## EXAMPLE #2 CITED IN PUBLIC COMMENT:

EPA REGIO N IX WA S TE MANAGEME N T DIVISIO N, RCRA E N FOR CE MENT OFFI C E, RCRA COMPLIA N CE E VALUAT ION I NS PE C TION R E PORT FOR 

### .BHP COPPER SAN MA N UEL FA C ILI TY (APRIL 8, 2002) {U N OFFICIAL COPY)UNITEO STATES ENVI"ONMINTAL PROTECTION AG!NCY AIGIC* 'X 71 HIWChome ltnlt atn Pr'IIIICIICCI, CA 1410! .,.

CERTrFtF.n MAll. N0

. 70001A700009l1729g75 

### RETURN RECEIPT REQUESTED 4Dnl a. 2002 

### Jeff J
. Parker Manaa•r. EnvirQnmontml Afl"oirs 

### BHP Capper P
. O

. BoxM
. San M:mucl, AZ 8S63l J 

### n reply

. refer 

### to 

### WST

.. J



### W11ming Letter nnd Ccct j fis;gtjon orVio!atjon 

### Correction forBijf 

## CAPPel Ue:.tr Mr. Parker : Frorn Aug\lst 7-ll, 

### 2000

. a hUZJlrdow 

### waste investigation 

### was conducted by**reprcsenta ~**  tive s of the United Sl(ltfl En v lronmentnl Protection A¥'itlOY (U.S

. BPI\ ' ) ot BHP Copper (herein 

### refcm!d to as "BHP" or "the 

### f».cillty'r) !Cleated in San**Manue~** 

### AZ, U.S. EPA Identification Number AZD t>Ol UCS .597. A s amplins event was subsequently conducted on Septemba· · 21. 

### '2000

. 

### During the course 

### or th i ! 

### investiption , information 

### was gathered in**ac:cord~~nee** with 

### Section 3007 of the Resource 

### Consl!mllion and Recovery Act 

### (RCRA), as amcnded

. [42 U.S.C. "Q27J

. 

### A 

### cupy uf lht:**inv~st gution**  

### report is 

### c:nclosc:d for your 

### lnfornuttion and 

### response .**Th~** 

### report**describe ~** **condition~** 

### ut the 

### facility nl 

### the 

### time of the**inv~1igation.** 

### and 1dentit1es areas of**non~ompllan~:e** 

### with RCRA regulacil)ns**~&nd** 

### potential 

### violations of the 

### Arizona authorized program 'Undor R C R.A 

### Sub\ithl C

. Any**omi~Sit)ns** In 

### the repon shall not be construt4 us a 

### dctc:rminntion of compliance with 

### all applicable**~gulations .**  BHP 's 

### prompt responl5e , dated Ausust 

### 24, 2000, 'a dequately addreswu the**co~tingency** 

### plan ar.d training plan potl!ntiul viulutions noted in the report
. In addition. 

### s\nce BHP 

### ceased operations in 1999. 

### it I s no**lonJ&~r** 

### tn:atina 4 

### land**di~sal ~tricted**  

### waste (i

. e . 11cid plant 

### bluwdown) 

### by d i lution, d 

### potential violation also noted in lhe report. ·**w~** 

### apolozize for t he 

### del11y in issuing this report
. Scvenil 

### ofthe 

### rcau l atory iSsues addressed In 

### the! report wen:**inl1u~ced** 

### by 

### recent rc:gulacory chaniCI 01nd court 

### dec&sions

. :w1 

### were similar tn issues affecting ojher industry fncllitics. W.: took additional time 

### to en1urc the \:onsistcncy 

# ur nur conclusions given these c;bnnges and similarities. While thia effort cuntrib· utod to**th~:** dcl:1y in i' suing tht 

### report , we be l ie v e 

### th n t it**:~l o**  

### contribuled to the qunlity of 

### our**unulysi:~.** 

### We welcome: a11y I Jpdared 

### information yo11 

### wish ta submit.LS9£**S~S:** OZ5 

## 8 A ldd ns dHB

By c opy 

### ot' rhi:t lc:tt\Or, U
. S

. EPA i' 

### provlduiKlhe SL\'&lc: 

### uf Ari:tUna wllh 

### nodc

. e of 

### the 

### referenced vinlatlun of 

### Subt i tle C 

### of RCRA

. U
. S. EPA is 

### also provid J na the 

### State with notice that 

### it intends to rakt 

### nu fu rther enforcement 

### attlon for the 

### violation 

### noted. The State of Arizona 

### may notify U
. S. EPA of its intent to assume or declh1e**rc.'\('IOn~ibility** 

### ro take fmth.er**su~tJon** to 

### address the referenced fed e r al violstian. U.S. I.H'A routinely provides 

### copies**ofirtv~tiption** reports to State 1&1C:R\Oic11, 

### and upon request, to 

### me public

. Such rel.ellSe S**a~** bandlcd ICCOl'ding to the Freedom 

### or rnrormation Act 

### regulatfons ( 40 CFR Pllrt 2 ). 

### (f y ou believe this r@Ort contain s privileged 

### or coofidl:ndal 

### information. you may make 

### 11 claim within fifteen (1 S) 

### calendnr days from the 

### date of th i s letter

. L

l.S. EPA 

### will construe y ou r**l\ilu~ t~**  furnish ll timoly cla i m**11~** u wniver of the confldenthdity 

### claim. 

### BHP should continue to take the neces&axy 

### steps to mainta i n and 

### ensure**compJi~t** 

### with nll**ppli abt~** **F~ml ,** **S~t ~**  

### and local envitOI\!t\ental requirements

. 

