DEQ-CFW_00008301

From: Lawyer, Mike [/O=NCMAL/OU=EXCHANGEADMINISTRATIVE GROUP
(FYD|BOHF2]SPDLT)/CN=REOP|ENTS/CN=[W|KE.LAWYER]
Sent: 8/7/20II6:4652PM
To: Michael EJohnson [MichaeiEJohnson@U0\dupont.com]
CC: Henson, Belinda [/o=NCMA|L/ou=ExchangeAdministrative Group
(FYD|BOHFI]3PD[n/cn=Kedpients/cn=be|inda.henson]
Subject: RE: Refrigeration Condenser Coil Cleaner vs. NC 2L Rule
z have been to the site on a few occasions and z do recall the presence of gravel on the facility
grounds.
As far as an unlawful discharge' the facility's mpoes permit is very specific about *hat is allowed to be
discharged and through which outfalls. Any other discharge not covered by the wPoss permit' specifically
a discharge of untreated wastewater directly to surface waters via a conveyance of some kind would likely
be considered an unlawful discharge regardless of other outfalls meeting permit limits. should a spill or
runoff of some kind enter into the site's wastewater system where it is treated and does not cause an
exceedance of any permit limit would be covered by the mposs permit.
_
Michael Lawyer' cPswQ
Environmental specialist
wcoswn-Division of water Quality
Surface water Protection section
Fayetteville Regional office
Direct: (910) 455-]]29
main: (9I0) 433-]]00
Fax: (9I0) 486-0707
e-mail: [e-mail]
Email correspondence to and from this address is subject to the North Carolina Public Records Law and may
be disclosed to third parties unless the content is exempt by statute or other regulation.
---original message -----
From: Michael s 3ohnson [mailto:michael.s.3ohnsonNusA.dupont.rom]
Sent: Tuesday, August 07, 2012 2:25 PM
To: Lawyer, mike
cr: Henson, Belinda
subject: RE: Refrigeration Condenser Coil cleaner vs. mc 2L Rule
Mike:
If you have been to our site, you will remember that the entire site's pervious surfaces in the
production areas are covered with several inches of gravel. so you are correct that the direction of the
rinse water would be downward, through the gravel' into the soil' and then eventually into the surficial
groundwater.
out of curiosity, since this product is comprised of inorganic alkalies, if said product should enter a
water conveyance system that does NOT go to the site's wwrp, but if the pH at the site's final effluent
outfall OOZ stays within the permitted range of 6.0 to 9.0 su, would that be an unlawful discharge?
Mike
Michael E. 3ohnson
Environmental manager
DuPont company
Fayetteville works
(9I0) 678-I15S
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OEQ-CFVV_00008301

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