Mon 10 Mar, 2008 06:42 am
Study Finds Over the Counter Drugs
in Drinking Water in 24 Major U.S. Regions.
LINK
Im familiar with the portions of the study that STroud Research Center did. They did not include maps to enable one to infer the separation distances needed for septic systems.
I was always of the opinion that septic/tile drain systems were just little festering pools of contaminants seeping into the ground water.
As our lab capabilities increase and the quantitation limits approach parts per trillion and parts per quadrillion, will we find more and more crap in our water.
Isnt much that really can be done to remove such minute amounts.
Paranoia ..deep destroyer
I love the listing of what chemicals are associated with which cities.
All this study confirms is that most of US (and worldwide ) drink someones elses pee.
We've studies like that published any couple of months (actually, the waterwworks must do that every month).
What farmerman says:
Quote:As our lab capabilities increase and the quantitation limits approach parts per trillion and parts per quadrillion, will we find more and more crap in our water.
We have a spring fed creek in the mountains. you cant get much more pristine than this. It doesn't meet WHO guidlines.
What ragman said
The annual fallout of PCB had been measured and calculated for a number of years until it became "uncool". The annual fallout into the soil and water surface was about 15micrograms per hectare per month
I don't think "pristine" raw water exists anymore unless you process it right before you use it.
In the US, if youre on a public or muncipal water system serving 1000 people or more, the permitee must submit a "consumer confidence report" to the customers and the reg agency. The report summarizes the frequency of sampling and the results for a particular year > Samples are collected and analyzed from quarterly to every 12 hours,(and hourly spot checks by auto GC and auto ICP) dependent on the size of the water system.
Usually one of the biggest problems are high levels of "Trihalomethanes" , a family of chlorinated organic shemicals that are actually formed by treating the raw water with chlorine.