### lf 

### you ha\'e 

### que3tions related 

### to**tt~ehnical** aspec ts 

### of**lh~t** inve:>tigation 

### raport or 

### thi5 lcngr , ph:a.'1 e (Onra c t**K~oN** Morimoto 

### a t 

### ( 415)**972-33~** 

## or Barry Cofer

. nt (415) 

### 972-3303.

Enc :


### cc· . laura M:llonc. ADEQ (w/ o t nc.) Sincerely ,



### Fram:es Schultz, Manaacr RCRA 

### enforct!ment OfficeUNITED STATIIINV1"0NMINTAL PROT!CTION AOEHCY RIQION IX



### Purpoet: Pac:illty :**Pa~u** ity Address: Facility Mailing Address:
EPA JD Nwnbcr. Dates of**11w~L 9"tiun** **:** 

### EPA**R.cpn:s-:ntnLiv~:**

FaciUty Repre!lentatives: 711Hadorne..._ SUI PnMieeo , CA t4101 

### WASTE MANAOEM!NT OCVTSlON



### RCRA 

### ENFORCEMSNT Of:F1CE


### RCRA Compliance Evaluation Inspection 

### BHP Copper 200 South RedJnpm .Road SM.U MmueJ, AZ 8563 1 

### P.O

. BoxM Snn Mnnuel , AZ**~5631** 

### AZD 00 J 

### 886**~97** 

### August 7 ·11, 2000**S~tembcr** 21 , 2000

·**Kaor~** Murimuto



### EnvironmenUll Engineer (4lS) 972.3306 

### DtrryCofer Environmental Protc: c.:ti on Specialist (4J**~)** 

### 972

- 3303**Fnn~cs** Sohultz Manager , RCRA Enforcement 

### Office: (41$) 972·3297 Jeff J
. 

### Pnr1cer Manaacr. Environmc:ntA\ Affairs**(~20) 3~5·3~81**  

### . 

### Ja.mes Glasston Envfranm•ntnf CoardJna<or (520)**38j 35~2**  Norm GrtNnwalrl 

### GteenWRid Assoc i ntes (G02) 577 ·5 621

LS9i S8i: OZS 

## S

### Rcpon PRpartd By ;**DateofR~ :** 

2 BuwnDay 

### Bryan Cave LLP (602) 364-7403 Kaoru Morimoto Marth 6, 2002

L

S

9£ 58£ OZS 

## &84CK.CROUNDt BHF 

### Copper**(h~rein** ret'erred 

### to as ''BHP,. or .. 

### the facility,.), locucd in San 

### M111uel, Arizona. conducted min11rlll prcel!ssing**o~tianc** (smeltin1 and reflniaa 

# or eopp1r) until June 

### 1999. A 

### dlasrnm of th-: 

### tneility ia 

### provided as 

### At1achmcm N2

. 

### Tbit facility 

### hu 

### b-=1m in can: 

### and**maintenan~** 

### since 

### June 1999 cx.acpt for**~e** 

### operations conuu\:ll:\l au t ht: SX/EW

. The !RU:ller 

### wu shut down on May l, 1999

. Per!onnelat BHl' was**~duced** 

### tom 3

. 500 to 190

. [n t he mo.st r.:cc:nt nodfic01tic:m Fof11'lt**•~bmittad** June 6. 1996, BHP ln dicutcd thc:y wgrc • 

### large quantity generator orhazardous waste
. iNVESTIGATION: Fram Au(l\llt 7 , 2000- August 11,2000,11 RCRJ\ Complinnce Evnluotlon**In~cnion** 

### (CEt) 

### was conducted hy**insp~ctors** 

### from the 

### Un i ted States Environmmtal Protection 

### Agency (U

. S

. EPA). The purpose or the tMpectlon 

### was [0 

### dctennine the compJlance of HHP 

### with hazardous wute 

### regulations in 40 Code**ofF~l** 

### Resulatinns (CFR) Subtitle 

### C Ulld**th~ ~guhnion!4**  

### adopted by 

### the: AritoM 

### authot•ized program undt:r 

### RCRA Subtitle C in 

### Arizona**Anmi"i~ITMi"e** Code**(AAC) ~**  Tit1• 18, Chapter 8 , A.niele 2

. A CEI uf BHP wus prtv \ ously conducted by the Ari<mna 

### Despanment Qf 

### !nvtronmental Quality (ADEQ) 

### on**Nov~mber** 

### 2, l 994

. Gcamllnfnunotipn · 

### The**pr~t:l!i** inl'brmation 

### provided**~low** supplementll4 

### ttle 

### pruccsa iofonnatlon**provi~u** 

### in the facilitfs 

### July 14. 2000**ru~nlle** 

### to EPA's 3007(11) 

### infonnation request (Anachmcnt 

### #3)

. 

