Lee
> > > >
> > > > "Gregory Young" > wrote in message
> > > > ...
> > > > > You need to check with your locals about what they are spraying
> with.
> > > > > Many localities are spraying with Bacillus thurensis, which is
> > harmless
> > > to
> > > > > plants and animals, save of course mosquito larvae.
> > > > > Happy ponding,
> > > > > Greg
> > > > >
> > > > >
> > > > > > wrote in message
> > > > > ganews.com...
> > > > > > With the hysteria over West Nile virus, localities are spraying
to
> > > kill
> > > > > > mosquitos. How does this spraying affect ponds, if at all?
> > > > > >
> > > > > >
> > > > > > Alan
> > > > > >
> > > > > > --
> > > > > >
> > > > >
> > > ---------------------------------------------------------------------
> > > > > > **** Please use address ) to reply via e-mail.
> ****
> > > > > >
> > > > > > Posted using registered MR/2 ICE Newsreader #564
> > > > > >
> > > > >
> > > ---------------------------------------------------------------------
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
> >
>
>

[~ jan JJsPond.us]

Hmmmm, I guess I'll have to respectfully disagree after using Malathion LD
50 (per Dr.J's instructions in his book) for the removal of flukes in my
pond. Unless they're gonna rain droplets over the pond, I'd say the fish
are safe and the carbon would remove it after one pass.

Sorry to hear about the deer & car meeting, I doubt I could have even typed
anything close to legible after such an event. ~ jan

>On Thu, 17 Jul 2003 23:36:11 GMT, "Gregory Young" > wrote:

>First off, the bacteria is actually Bacillus thuringiensis.. sorry about
>that. I was in a bit of a hurry, and upset.. a deer and my car had an
>encounter yesterday, (last one was back about 1984, so I guess I have been
>lucky) so my typing was sloppy.
>Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
>poison, not very dissimilar from what you would know as a "nerve agent".
>It is toxic to all animal life, only the LD 50 (lethal dose) varies from one
>species to another.
>I would not rely on charcoal, as Malathion will be absorbed by your fish
>most likely well in advance of making a pass into a filter system!
>Best advice is to cover your pond with a plastic, nonpermeable tarp (the
>common blue plastic one works fine) on the day they spray.
>You are looking for a tarp that can cover the surface, to catch falling
>droplets/aerosols, so just have a couple of feet overlapping you pond on all
>sides and you will do fine.
>I would float some tires, etc to keep the tarp off the water surface, esp.
>if it's on during the day, to allow air exchange.
>Be careful when you remove it, so that any droplets won't roll off into the
>pond.
>You could of course ask them to "skip" you, but I wouldn't chance that the
>message you leave gets through to the individual doing the spraying, so play
>it safe and cover your pond..
>I don't understand why quite a few of the local health departments are still
>using Malathion. The larvicides work great, and are safe. Malathion is of
>course cheaper, so that may be a factor... Fortunately our county
>commissioners have agreed with our recommendations to stick with larvicides,
>(even though we have a significant amount of WNV isolated from dead crows in
>our region).
>Happy ponding,
>Greg


See my ponds and filter design:
http://users.owt.com/jjspond/

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
To e-mail see website

[Lee Brouillet]

I *thought* it (Malathion) could be used in small, controlled doses. So far,
the fish have not shown any signs of distress, and they've been exposed to
the spray for 3 years now. It's only been this spring that I added the
activated charcoal, so that should be "icing", so to speak. I hope.

Lee

"~ jan JJsPond.us" > wrote in message
...
> Hmmmm, I guess I'll have to respectfully disagree after using Malathion LD
> 50 (per Dr.J's instructions in his book) for the removal of flukes in my
> pond. Unless they're gonna rain droplets over the pond, I'd say the fish
> are safe and the carbon would remove it after one pass.
>
> Sorry to hear about the deer & car meeting, I doubt I could have even
typed
> anything close to legible after such an event. ~ jan
>
> >On Thu, 17 Jul 2003 23:36:11 GMT, "Gregory Young" >
wrote:
>
> >First off, the bacteria is actually Bacillus thuringiensis.. sorry about
> >that. I was in a bit of a hurry, and upset.. a deer and my car had an
> >encounter yesterday, (last one was back about 1984, so I guess I have
been
> >lucky) so my typing was sloppy.
> >Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
> >poison, not very dissimilar from what you would know as a "nerve agent".
> >It is toxic to all animal life, only the LD 50 (lethal dose) varies from
one
> >species to another.
> >I would not rely on charcoal, as Malathion will be absorbed by your fish
> >most likely well in advance of making a pass into a filter system!
> >Best advice is to cover your pond with a plastic, nonpermeable tarp (the
> >common blue plastic one works fine) on the day they spray.
> >You are looking for a tarp that can cover the surface, to catch falling
> >droplets/aerosols, so just have a couple of feet overlapping you pond on
all
> >sides and you will do fine.
> >I would float some tires, etc to keep the tarp off the water surface,
esp.
> >if it's on during the day, to allow air exchange.
> >Be careful when you remove it, so that any droplets won't roll off into
the
> >pond.
> >You could of course ask them to "skip" you, but I wouldn't chance that
the
> >message you leave gets through to the individual doing the spraying, so
play
> >it safe and cover your pond..
> >I don't understand why quite a few of the local health departments are
still
> >using Malathion. The larvicides work great, and are safe. Malathion is of
> >course cheaper, so that may be a factor... Fortunately our county
> >commissioners have agreed with our recommendations to stick with
larvicides,
> >(even though we have a significant amount of WNV isolated from dead crows
in
> >our region).
> >Happy ponding,
> >Greg
>
>
> See my ponds and filter design:
> http://users.owt.com/jjspond/
>
> ~Keep 'em Wet!~
> Tri-Cities WA Zone 7a
> To e-mail see website

