F r o m : < F r en c h

. Chu ck @ epa m ail

. ep a

. go v>

T o: " S t ei n wu r t z el

, Robe r t N

. " < Robe r t. S t einw u r t z el @ bingha m

. c o m>

CC: "' bill y _n i c h ol s @ u rsc o r p

. c om ' " < bi l l y _ni c hol s @ u rsc o r p

. c o m>

, "' rk e m p @ e n v i r o n c o r p

. c om ' "

< rk e m p @ en v i r on c o r p

. c o m>

, Dan n y G r e ene < Dann y

. G r e e ne @ e r g

. c o m>

, D o nna La zz a r i

< D o nna

. La z z a r i @ e r g

. c o m>

Da t e : 7 / 2 / 2010 3 : 56 PM

S u b j ec t: Re : S e c on d a r y Lea d Sm el t e rs

- I CR f o r t e s t ing

Hi Rob,

Y e s

, we app r o v e t he o v e r all t e s t plan t h a t B ill y Ni c hols

s ub m i t t e d o n 6 / 24 / 2010

. Howe v e r

, we d id n o t s end an " app r o v al le tt e r ".

I n s t e a d

, we t o o k t he in f o rm a t i on f r o m t h e l a t e s t t e s t plan ( t h a t B illy

Ni c hol s s ub m i t t e d t o u s o n 6 / 24 / 2010 ) and c on v e r t e d t he in f o rm a t ion

in t o s epa r a t e I CR le t t e r s and s epa r a t e t e s t plan s f o r e a c h c o m pan y.

T h e s u m o f t he indi v i d ual c o m p a n y T e s t P lan s ( t ha t I e m ail e d o u t t oda y)

s houl d be equ a l t o t he o v e r all t e s t plan t h a t B ill y s ub m i t t ed t o u s on

6 / 24 / 2010

. If y ou do a " cr o ss wal k " b e t wee n t he 6 indi v idu a l " T e st

P lan s " a nd t he o v e r al l p l an t ha t B i ll y s en t u s o n 6 / 24 / 201 0

, t he y s ho u ld

be equi v a l en t an d c on s i s t en t

. I t hin k t he onl y s l i gh t d i f f e r en c es

a r e t ha t f o r s o m e o f t he al t e r na t i v e S C A Q M D o r C A R B m e t hod s we h a d to

add a f oo t n o t e t o c a v e a t a f e w t hing s (s u c h a s m ini m u m s a m p le v o lu m e s).

A n y wa y

, I h o pe t hi s i s s a t i s f a c t o r y

. I f

, on t h e o t he r hand

, y ou f eel

t ha t y ou s t ill need a o v e r all app r o v al le tt e r

, le t m e k now and I w i ll

s ee wha t I c an d o.

T h an k s

, and Ha v e Ni c e J u l y F o u r t h Hol i da y we e k e nd.

Chu ck

F r o m : " S t ei n wu r t z el

, Robe r t N

. " < Robe r t. S t einw u r t z el @ bingha m

. c o m>

T o : Chu c k

F r en c h / R T P / U SE P A

/ U S @ E PA

C c : "' bill y _ni c h o l s @ u rsc o r p

. c om ' " < bil l y

_ ni c hol s @ u rsc o r p

. c o m>

, "' rk e m p @ en v i r o n c o r p

. c om ' "

< rk e m p @ en v i r on c o r p

. c o m>

Da t e : 07 / 02 /

2 010 03 : 02 PM

S ub j e c t : Re : S e c onda ry Lead S m e l t e rs

- I CR f o r t e s t ing

Chu ck

, d i d EP A ap p r o v e t he t e s t plan? I di d no t s ee an a pp r o v al le t t e r.

Rob.