### The additionlll information detail!!d below inQiudcs clarifications and additional process in formation obtained**durin~** and**'"'~eq\M:nt** to tho lnt.,-ction

.**DZL:~cd** upon inli:Jnnation**~lllln::tc:u** uurhl¥ lhc**irufpc~o;liun,** the BHF**CopperS~** Manuel 

### Operarions Production Flow Chart (fnund In AOKluucnt 

### tJ) was 

### modified to**~fleet** 

### cum:nt ope r ations

. The rcviSt!d prllCtss flow sheet 

### crented by BPA i111 enclosed as Attacbmgt 

### tM.
Colluatrate 

### Stonsc : lDcpmjni mat;xtal : Past :**Concentrac~ .**  scrubber duns, ps cleaning system dusts 

### (stored on a eoncmc pad)

.**Pr~ent:** 

### Concentrate (6,000 tons), 

### stored adjacwnt to the 

### n•w Concentrate Storaae Buildln¥**(~ee** phote&nlPl11 #L·2)

. 

### Subsequenc to the**lna~tion,** this mlltfi&l 

### was sold to :1 

### German conrpany . ·

l.S9i:**58~** OZS 

## 8 ,J.lddnS dH8

### Parr. FJuh furnace feed. Present: 

### No act i vity. 

### Additional Ersrcess informatjgn: 

### (Supplements information on 

### pages 6· 7 of 

### AIJiehmcnt #J1.
• In the future, c:oncentrnte and converter dusts 

### will 

### be stored in 

### lhc new Cnncentl'llte 

### Storage building

. This bu\lding was 

### ttes;ancd to store 40,000 tons**of~onceutrate.** 

### • When BHP was 

### operatini, tbc smelter UMd aJl11rox1mately 

### 4,000 tons 

### of concentrate per day.

• Analytical rcsultto of concentrate 

### from 1n EPA sampling 

### event are provlded in 

### Attaebment**~S** (s; am plc 

### lD BHP0-4). Sample 

### ID BHPOS 

### was for a duplicate sample. 

### Sample ID BHP06 was for a blind**spik~.** 

### Sample ID BHP07 

### wu for a field 

### blank.
• EPA analYtical results of the berm alongside**th~** 

### concentrate storaJe area are provided 

### in 

### A!ti'&hrosmt#S (sample 

### IO BHP08)

.

Issue t# 1 : 

### Analyticlll results 

### show that "re\'ertJ

.. 

### from eoppcr Jmelting 

### operations can be 

### chamcteliRticlllly 

### hazardous for 

### lead and cadmium

. and can 

### contain 50% 

### copper. rf the rc-vc=rt mAt-er i al**hat~** ITlliCb 

### hisn• r com:emmtions 

### at eoppr:r and toxic m•tal.1 thnn 

# we ore , l11 

### re -i ntroduction of 

### the revert**m~terial** into the smelter proce ss**lr:gilirne~U:'?**


### The copper ore 

### typically c onta i ns approximately 0.3 % m 0

. 6% copper . BliP 's July 14 , l01)0 

### aubminnl sta[cd that**th~ir** copper conccntralc nuruc: from the: 

### on: ils 

### approximately 30'/b 

### copper, 

### and 

### dcds not 

### exceed any of 

### the toxicity 

### charac:tcrislics (ace Attachcunt 

### II]). Afte r smelting, the copper anodes contain approxima t ely 

### 99
. 9% eupper . During 

### the smelting procc:ss , 

### the: smelter opcr . uol"!' 

### generntc a variety of 

### copper-bearing m.ocerio ls 

### they call

..**revert~** 

### .. . for tbe 

### purposes of tt.ais discush i uu , 

### we: we diviwng 

### r=vertlJ into 

### two broad cate1oric:s :

•**"La.r~t~"** reverts : Fairly**l~rge ,**  dense and aolid plec:ll of n,etal or J'rimarily matalJLc material (in(lluding slag, t1Hltte, and blister copper) 1cncrated from the 

### coolina of molten metal that baa csc:apcd or been rr;movtd f.rom th• srneltin.g or convenins process. This e•tcgocy 

### ot revens indudc me rat that 

### bu cooled 

### on 

### the inside of 

### ladl11s (skulls), drips and 

### spills !rom the hillldltng of 

### molten metal, and hish-.copper 

### cona:nr material lbat has · been 

### skimmed from the 

### turface of cC)nvertors. · · ·

LS9£ SB£ OZS 

## 8 AlddnS dH8. •**"Pin~"** rcvert11: C u oled c:o ppcr from !lmDiltr !plAshes**~n\1** dr i pt, alona wiCh copper beachlj 

