Both HDPE and PVC are NSF certified. For further information on that certification, you would need to contact NSF.
Arlington does not test soil before the installation of HDPE or PVC as it would not be cost-effective to do so. Most pipe installation occur in residential areas where there is little chance that benzene (most likely from a previously leaking underground storage tank) would be present. As such, testing would not be based on any knowledge or evidence of any contamination and would be an unnecessary cost to borne by Arlington Water Utilities ratepayers.
In areas where a known spill/leak has occurred, AWU will avoid installation of drinking water piping altogether. If that is not possible, piping materials other than PVC and HDPE, such as ductile iron pipe with petrochemical resistant gaskets and copper service lines, would be utilized.
Unfortunately, with your list of questions, I am unable to devote the time to answer them as I have numerous other issues that I must address.
If you have questions on subjects that appear in public records, please submit an Open Records Request.
end 2019 update—————
There are 281 water wells within 5 miles of a legally abandoned Benzene contaminated area. We are near the Cowboy Stadium which is about 1,000 feet from my home on N Elm St. I did an open records request to see the official notifications (to forever NOT drill for potable water) to the well owners for the 5 mile radius for the MSD at the corner of East and Abram St. The City has to notify folks and then they vote to never clean up a known contaminated site in the interest of economic development.
Another one of those water wells belongs to the City of Arlington (I wonder if it is the old mineral well that I was assured that was capped-I never did find out any details on how or when it was capped-guess its not officially capped since Terracon excluded known plugged and abandoned wells from their list of people to contact about this pending MSD…..
“Dear Feil Kim, Your public information you requested:The mineral water well located near the Central Library at 101 W. Abram Street has not been in service since 1984. The water fountain was disconnected at that time…”
FYI on Municipal Setting Designations where the state allows exemption to REMEDIATION on known contamination (ie old gasoline stations etc.. Arlington has drilling as a type of business for potential MSD on their webpage.
These exemptions are in the interest of economic development and collecting taxes compliments of the TCEQ. As usual, I share my love letters and Mr Sallman’s timely response that I boldfaced for emphasis…
—– Forwarded Message —–
From: kim feil <email@example.com>
To: “firstname.lastname@example.org” <email@example.com>
Sent: Thursday, June 20, 2013 11:56 AM
Subject: MSD 12-1 ref project #95127039.2A at 305 N East St, Arlington TX 76011
Mr Sallman, please Ref page 23 where Table 5 titled “Groundwater Sample Analytical Results – VOC’s and TPH” has PCL’s related to soil and not water. Were those thresholds not available for water contamination?
Please also tell me the status of the MSD, where your company reported… “based on the available, analytical data, it is likely that the Contaminents of Concern detected in ground water at the proposed MSD 12-1 site exceed assessment levels off-site as well.”
My interest is that I live at 409 Elm and the Benzene plume probably extends to my property and my husband has cancer in his lymph nodes (they could not find the primary tumor). My teenage son has a VMA biomarker that tested positive that signals to look for an adrenal tumor, and his total lymphocyte percent count is abnormally low on repeated tests.
We drink municipal water that is filtered in our home, but were wondering if you ever conducted air tests on any other MSD’s just to see if any known Benzene detections close to the surface soil is aerosolizing? Your soil testing uncovered Benzene in one of your monitoring areas at 28 times the PST threshold albeit was 12 feet down. I’m still uncomfortable that Benzene was detected so close to my home only 2 feet down ( at 25% of the legal threshold for soil contamination).
Do you have any other info on how MSD’s could be affected with seismic activity of nearby gaswell drilling as this MSD location is extremely close to the Chesapeake drill site. I appreciated the breakdown of the info on the eleven monitoring wells,
but would have liked to see the location of where the wells were because well #3 exceeded the Benzene 544 times the TCEQ PST threshold for water.
I have mixed emotions on if the clean up should have happened because I understand the dynamics of disturbing COC’s and sometimes they are better off waiting for nature to attenuate which could be up to 200 years for Petroleum related VOC’s. I’m not sure about how long the arsenic or lead natural clean up takes. Thank you for updating me and providing me with any other feedback you may have in this matter.
Kim Feil ————–
John B. Sallman, P.G.
Senior Principal I
Assistant Director of Environmental Services
Terracon Consultants, Inc.