Holding Tank Chemicals - Fiberglass RV


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Old 01-16-2008, 07:58 PM   #1
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Here's some info posted to another RV group.

Pete

QUOTE

For those of you who insist on using chemicals in your black tanks
have a look at the Borrego Springs State Park, CA, website:

http://parks.ca.gov/default.asp?page_id=638


**NOTICE - DUMP STATION CLOSED**

NEW Hook-Up Site Procedures

As of March 29, 2007 the Dump Station at Borrego Palm Canyon
Campground is
closed until further notice. Testing required by the State Water
Resources Control Board has detected above normal levels of Total
Nitrogen, which has the potential to contaminate groundwater.

The primary cause for the elevated level of Nitrogen found in this
dump
station is directly related to the presence of two chemicals that are
routinely used in the black water tanks of most RV's, they are: Para
dichlorobenzene (used as a insecticidal fumigant against clothes moths
and
as a deodorant for garbage and restrooms) and Para formaldehyde
(traditionally used as a disinfectant, sanitizer, fungicide and
microbicide).

In order to comply with the State Water Resources Control Board
requirements, we now require all RV holding tanks be emptied before
arrival to the campground. Campers arriving with full holding tanks
will
be re-directed to a local dump station to empty their tanks before
returning to occupy a site in our Hookup Area. While in the
campground,
park visitors shall not use deodorizing, or sanitizing products, which
contain Para dichlorobenzene or Para formaldehyde.

Desert Gas & Auto is equipped with a dump station and is located at
the
intersection of Palm Canyon Drive & Stirrup Road in Borrego Springs.

Trade names and synonyms:
Paradichlorobenzene
Paradichlorobenzol
Paramoth
Di-Chloricide
Paradi
Paradow
Persia-Perazol
Evola
Parazene

----------------------------------------------------------------------------

We need to thank all those who insist on using those chemicals in
their tanks.

mike
--

Pensacola, FL
http://www.travellogs.us/
END QUOTE
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Old 01-17-2008, 08:50 AM   #2
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Any suggestions recommendations for environmentally-friendly means?

Mike D
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Old 01-17-2008, 09:00 AM   #3
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I don't know what they recommend, but I have used this for several years with tremendous success.

RV Tec 100

It's very reasonably priced at Wal-Mart.
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Old 01-17-2008, 09:07 AM   #4
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I don't know what they recommend, but I have used this for several years with tremendous success.

RV Tec 100

It's very reasonably priced at Wal-Mart.
Thanks Suz.
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Old 01-17-2008, 10:05 AM   #5
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I was interested in how chemicals that do not contain nitrogen were causing a nitrogen overload. They aren't, exactly, responsible. What it is is that by putting any chemical in your tank that can keep odors down and start the decomposition process, you can have a LOT more nitrogen content in your tank without wanting to burn the trailer or roll it into the sea.

So two things contribute to the problem at the campground. One is that a lot more nitrogen gets dumped than if you just had your weekend's total going directly to the dump station. The second is that the chemicals start the decomposition process and then dump it into the dump station, overwhelming the natural cycle that is going on in the treatment area. If this happened on a steady basis, the natural process might adapt, but when it happens all at once on Sunday and then the rest of the week is low nitrogen, it doesn't let a good steady-state process get established.

What they really should be asking is for you to dump before coming to the campground, and only dump there what you produced there. It isn't the chemicals- its what they allow you to do that is the problem.

Bobbie
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Old 01-17-2008, 10:09 AM   #6
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We've been using Thetford Campa-Chem, the blue stuff, which is labeled as 100% biodegradable and only lists methyl alcohol and formaldehyde (without the "para") as ingredients. Will need to research if it has any of the above listed no-no's.
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Old 01-17-2008, 10:12 AM   #7
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Quote:
We've been using Thetford Campa-Chem, the blue stuff, which is labeled as 100% biodegradable and only lists methyl alcohol and formaldehyde as ingredients. Will need to research if it has any of the above listed no-no's.
Formaldehyde and Para-formaldehyde are the same thing once they are mixed into water.

And apparently biodegradability doesn't help.

I'll hunt up the reference I found on this problem. It was very interesting.

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Old 01-17-2008, 10:20 AM   #8
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This year i am going to start using something called the "GEO SYSTEM" it has been very affective from the reviews i read and it involves using water softener,detergent and bleach...the following is a link to the info...... hope it helps.
Joe
http://cbruni.googlepages.com/
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Old 01-17-2008, 10:34 AM   #9
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And if the dump station is closed, why do they care if you arrive with stuff in your tanks anyway, unless some RVers do wildcat dumping in the desert!

Interesting tidbit from the Park volunteer newsletter:
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Old 01-17-2008, 10:58 AM   #10
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Here is the reference:

http://www.blm.gov/nstc/resourcenotes/rn38.html
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Old 01-17-2008, 06:42 PM   #11
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What I see here is a trend, because the first instance, which I posted, is from the Calif state park system and the second, which Bobby posted, is from the US Gummint. Dunno if they are working in concert or not.

Since the state park charges $9/day for hookups, I presume they have sewer hookups in addition to the dump station. They want you to arrive with empty tanks so you won't dump your tank thru the hookup is my guess. Problem with using the hookups is that one should NOT keep the black line open -- The liquids usually run out, leaving the solids behind and eventually creating the Dreaded Black Pyramid in the tank

BTW, it IS better to dump on arrival somewhere, rather than departing, because everything is stirred up from traveling and flows out better, leaving less residue.

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