### sands, mud , sweepings, 

### water !Sump solid s ,**~t .**  1enuoced 

### during or subsequent to 

### the smelting 

### proc:ns . These reverts are finer in part l C'Ie s ize than the 

### oUen louse and solid 

### pite• of 

### metallic c:aPJ)er 

### diJcua.wi above

. B•c:aU3o dlo in i tialc:onc•ntrotion 

### o t c:oppor ia the: on: Is**~o** low, matuials 

## m.t \:oWcJ be 

### c:ons idered "waste. l ike" in ocher industries (aolids ftom the bottom of sumps. etc
. ) -contain copper 

### values**s~veral** 

### orders of magnitude 

### higher lban 

### tbe 

### ore. aHP cons1den the re .. introducrion of revert s ns a means of recoverin 

### 1 copper 

### that would otherwise c9cape 

### ftom the 

### arMlter processe s. The 

### 1ame grinding , flotation, and smeiUng 

### processes that 

### c onccntrute cbe 

### copper presenr in the ore**al v** **~uu~,;c:r11ru1e th~**  

### arsenlc, lead. mm:ury, and ocher 

### Toxicity Chonctertstic 

### metals 

### prcaent in 

### the ore.**Th~~** 

### toxic metals are concentrated into 

### the reverts along 

### witb the copper. 

### Reverts are u.tmatly ll!U:l)lrd for**copp~r** content 

### but not for toxi c mttab , because the smelter 

### does not con1 i der reverb; a waste
. The large 

### reverts ,**S~)metlmes** 

### catlcd 

### " cobble ' '. are usually generated i.n 

### or adj ac ent 

### to the 

### converter aialc

. They typ i cally contain over 

### .50% eopper . 

### Afbtr any ne e ded 

### CtUshina and si.zing, 

### the majority of 

### the la1]1! 

### reverts 

### are**~ither** 

### fed 

### directly i nto the**fuma~e** 

### or ure 

### used in the C'lOrtVI!Iters a 1 "coiJ

- dtlpe ". "fh,: unso i ny**cll~lions** in tha QOnVeM12r.l are l))t(llbC:tmiC, &nd the I.: Oid mero.l pie«m arc used

.. , ·' dope " to contrOl the

. temperature 

### inside tbe 

### converter s . These 

### large revem are requirod 

### for I 

### he ongoing 

### opemtion of the coovertert,**~nd** 

### are 

### stored. bought. o r sold hy 11tneher s depending o n n•ed

. 

### The**/11~ rev~rts**  are often atonsd on the iround 1 end**we~** not heing**f1 P.** **t1t11 tively**  aecnmulawu at the tlme of the im•p•c:tlona. In c ontrA.!%,**rbc:fol~** 

### reverts a n: rc:u:haJ 

### cithtr by 

### bltmdlng them uno the smelter t'tedstock 

### or at the solids 

### recovery plan t d-=ptrnding on 

### their copper cot\tent. 

### The ji'fe 

### revens are collected 

### from (!ra i n und process 

### s ump s , veh i cle wasllmcks , rainwater run-off sumps. 

### converter dust boJtes. convvrter**ai~l• ni** **. m.elt** **r** lll'ell**w~,** ete
. Thcj111t rcvcl1 S huvc: 11 u u nkt:t 

### valur:, 1rc 

### usually stored on**[h~** 

### &round. and 

## were not 

### being**specul~tively** 

### accumulated durin& our inspcttions

. 

### Tbcflne**r~vesrts** sampled durina**~he** 

### i nvestiea t ion cantnined n pproxlmntely .40% copper and excc c duc.l**th~t** Toxlclcy Characteristics for l ead and eadmium

. BHP oon ,. ider**Jitt~t even~**  c:nnt:.iniftS n I ittl e a s 3 % <:oppe r st.a i lablc for bleodina into the concentrate
.

1 40 CFR § 26 I
. 4(n) ( 1'7) require ., ce : uin bl&ndli.n8 Gnd**orAa. c:**  pru d icc:a fa t min•ral procelt!lins secondatY materid!s

. 110 CFR 

# * 261
. 2Cel(Jl, u codlfi•d. ref•ntnc:ed**thtt ~**  requirement." rn .. .**miner~~J** 

### process i na secoridary rnatcri:Us UJiU 

### ace rec l a

i med

. 

### The "Bantry" decis i on (Association 

### ofBatkry**Rec:yclen~ ,**  fn c. cor**I** " · Un i ted StaNt**&n~tironmenral** Protcotion**As.:n~y,** (D

. C

. C i r . N'o

. 9$-l368), dl:cldcd April 2 t, 2000 )**~vouide** the rc:fen:ncc 

### cu 40 CFR § 261.4(aX 17) for**~haractaist c-only**  mJterials (sUet\ 1$ Die f'lne re't'W'to) that cu · • "ot**:~ ulld**  wutcJ whc:n reclaimed

. 