----- O r igi n al M e ss age

-----

F r o m : F r en c h

. Chu ck @ epa m a i l

. e pa

. g ov < F r en c h

. Chu ck @ epa m ai l

. e p a

. g o v>

T o : m a rk

. c u mm ing s @ e x id e

. c om < m a rk

. c u mm ing s @ e x id e

. c o m>C c : Dan n y G r eene < Dann y

. G r e ene @ e r g

. c o m >; S t einwu r t z el

, Robe r t N .;

F a i rc hild

. S u s a n @ epa m ai l

. e p a

. g ov < F ai rc hil d

. S u s an @ e pa m ail

. epa

. go v >;

B ill y _Ni c ho l s @ UR S C o r p

. c om < B ill y _Ni c h o l s @ UR S Co r p

. c o m >; Donna La zz a ri

< D o nna

. La z z a r i @ e r g

. c o m>

S en t : F r i J ul 02 14 : 58 : 08 2010

S ubje c t: S e c onda ry Lead Sm el t e r s

- I CR f o r t e s t ing

Dea r Mr

. Cu m m i ng s,

P lea s e f ind a t t a c h e d b e low a l e t t e r f r o m E P A r eque s t ing

t e s t i n g a t t he S e c ond a r y Lea d F a c ili t ie s owned b y y ou r c o m pan y along

wi t h s e v e r al e n c lo s u r e s

. T hi s t e s t ing r eque s t r e f l e c t s t h e o v e r a ll

ind u s t ry t e s t p r o t o c o l t ha t wa s de v e l oped a f t e r c on s ide r ab le

c on s ul t a t ion and c o m m u n i c a t i on s wi t h A B R m e m be rs o v e r t he pa s t c oup le

m on t h s

. P lea s e c o m ple t e t he t e s t i n g a n d s ub m i t da t a a c c o r d i ng t o t he

m e t hod s a nd s c he d ule ou t lined in t he l e t t e r and en c lo s u r e s

. W e al so

m aile d a ha r d c op y o f

t he m a t e r i a l s t oda y

, w h i c h y ou s houl d r e c ei ve

wi t hin a f e w da ys

. P l ea s e le t m e k now i f y ou ha v e que s t i on s.

T h an k Y ou.

Chu ck F r en c h,

Pr oje c t M a n ager

U

. S

. E PA

, O f f i c e o f A i r Q u a li t y P lanni n g a n d S t anda r ds

S e c t o r P oli c ie s and Pr og r a m D i v i s i on

M e t al s a nd M i n e r al s G r oup

P hone : 91 9

- 541

- 7912

(S ee a t t a c hed f ile : S I G N E D E x id e L t r

. pd f ) (S ee a tt a c h ed f i l e : I CR T E ST

P L A N

- E x id e T e c hnolog i e s Co r p

. do c)(S ee a t t a c he d f ile : 2nd lead

-

E n c lo s u r e s 2 t h r oug h 7

. pd f)

Con f iden t ia l i t y No t i c e : T he in f o r m a t io n i n t hi s e -m ail ( in c luding

a t t a c h m e n t s

, i f an y) i s c on s i d e r ed c o n f i d en t i al and i s i n t e n ded onl y f or

t he r e c ipien t (s) l i s t ed abo v e

. A n y r e v iew

, u s e

, di sc lo s u r e

, di s t r i bu t i on

o r c op y ing o f t hi s e -m ail i s p r o hibi t ed e x c e p t b y o r o n be h al f o f t he

in t ende d r e c ip i en t

. I f y ou ha v e r e c e i v ed t hi s e m ail in e rr o r

, p lea se

no t i f y m e i mm edia t el y b y r ep l y e m ail

, dele t e t h i s e m ai l

, and do not

di sc lo s e i t s c on t en t s t o an y one.

B ingha m M c C u t c hen LL P Ci rc ula r 230 No t i c e : T o e n s u r e c o m pli a n c e wi t h I RS

r equ i r e m e n t s

, w e i n f o rm y ou t ha t an y U

. S

. f ede r a l t a x a d v i c e c on t ained

in t hi s c o mm uni c a t ion i s no t i n t e n ded o r w r i tt en t o be u s ed

, and c annot

be u s ed b y a n y t a x pa y e r

, f o r t he pu r p o s e o f a v oiding an y f ede r al t ax

pen a l t i e s

. A n y le g al ad v i c e e x p r e ss ed in t hi s m e ss age i s being del i v e r ed

t o y o u s ole l y

f o r y o u r u s e in c onne c t ion wi t h t he m a t t e rs add r e ss ed

he r e i n a n d m a y no t b e r e l ied upon b y a n y o t he r pe rs on o r en t i t y o r u s ed

f o r a n y o t he r pu r po s e wi t hou t o u r p r i o r w r i tt en c on s en t.