Local water sample explodes during testing!! - Page 2 - Pensacola Fishing Forum

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Old 07-19-2010, 07:43 PM   #11
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So are you saying that we shouldn't believe any of this media hype? Will you still be taking your kids to the beach for a swim?
Yes & Yes
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Old 07-19-2010, 08:22 PM   #12
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One gallon of oil (say, Dextron) in a 30,000 gal swimming pool (which is a residential size pool) works out to about 30 parts per million.

I'd think one would be able to see, smell, taste or or feel that.
Not sure how you're figuring out your math but wouldn't 30/1,000,000 be 30ppm, not 1/30,000? Also, wouldn't the chances of the kid digging in the sand having a petroleum based sunscreen be pretty good, thus concentrating readings in that confined space? And haven't you ever seen a glass container break. It shatters. It looks as if there was a defect in his glass container that caused a clean break when heated.
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Old 07-19-2010, 10:41 PM   #13
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Not sure how you're figuring out your math but wouldn't 30/1,000,000 be 30ppm, not 1/30,000? Also, wouldn't the chances of the kid digging in the sand having a petroleum based sunscreen be pretty good, thus concentrating readings in that confined space? And haven't you ever seen a glass container break. It shatters. It looks as if there was a defect in his glass container that caused a clean break when heated.
You aren't taking the math far enough. 1/30,000 = approx. 33.33 ppm.

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Old 07-19-2010, 10:50 PM   #14
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You aren't taking the math far enough. 1/30,000 = approx. 33.33 ppm.
If you say so. Reread my post. Wasn't directing the rest of it at you and wasn't meaning to be a smart ass. Really didn't know if the math was correct.
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Old 07-19-2010, 11:44 PM   #15
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On the news today, they re-tested the water from the same place, the count was only 1 part per million..

http://www.wkrg.com/gulf_oil_spill/a...-2010_7-01-pm/
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Old 07-20-2010, 09:24 AM   #16
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Not sure how you're figuring out your math but wouldn't 30/1,000,000 be 30ppm, not 1/30,000? Also, wouldn't the chances of the kid digging in the sand having a petroleum based sunscreen be pretty good, thus concentrating readings in that confined space? And haven't you ever seen a glass container break. It shatters. It looks as if there was a defect in his glass container that caused a clean break when heated.
(Retyping hurriedly after my just written response disappeared when I attempted to post it--next time I'll copy it before I hit "post").

Like Scout said, it is about 30 ppm.

Sunscreen might make the reading higher. As would fuel spills around a marina, or possible oil pollution caused by cleanup boats coming in and out for fuel. A sophisticated analysis technique, for example, GC/mass spec, could differentiate refined products from crude.

The oil will be concentrated on the water's surface, and around the perimeter for the surface, eg. beaches, booms, seawalls, boats, etc. Which is where she sampled in all instances.

Since about 30 ppm is most likely a visible amount, she could have picked her samples where (her unfilmed sampling) revealed visible flecks in the mason jar--that would raise the amount of hydrocarbons by a few ppm. Using an unsterile (previously dipped) mason jar might also.

All that being said, 30 ppm is a lot of oil, and she did collect some of her samples from where people were.

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Old 07-20-2010, 12:40 PM   #17
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Oil spill: Water safe? You'll have to 'wing it' | pnj.com | Pensacola News Journal

Err on the side of safety. The article is about water testing done by UWF and their findings. Evidently the water quality changes everyday when you dip a tiny cup into the gulf of mexico and test it. Imagine that?

I like the guys advice though. Just err on the side of safety till they can come up with some hard facts and testing methods. Or maybe UWF is lying? I doubt it though.

Why are people arguing whether or not there is oil in the water at the beach when you can look down and see it? Sunscreen or not.

Last edited by yakfish; 07-20-2010 at 12:43 PM.
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Old 07-20-2010, 12:41 PM   #18
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If you say so. Reread my post. Wasn't directing the rest of it at you and wasn't meaning to be a smart ass. Really didn't know if the math was correct.

It was not taken as such my friend. I believe we are all on the same side with this mess. Lord knows we are all being affected.
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Old 07-20-2010, 12:50 PM   #19
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Oil spill: Water safe? You'll have to 'wing it' | pnj.com | Pensacola News Journal

Err on the side of safety. The article is about water testing done by UWF and their findings. Evidently the water quality changes everyday when you dip a tiny cup into the gulf of mexico and test it. Imagine that?

.....
Exactly!!!! This stuff moves around all the time and remember that apparently sand is being used to cover up previously contaminated areas. As the kid was digging down, possibly through layers of contamination, the h2o samples there could have had higher levels of contaminates.
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Old 07-26-2010, 06:59 PM   #20
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The water sample that supposedly exploded was from the marina next to the oil boom. When was the last time you took a close look & smelled the water at a marina ? Also the entrance to Mobile Bay looks like a city at night time due to all the vessels out there.
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