# '**lS9~** 

### SS£ 

### OZS 

## 8

. A.1ddnS dHB

### Aoab'ais god 

### lnt;rnwtatign; 

### We have determined 

### thai rhe 

### la.,.,t reveru aro t)-[)ically &llc:d by 

### returning them directly into the onaoing .!fmeltinK pmeess. EssenriaJiy,**rh~y** Are pfeees of copper beias Uzsed as copper. 

### Molten mttal spilled 

### onto smelter floors 

# u not nsoJid waste if 

### it 

### is picked up u pnctJcaland placed bade into the sm•lting proce.:SS {6.3 Fit 28S8J)

. We**bav~** t.lc:h:nninc:d that tb

_ o 

### /a'ie revens 

### oreobble, if not 

### speculatively accumulated, are not solid wastes 

### when uaed in 

### lhha mao.ner. 

### The status of the fine 

### reverts apt'C3fS to 

### require a more detailed analysis.

. 

### Material a are 

### not solid wastes when they are legitimately recycled by 

### being

.. used or reused" as an ingredient in an industri3l 

### procttu to make 4 product, pro'lidcd the 

### materials arc not**bd.ra~** .. reclaJmed'' 

### (ctO 

### CFR § 261

. 2(e)( 

### I }(i)). 

### Materials arc .. used 

### or rcusttd" if 

### they rue · • ... 

### employed cu ctn lnlfl'edlenr

... ln an 

### lndu

. vtr/al 

### process ro 

### make a prQduct

. .. 

### "except where

..... distinct components of the**IJtat~rial** art**r~covered** 

### aR 

### sq,arate end products 

### (as**wJr~m ml!tnl** **~** (lr• ,.cov.l'ed 

### from 

### mltaf.containl'ng Sl!C.Oildary 

### matoria/1)

.. . "(40 

### CPR§ 26 

### t**.l(c)(~)(i),** 

### ctnph4ais 

### adc!cd), 

### 40 CFR § 261

. l(c){4) 

### deflne11

.. realaimtd" as: "A m4terlal 

### Lr ''• · t:daimerl"lfit 1 ' 3 ·**prvc:~uer.l** zo rtcoller a 

### usahlt 

### produc.•t , or 

## if it 11 l'i!generaled. E..-camp/19 

### arr. ftfCO\ltl1'}1**~1** buul 

### va/u1s**ji'OIH ~,.':'1**  butrtrfes

... " 

### ThLtS , because the copper amelter .recovers copper from the 

### reverts as a separate**~nd** 

### product, 

### and a\ so because this recovery C01l!titutH**~lamation.** 

### th!**rev~m** do nat 

### qualify foT 

### the "used or reused'' !olid waste cxclu.t;ion in 40 CFR 

## 0 261.2(e}( l)(i)

. The 

### fine reverts are not 

### listed hazardoUi wastes 

### and are not 

### speculat i vely accumulated 

### by DriP

. Therefo r e, whc:lhtr 

### rhey are 

### considered "b)'·product3 " 

### as defined in 40 CFR 

### § 261.l(c)(J), 

### "sludp(s)" 

### u defined 

### in 40 

### CFR § 

### 260.10, or mineral processing 11 Secondelry 

### materials"**(s;~t!** 40 

### CFR 

### § 26 I

. 4(aX J 

### 7)), the 

### fine reverts an: not solid wastes when legitimately rcclaimell 

### by the smelting J'l't)Cess (40 CFR 

### § 261.2(e)(l))

.**TI1~ 4LR:~tiun**  

### now becomes: Are the 

### fine 

### revc:rt& legitimately rccla.imed by the 

### smelting 

### proce!s? The smeltjng 

### process clearly 

### recovers the copper 

### value Jn the revert.t;. Orte critl!rion in 

### datettnining 

### the legitimacy of rec l amation 

### is whether there are "toxics alons for tht 

### ride"

. .: EPA bas stated:**"Situati(tn ~** **mo.rt/1/c~~v** to he**tle~m11J** sham rocyclbt)J would, 1h11.s,**b~** theMe fnvol\'lng low amounts 

### of ff.>crJwrab/e material plus /Itt 

### preJenct of 

### non·contribuiln.g lrazQI'dou.s**ccnutllwc:nt~** in**th~** wa.TtE (parlicuJarly lru.urcluus 

### consrttJAents not orheN. • n · e 

### P"ruent 111 

### tlte lformlll Jeed1toc/c of tiJe proctsJ). " (63 FR 28587} · 

### As noted, the .fine reverts contain significant Amounts 

### of copper . Cadmium :tnd lad , 

### which the**fin~ rev~rts**  

### contain in <:oncc:ntrationl 

### that exceed 

### the Toxicity CharllCtcristic , 

### are non-contributing hCllntdow cM:ttitucnta { !te 

### Attachment H,5l.**Huw~vc:r ,**  

### cadmium and lead are 

### J'resent in rhe nom1al feedstock of the**~mcess,** 

### and 

### the same smelting processes thot 

### concentrate copper into the 

### reverts also conecn[rDtt! 

### the heavy metals

. ' Although the: cadmium 

### and lead arc

2 See 53 

### FR .522 (I/818M), 52 FR 170lJ (5/6/,.7)

. 

