DEQ-CFW_00082091

DuPont Fkmmprokai�
FaYetlevffle, INIC 21306-7332
MICDr. Gil Vinzarn
NEIINT-11 - D-vision of Water Qua 1.
hty
NIT- DES Un it
1617 Mail Service Center
Ralcigh,NIm-th Carcylina.21f699-1617
SUBJECT: Changus of Discharg C ge ofToxic Substai I n es
NPDES Perinit No. NC0003573
Dear Mr, Vlnzam'
' is letter is the W'dItc-ii notification, is required by Part 111.(C)(b) of the subject NPI)ES
pert -nit, of the discharge of a pollutant from the DuPont Company --- Fayetteville Works, which is
not filx, tcd .i-li the permit,
DuPont has determined drat fluoroi-rial€ nate. is being dischar.god, from the, site's wastowater
tTemmem piant at a comeraran.on excee-ding the notakauum level of 0,�-,O m
I , 1, Specified in
Part I.H(C)(b)(1) the INTDES permit. Recetit analysis of the treabimit plant-s clarifier effluent
showed the fluorommlonate concentration as high as 0.97 na&fL
11 ezv11 11 14 1 f, 11 4 1 1 1 1
P, at WVUW Aikciy ixUKMOP(Aasslufill
(CAS No11071-37-9) or uNpotassium fluorom.-florat-, (CAS
[epending on. the p.1-1, ffit compountt 11 Ule "ape Pear River would be ether fluoromalortic acid
(C' No. 473-87-0), n-ion.oputassiur of dipotassitim fluoi-omalonate,
FD tn
"ro
cc.,J B-li,�ida Hc�nsor, NCDE-NrR, DWQ, FRO
H. de Nst do Nemom and Crompativ
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DEQ-CFW-00082091