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Old 02-07-2016, 04:47 PM   #99
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You could also Google "humanure time to safe disposal" for a list of helpful links.
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Old 02-07-2016, 06:02 PM   #100
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apologies if this posts twice, in trying to fix the photo link,it wasn't letting me edit, and it appears my post was deleted. I'll try again in one go.

first of all, if you yourself are not infected with any parasites or pathogens, then you don't need to worry about how long it takes to kill them off. Most of the bacteria in our feces is harmless. (don't have roundworms? then don't need to worry about how long they take to kill off. Don't have Giardia? Don't worry about infecting people with it.) While there is risk with individuals infected with things that can pass the fecal to oral route, if you're not infected, the concern is really not something you should worry about. Also, if someone else uses your compost toilet and you're not certain if they might have a disease that you could contact... wash your damn hands if you come into contact with it. Wash your hands before you eat even if you don't come into contact with fecal matter... it's a good rule of thumb.

There has been a bit of misinformation though I think in this thread. The type of composting done matters greatly as to how quickly various pathogens die. Just spreading your waste on the soil (or pooping in a cathole 6 inches deep) a number of bacteria in our intestines will just die on their own. Some pathogens and certainly things like roundworm eggs can live longer. (the eggs can lay dormant for years, always wash your hands... you can pick a flower that had a worm on it from a growing where a dog pooped years ago and get infected)

Composting kills this stuff. Different kinds of composting kills it at different rates. Certainly putting it just in a bucket and leaving it, most everything can get killed off within a year, but if you want to be certain about it, you need to compost at high temperatures, where things DO get killed off quickly. (this would be minutes to hours, depending on the pathogen)

The turning of poop in a bucket with peat or coco coir, or whatever other cover matter and compost starter... after a few hours, hasn't likely raised the temperature up high enough to kill off the stuff that you're worried about. (but again, stop worrying about it unless you already know you're sick with it, and if you are... then you're already sick with it so it's weird for you to worry so much, you'd know your poop is already a biohazard in that case, and no, you wouldn't just put it into a garbage can until your treated and well again.) But it WILL compost, and eventually kill off the pathogens...

Read the Humanure Handbook if you want to learn how to compost so that nothing survives the pile after a few hours of the right temperature. Here's a handy couple of charts from the book that can ease your mind about it. (and someone mentioned they weren't sure of their sources, but I give you the World Health Organization as one, and a study from Feachem for the other, two very very good sources) You can download the book online free, definitely worth a read.


(nothing survives an hour in a thermophilic pile)


You can look at the anaerobic and the compost toilet retention times for the natures head, and determine that it's a combination of the two. I'd put the poop in a thermophilic pile myself.
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Old 02-07-2016, 06:09 PM   #101
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Whoa there buddy!

I was just pointing out that contrary to the current common narrative, urine ain't sterile.

I think the claimed sterility of urine is one of those stories that kinda grew legs because it was thought of as a "shocking truth", irrespective of the fact that it ain't true.


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Not quiet. Urine is nearly sterile, with a very small, but by now viewed as important for bladder health, microbe population.

When the first tests were done in the 1950's, this wasn't understood and urine was declared sterile. The label stuck until the claim was revisited very recently.

Thanks to greenfire for the detailed explanation about pathogen elimination times in humanure. For further info, click here: http://bfy.tw/48qN
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Old 02-07-2016, 06:21 PM   #102
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This is where the 6-7 hours comes from:

http://natureshead.net/user_guide.html

Scroll down to the section on emptying.
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Old 02-07-2016, 06:52 PM   #103
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Nearly sterile, depending on the health of the producer.

But regardless, In short, urine is NOT sterile right?


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Old 02-07-2016, 06:59 PM   #104
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So If you are boondocking miles from the nearest town do you just keep your full compost bags to dump in a trash the next time you run to town for supplies or do you dig a hole in the desert and bury your compost?

I'm trying to imagine some place like Quartzite with the hundreds of RVs out there and they all had composting toilets.

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Old 02-07-2016, 07:09 PM   #105
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Nearly sterile, depending on the health of the producer.

But regardless, In short, urine is NOT sterile right?


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Here you go: http://bfy.tw/48sG
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Old 02-07-2016, 07:11 PM   #106
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So If you are boondocking miles from the nearest town do you just keep your full compost bags to dump in a trash the next time you run to town for supplies or do you dig a hole in the desert and bury your compost?

I'm trying to imagine some place like Quartzite with the hundreds of RVs out there and they all had composting toilets.

Kelvin
How is this in any way different from all of these these RVs having to dump their tanks twice a week?

The benefit of the composting toilets is that they only have to be emptied once a month or so, depending on use. With our use, weekends and holiday, I expect that we have to empty it once or twice per season, max.
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Old 02-07-2016, 07:14 PM   #107
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Frankly I don't see a huge problem with the disposal of human waste in a dumpster, maybe a little more issue in a trash can that has to be emptied, but I would say that if dumping the waste in a matter of hours, days, or weeks, of excitement that the depositor has a certain duty to package the stuff well, maybe a sealed bag in a sealed cardboard box to mitigate accidental spillage.

To me the charts published on the previous page indicate that the contents from a composting toilet are not "safe" after a few hours or days.

Depositing in the woods, countryside, or garden before at least three months cant be considered liability free.

Some of those temps are pretty hot.

C left F right

40 = 104
45 = 113
50 = 122
55 = 131
60 = 140



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Old 02-07-2016, 07:17 PM   #108
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How is this in any way different from all of these these RVs having to dump their tanks twice a week?



.

They are dumped in sanitary sewers or septic systems purpose designed to process human waste.

A person who dumps cans into garbage trucks will probably say a lot of difference.



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Old 02-07-2016, 07:18 PM   #109
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Imagine the look on some dumpster divers face.
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Old 02-07-2016, 07:19 PM   #110
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They are dumped in sanitary sewers or septic systems purpose designed to process human waste.

A person who dumps cans into garbage trucks will probably say a lot of difference.



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One word: diapers.
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Old 02-08-2016, 01:51 AM   #111
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Well, that's another thread gone to @#!&.
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Old 02-08-2016, 05:42 AM   #112
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Thank you, this is certainly much more informative.

-J

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Originally Posted by SteveSueMac View Post
This PDF may help: http://humanurehandbook.com/downloads/Chapter_6.pdf

Page 107 (not in the PDF but from the source) suggest 2 months for a non-heat compost.

I don't know how authoritative the source is - but it's a source.




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