### And 50 FR lil8 ( 114185) for**~xamplu** of 

### recyclins Jeaitlmacy criteriL ) L' lllikc some of the s econdafl' material II re}Jortcdly uti 

### Jized in the smclrin& of other**me~al&** (Cillhodl nl)' rubllt halnJC.NShed Bt lend sme l ters, C:tC.), thCjlllc RYCN llfC 8C:Il1111141t:\l uurin1 thl <:Opper 6.. a(nng t(,. t M nd • ", th•flm• NV9tU arv**~{ftl ntrodUC~**  illtO the**SmCitinwrecla~ltlOD** proceU 

### primar i ly ro 

### reclllim their hlsh 

### copper c:ontent, 

### not a:. a 

### sham mean! o f dispo•ins 

### of cadmium 

### and lead. Thull ,**th~** 

### Jln c n!Verts ar e bcinS legi t imately 

### reclaimed in the 

### smelter

.

flaSh 

## furnace:

P

a:tt; 

### ttuma c c reecs :**sU ic** **:~ flux~** **"bl~nd** 

### p il e' ' 

### material (i tems reh : aacd durin& mnnagement which have**b~en** clean.d 

### up)

. Presen t: No act i v i ty
. Qy•ao

. ina matsda l ;

Present : No act i vity

. 

### AddjtiQPAl P r ocess infonnation; ( Suf'plementt infotmat i on on I' " P: :t 7·1 2 of An&Cbmeot tt J >.



### N

one .

· Jncomina matcrlal: Pnst : O x ygen : matte from flngh furnace**(ma~** nvtn }'.**convcrt~r** 3pillagc ; attoclc: MIMi; 

### s ilica 

### flwc ; cold dope**bbl es,** **~~~~'** 

### etc. ) reverts ; sp4:ntlrcject anode!: f o u l cothodu: spe i as . Pn:scm: No 

### activity

.

a

meltlna process and d1e tox i c**net~ls** found l.n**rbojt~rr** rcvcru appear to have 

### primarily oriaiaated from the

. ore. S i nce**c'd~rum** is already rratent i n tlw ametw C'e.d, 1he**~ycll111** of the rewuvel; srnllll quanri ti u llf**re ert.~~**  i n t

o the feed i s unlilcc l y to
.. s i &n i Rcandy afftet

.. (see 40 CPR § 266

. 112} the BcvUIexempt**etlfl~r** am•lt i n.a ul•s · 7



### LS9£ 

### S8i OZS 

## 8**~1dd0S d~S** 

### Out&aiua 

### N'•ti•l: Past : Slas; 50 1 

### gas; 

### converter brick; 

### bUsrer 

### copper: white metnl. Present: No activit)'. 

### Additional Process informotjan : (S u pP l etnenta ln(onnat i on on pap J 2- 1 7 

### of Atw:lmtppt fQ)

. • Determinations we"' made for uac of the slJica bead and quart7. ror.fc ttu\t**we~** ba"d on the pcrc:entaac: of ail 

### i ta conten t 1n 

### t he material. Jfit**wa.~** 

### under 

### SOOA silica content. the mareriAI wu not used as null:.


### • The**c:on~crtt:r** bricks 

### were replaced e\fet'y**3~4** C)'tles 

### (approximately five months at 2 eye: leal day).


### • The 

### fAcility is !!quipped 

### with four oaftvcrtcn (sec 

### photosraphs tf. 3

- <5)

. • Analytial resultS of dust**~md** otller material from the converter aisle ire provided in**Attachment#~** 

### (sample JD BHPO 1 and BHP02 respectively)

. 

### Canmer Roaulatory 

### hsucs : f51NC: fll 1: OHP U$ c a .l spent slltea lmprean11C<1 with vanadium**penlo lli** **d~** t1 3 a 

### aubsti&ute Cor mined si l ica

. ls 

### th i s practicD lo<imatc?
VanQdlum pcntof'tide (V 1 0,) is U3eU ti • catlll)'lt Jn che acid J11ant's convertins ' towcr to 

### conven SOJ 

### sas into 

### so) yus . The V Wtadium pcntoxidc**~ mp~)Ulaled**  

### in t o silica**~ads** 

### supported by 

### a bed of quartt rock, After a 

### period of time the physical 

### size of 

### tbe silic:a beads becomes 

### $ffii\H enough to inhihit lhe 

### flow of gcu 

### through the 

### c:lta l yst bed

.**Th~** undersized b e a d s 

### and pteet! of beads (''fines' ' ) are 

### physic:al)y !creenl!d out of the 

### cottalys t btd. 

### The coarse material• are reused 

### in the convcrtius 

### tower. Approximately**30~0** 

### tons of used 

### catalyst fines and quam rock are produced 1 v ery 18

- 24 manttu
. The used cata l yst fines are 

### lYJ'iC:ally 

### stored ln tarse wn"tn fiber c:ontainers c:a.llc:d**supc~~~~** • 1nd were not 

### being**~pecutativcly** 

### accumulated at the time of iDSpection

. 

