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  #1  
Old 06-16-2002, 10:08 PM
Jason B Jason B is offline
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Join Date: Jun 2002
Location: Southern Michigan
Posts: 2
Diazinon shelf life

I am wondering how long an opened bottle of diazinon 25% is "good".
I bought a huge bottle a few years ago and it says it should be used within 6 months of opening it.

At a tablespoon or 2 per gallon I could have made hundreds of gallons of the stuff. Certainly more than I could have safely used on my lawn.

What happens to diazinon as it sits? Does it become less effective as it ages? How long am I able to use it with the desired effect?

Lastly, what do I do with the nearly full bottle of diazinon when it needs disposed of?

Thanks a million for any help.
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  #2  
Old 06-18-2002, 08:47 PM
Tony Harrell Tony Harrell is offline
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Join Date: Dec 2001
Location: Mount Airy,North Carolina
Posts: 739
25 percent? WHOA! Who made it? Didn't know you could get technical grade pesticides! I guess if you can't use it up, contact a local pest control operator. If he won't take it off your hands, call your county agriculture agent. He'll know how to handle it.
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  #3  
Old 06-19-2002, 09:53 PM
Jason B Jason B is offline
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Join Date: Jun 2002
Location: Southern Michigan
Posts: 2
I believe I have a container of ortho and one called "No-Pest"

It's available off the shelf at Wal-Mart.

Good stuff!

Do they generally charge for the disposal of pesticides?
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  #4  
Old 06-20-2002, 09:57 AM
Tordonista Tordonista is offline
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Join Date: Apr 2002
Location: Boise, Id
Posts: 36
I have a 2 1/2 of 48% (Wilbur Ellis. RU) that I opened at least two years ago. (Save it for tough jobs.) that seems to work just as well now as when I got it.
Contact your State Ag about disposal. Here in Idaho they have days set up where you can drop anything off at no charge.
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