| June 2, 2004 -- Vol. 5, No. 22
Sign in china shop:
"Break it, you buy
it!" Sign at
water utility: "Break
it, you boil it!"
something for everyone... but
Another bit of TTHM - fetal
shows... ???? We
get our switches in order as
DC begins test-area treatment
for lead control...
but what chemical will be
used? Seven-year itch
gets scratched: EPA levies
largest ever SDWA
on smallish California water
company. Water security
training is front and
responsibilities do public
water systems have re: disclosure
in real-estate deals?
Just as where there's smoke,
there're attorneys. Debate
in NYC: How big must the
shell be to make it a
shellfish... and not kosher?
"Our Slip is
Showing": In last week's NEWS, our headline
link on a Washington Post story about the Lead
situation in DC mistakenly stated that the recent
lower lead sample results occurred after a switch
FROM Chlorine TO Chloramines... which, of course, was
wrong. The recent switch was a
temporary, one-month long switch from chloramines to
free chlorine (a practice utilities often use to
avoid various problems such as nitrification, growth
in the distribution system, etc). As the
article pointed out, the Washington utility had
started using chloramines in 2002
to lower disinfection byproduct levels.
about zinc in Virginia city's wastewater results in switch
to phosphoric acid by DC water agencies for
(Washington Post, May 27 - free registration required) "Test-area"
treatment begins in DC (Washington Post, May
31 - free registration required)
The decision to change to using phosphoric acid
instead of zinc orthophosphate at the Corps of
Engineers-operated water treatment plants is
interesting. In assuring the politicians that
the change was NOT based on cost (the acid is 30%
cheaper), top agents of EPA, C. of E. and WASA are
said to have favored the acid over the zinc compound
originally, but their "technical advisors"
had overruled them because the industry experience
was with the zinc form. What experience has
there been with phosphoric acid? Presumably
the "test-area" treatment will use the
acid they intend to use system-wide?
school gets OK lead results from coolers... after
many months... and after 5 minute flush?
(Taunton Gazette, May 30)
TCE and Litigation
Disclosure of Water Contamination?
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