### RHP d id 

### not have ,;pont cat3ly5t fines 

### on·.titc or available fof sa1uplinij ut die tlmt 

### of our 

### inspections

. 

## BHP stated 1h.at 

### they had 

### never tetted the catalyst fines for the RCRA**to~ticity** chuactcristic:s, 

### asnd noted**~uch** tesLCJ 

### are not 

### requtred 1br 

### rnatcrinls that nre not 

### soJid

. wastes
. BHP alao determined tlult 1bc clltalyst finn arc as effective 1 

### fluxing aacnt as the cru . ,ht'.d siliu from mines that**~** normally used In the smtltet feed , and that the 

### catalyst 

### fines are directly**used~** an inaredlenr ( sHieR) i n the smelrer**fc~d ;**  tbua, the underai.ud silica bca<b wen: never a**~Wlid** waste. 

### The**ftn~** 

### contsin &J)prc"imately ?016 Vl.lltdlum pentoxide , about 

### the**~n'lc** 

### prrcentase aa 

### the new iltlprosmtcd bcaJ s.**V~madlum** penroxlde is a commen:ial chemical product li.tted in 40 CPR § 

### 261.31 a.• a cute h:l7.ardou!\ ..Wstc:**numb.:~'** 'P 120 itAod 

### wbGn dii\Oiuded or I ntended to he 8di&carded. 

### lHiP**r~po rt** **od** 

### Uu: l, ; nJshcd, sllica 4 

### eontaintns quartz rock is 

### routinely used In 

### tbe smeJtar 

### feed u a .. flux" 

### to "
. .. co1Jfbllft w i th 

### iHJ" DJtd alum;nttfrom tllft**con entrat~J**  

### ormott11**t~ttd** 

### nJtWv• 

### tr cu 

### .slag .· · {s e e definition of flyx,**pag~** 

### 2. AttachwmtJ3)

. BHP 

### uses the 

### vonadiwn pentoxide imtJtelll\lted 

### s ilion tlnes a. " a Auhi t itutao 

### tbr silica sand mined from 

### qwartz
. The lll i ncd 

### silica sand 

### does n o r 

### appe11r lCJ 

### bC' c h or.Jcterisric 

### ror t o)[ic 

### metals ot 

### e ontn in dete c tab l e l4tvei.J 

## ot vanad i um**~tooUcM.** 

### Itaugh calculations indieatc: that 

### rhe vanadhml 

### poncoxlde in 

### the**~ilica** 

### is about 00.00025% of 

### the tota l feedatoclc UJed**h~ lh~**  s mc1tu**e~b** 

### year . 11\t boilingl)Oint o f varntdium il 

### much 

### higber1ban the work i ng tempcrarure of 

### the cc)pper**~meUina** 

### fumace , which**indi~ate.s** 

### the v anad i um i n the 

### spcnl**~atalyst** fines will 

### not vaporize and cnrcr**rh~** 

### furnace exhaust stack. 

### ln.stea.d, tl\e vanadium pentoxide witJ 

### likely ckomicall y n:dut!! 

### m the fumRce 

### ro a vanadium meutl, and would be removed 

### (: alon25 with 

### iron and 

### alum i na} In 

### 'he Bc:v i ll4exempt 

### s las

. 

### Petrol e um reftneries al&o use 

### vanad i um catnlysrs to conven**SO~** 

### pe into 

## sol au . The**--r~ r**  v&Md i um 

### ccnatysts uaod 

### fo r hy\lrun:nning and bydrotrealins ia pctrolcUDl 

### rOttning operations arc K I 

### 11 and K t 72 listed**h~ardous** 

### \tfastes, Concern about the toxicity 

### of \lea.diwn**pcnto~fdc** 

### was on\:**~ll.' !o** **n** 

### the wastes were listed.+ 

### Tbe 14 

### inert support media" for K.111 and K 1 7 2 ere axemp t ed from tho definitio n o f hn 7.4l rdc w w as t• { 40 CFR 

### § 261

. 3 ( ' ) ( 2)(1i )( E.))