[Fool Speck]

"Gregory Young" > wrote in message >...

> Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
> poison, not very dissimilar from what you would know as a "nerve agent".
> It is toxic to all animal life, only the LD 50 (lethal dose) varies from one
> species to another.

Many years ago during the medfly invasion in California, the public
was very upset about the idea of aerial spraying of malathion. B.T.
Collins, Director of California Conversation Corps, insisted it was
safe. To prove his point, on July 11, 1981 he presented a glass of
malathion diluted to working strength and in front of the media, he
DRANK IT! He said it tasted pretty bad, but otherwise he felt fine.
It was that demonstration that silenced the public outcry, and
spraying resumed with very little public resistance.


Steve Lowther

[Fool Speck]

"Gregory Young" > wrote in message >...
> Thanks Bonnie:
> I drive a Crown Victoria, which gives a lot of front end room for damage,
> sparing the driver. No problems on my end.. thanks for asking.
> Interesting also that the air bags didn't deploy. I think it was because
> although it was a front impact the deer must have been airborne, and hit the
> grill above the bumper, so the impact did not trigger the air bag sensor.
> When those deploy you're talking $1500 a piece just to replace them (minus
> the labor).
> Metal can always be fixed, it's just the hassle factor..
> Happy ponding,
> Greg


The reason your air bag didn't deploy is because are bags are
triggered by inertial sensors. The deer would have had to seriously
impede the forward momentum of your Crown Vic before it would have
imployed the air bag.

There are several failsafe features designed into the system. There
are firing sensors, which are on the positive side of the circuit, and
safing sensors, which are on the ground side of the circuit. You must
trip one safing sensor and one firing sensor to complete the circuit
and deploy the air bags.

Usually there are three firing sensors. One on each corner and a
center sensor located above the radiator. This is a combination sensor
that has a firing sensor and a safing sensor. There is also another
safing sensor located in the center of the firewall, just below the
cowl.

The sensors consist of a cup shaped magnet that holds a gold-plated
ball. In front of the ball are gold-plated contacts. In an impact,
inertia pulls the ball out of the cup and into the contacts. This
closes the circuit to either the ground side, or the hot side of the
air bag firing circuit. This is why you must trip two sensors, one
safing and one firing, at the same time.

Anyway, I thought it was an interesting bit of trivia....


Steve Lowther

[~ jan JJsPond.us]

To give you an idea of the treatment, for a 50 gallon sick tank we were
using 2 drops, harder water can need up to 3-5 drops. So it is small &
controlled! For 1,500 gallons I think we were using less than 1/2 a
teaspoon. We measured it out in mliters, actually I made the chemist
measure it out. I added it with a hose end sprayer into the 50 gallon pump
chamber that feeds the water fall, so it was well diluted before it hit the
ponds. The plus is, it's cheap, it's easy to purchase, and doesn't set the
filter back. ~ jan

>On 21 Jul 2003 08:42:15 -0500, "Lee Brouillet" > wrote:

>I *thought* it (Malathion) could be used in small, controlled doses. So far,
>the fish have not shown any signs of distress, and they've been exposed to
>the spray for 3 years now. It's only been this spring that I added the
>activated charcoal, so that should be "icing", so to speak. I hope.
>
>Lee
>
>"~ jan JJsPond.us" > wrote in message
...
>> Hmmmm, I guess I'll have to respectfully disagree after using Malathion LD
>> 50 (per Dr.J's instructions in his book) for the removal of flukes in my
>> pond. Unless they're gonna rain droplets over the pond, I'd say the fish
>> are safe and the carbon would remove it after one pass.
>>
>> Sorry to hear about the deer & car meeting, I doubt I could have even
>typed
>> anything close to legible after such an event. ~ jan
>>
>> >On Thu, 17 Jul 2003 23:36:11 GMT, "Gregory Young" >
>wrote:
>>
>> >First off, the bacteria is actually Bacillus thuringiensis.. sorry about
>> >that. I was in a bit of a hurry, and upset.. a deer and my car had an
>> >encounter yesterday, (last one was back about 1984, so I guess I have
>been
>> >lucky) so my typing was sloppy.
>> >Malathion is, as I believe Ingrid said, very toxic. It is a cholinergic
>> >poison, not very dissimilar from what you would know as a "nerve agent".
>> >It is toxic to all animal life, only the LD 50 (lethal dose) varies from
>one
>> >species to another.
>> >I would not rely on charcoal, as Malathion will be absorbed by your fish
>> >most likely well in advance of making a pass into a filter system!
>> >Best advice is to cover your pond with a plastic, nonpermeable tarp (the
>> >common blue plastic one works fine) on the day they spray.
>> >You are looking for a tarp that can cover the surface, to catch falling
>> >droplets/aerosols, so just have a couple of feet overlapping you pond on
>all
>> >sides and you will do fine.
>> >I would float some tires, etc to keep the tarp off the water surface,
>esp.
>> >if it's on during the day, to allow air exchange.
>> >Be careful when you remove it, so that any droplets won't roll off into
>the
>> >pond.
>> >You could of course ask them to "skip" you, but I wouldn't chance that
>the
>> >message you leave gets through to the individual doing the spraying, so
>play
>> >it safe and cover your pond..
>> >I don't understand why quite a few of the local health departments are
>still
>> >using Malathion. The larvicides work great, and are safe. Malathion is of
>> >course cheaper, so that may be a factor... Fortunately our county
>> >commissioners have agreed with our recommendations to stick with
>larvicides,
>> >(even though we have a significant amount of WNV isolated from dead crows
>in
>> >our region).
>> >Happy ponding,
>> >Greg
>>
>>
>> See my ponds and filter design:
>> http://users.owt.com/jjspond/
>>
>> ~Keep 'em Wet!~
>> Tri-Cities WA Zone 7a
>> To e-mail see website
>


See my ponds and filter design:
http://users.owt.com/jjspond/

~Keep 'em Wet!~
Tri-Cities WA Zone 7a
To e-mail see website

[Gregory Young]

Neat Steve!
Thanks for teaching me about the firing mechanism of air bags.. it's a;ways
a good day when you learn something new!
Got the estimate today.. insurance says it's $4200 of damage.
My guess is the radiator sensor may have gone off, but neither of the
others. (as it was crushed.. the condenser was smashed, etc).
Happy ponding,
Greg


"Fool Speck" > wrote in message
om...
> "Gregory Young" > wrote in message
>...
> > Thanks Bonnie:
> > I drive a Crown Victoria, which gives a lot of front end room for
damage,
> > sparing the driver. No problems on my end.. thanks for asking.
> > Interesting also that the air bags didn't deploy. I think it was because
> > although it was a front impact the deer must have been airborne, and hit
the
> > grill above the bumper, so the impact did not trigger the air bag
sensor.
> > When those deploy you're talking $1500 a piece just to replace them
(minus
> > the labor).
> > Metal can always be fixed, it's just the hassle factor..
> > Happy ponding,
> > Greg
>
>
> The reason your air bag didn't deploy is because are bags are
> triggered by inertial sensors. The deer would have had to seriously
> impede the forward momentum of your Crown Vic before it would have
> imployed the air bag.
>
> There are several failsafe features designed into the system. There
> are firing sensors, which are on the positive side of the circuit, and
> safing sensors, which are on the ground side of the circuit. You must
> trip one safing sensor and one firing sensor to complete the circuit
> and deploy the air bags.
>
> Usually there are three firing sensors. One on each corner and a
> center sensor located above the radiator. This is a combination sensor
> that has a firing sensor and a safing sensor. There is also another
> safing sensor located in the center of the firewall, just below the
> cowl.
>
> The sensors consist of a cup shaped magnet that holds a gold-plated
> ball. In front of the ball are gold-plated contacts. In an impact,
> inertia pulls the ball out of the cup and into the contacts. This
> closes the circuit to either the ground side, or the hot side of the
> air bag firing circuit. This is why you must trip two sensors, one
> safing and one firing, at the same time.
>
> Anyway, I thought it was an interesting bit of trivia....
>
>
> Steve Lowther

[[email protected]]

a similar type of display was performed with DDT. of course we now know the
consequences of DDT in fat and the food chain. Ingrid

(Fool Speck) wrote:
>Many years ago during the medfly invasion in California, the public
>was very upset about the idea of aerial spraying of malathion. B.T.
>Collins, Director of California Conversation Corps, insisted it was
>safe. To prove his point, on July 11, 1981 he presented a glass of
>malathion diluted to working strength and in front of the media, he
>DRANK IT! He said it tasted pretty bad, but otherwise he felt fine.
>It was that demonstration that silenced the public outcry, and
>spraying resumed with very little public resistance.


~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
List Manager: Puregold Goldfish List
http://puregold.aquaria.net/
www.drsolo.com
Solve the problem, dont waste energy finding who's to blame
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Unfortunately, I receive no money, gifts, discounts or other
compensation for all the damn work I do, nor for any of the
endorsements or recommendations I make.

[Lee Hirt]

On Thu, 17 Jul 2003 23:36:11 GMT, "Gregory Young"
> wrote:

>.. sorry about
>that. I was in a bit of a hurry, and upset.. a deer and my car had an
>encounter yesterday, (last one was back about 1984, so I guess I have been
>lucky)

What animal kills more humans that any other in the U.S.? Yep, the
deer. Yes, you were lucky thankfully.