. Anoly&is anQ lntct;rttQtiOpl : A MSDS prov i dfd b }' one .smelter liata vAnadium 

### pmm.Ude orthorhombic crystall, at 

### over 82 % , as 

### t he only 

### inarcdlent

. A n nl ytit -al**~ul l**  pro vi de<! by anoth<;r smelter repurted their 

### 'PtD t catalyst fines llfe**cbmcter i~t** **ic** 

### t' or ilraenic (0004 ), 

### cadm i um (0006) , lead ( 0008), 

### and**"~leaium** {00 t 0)

. A llhourb BtU' hu lllairucd 

### that the 

### used fine' wer e ne'r'er a • o l id wutc, for 

### purposes 

### or regulatory discussion , we wiU 

### corutder that 'lanlldium pentoxide 

### is the**~le** Relive in gA'C\Um t 

### and rhat rbe 

### y.SCU tlnes ure 

### 'baraGteriatic: for 

### metals

. Althouah the va n 4dlum pcn t oJt l de Is the**~ole** active 

### i ngredi e nt 

### in th e catalys t ,' it is n o t**"a~n "**  after ust;'l,• ll11d**berefQ~** dues n ot rnc:ct the P 120 

### h'ilurdous w u

ste li5ting. A3 

### deta i led

4 The "

. . • .sc l f · h""'ting pyrOf!bori c propenin and porcnual n:au : ll vity

... .. of die**su /fi** **~** fn the rt'flnny wu tes wen: 11lso a concem (60 

### FR 5778J.8.S and**6~** 

### FR (1 1 68)

. T hi s i s not a**~oncem** 

### ac c:opper**"'~ for.t** **.** whtnc U\t**rop ori** **~** na.:ti\ln u ( &he s ut tur fn lbe ore II U l td to**hc;~t** the 1\m\acc

.**~** The 

### sili c a**bca~s** llpPt81' to 

### act a s a •upport media to in.:rwc 

### the Jurface uea exposing 

### the c: ata l yU**imp~gnarcd** in the b eads to**th~** S O ! 

### su**treGm~ .**  not u an active f n& r tcUcnt in r he eonwttioll 

### of 

## so, ¥•s 

### cu S0 3 

### ps . ·
• 40 t;FR § 261

. 1 {c)( 1 ) : " A**'J ~m**  mUICU'Itl/' f s an y**lffat~l"'a{** 1h11t hclJ**h~,** •u•d and a3 tJ ,..tu/1 

### tJ/ c: onUJmintl li

urr**att** rr o IOifl"' Jt!!I'W rhc- purfXJ .t

e/n' wlt l dt**If~' pi'OtltJ~**  wltlcout**ptu ~lftJl**  . .. " 1\CC'Ording to fa ci li ty**~ubmiuala ,**  w h en**~moved** from the**con erttD~** **tow~r .**  lhe nnes · conwn llPProll i mately thO! 11 :\ me**t& r** **(1'~)** of va n \\d l u m**~n oJtilte**  as th e new i mprecnau:\S boada

. We 9abo\'C. the**c~tt:tly t~t**  is u••d in the**m~nufac:turins** oraulturic nc:id. "Therefore:.**1b.~:** u11ed**c.:llhtl~5t** is 4 

### manu&cturina proets3 waste. Because tbe used catalyst is ' manufacturing process waste, It dottf "ot ft'\OCt the; vam1uium**pento)tld~** lilting in**~0** CFR § 261

. 33.' The used**~calyst** is 

### also not a 

### listed process wo.ste (the 

### K 171 

### and K1?2 li1tin9s 

### apply only 

### to rhc:**cab&l~r ~**  genenated 

### at petroleum**re.tlneric~).** 

### Vanadium pentoxlde, however, is 

### no' £ound ill the 

### normal smelting f"mac:c focdatcx;k, 11nd thut any**dctc~bl bl** **c** amount 

### or vanadium pentolide in tbe 

### resulting**~mcltina** furnace 

### stag 

### could "significantly affect" the 

### sJaa (and 

### irs Bevill....,xempt st1ttu)

. As n(lled, the vaoadiunt**pwnto~l(Se** 

### in the catalyst 

### will be**ch~mically** 

### reduced to a 

### vanadium 

### metal in the 

### ameftet ftunace 

## or convenors . 40 CFR § 2M

. 112{")(l) etdea: "Tile JWUte·d•rll16:1**rtJidu~** tnll.)t nat contain 

### appendu V//1 , pa,t 161 con.tlitueniJ (toxtc C0113tltutrnls) 

### thut could fl!dSontJbly "- attrr'butaole to lhtl 1tatQ1't/t}W.f W(I.Stc

... .. Wh i le VIUlacUum 

### pentoxlde il an 

### append i x 

## vm toxic constituent, 

### vmadium metals are not
. Thus, the vanadium pentoxidt! in the 

### U3cci c4tAlyst 

### wilt 

### nnr "alsnJticanny affect

.. the 

### smeltl!r ila.g. 

### Materials are not solid waste when recycled by being 

### Cl:used as ingredient• in 

### an induatrio.l f'")O•II!'I to**m~** u prot1Lu:t ut · as 

### i:rr.crlve subatitutes for commercial**produc~** (40 

### CPR § 261.2(a)( 

### 1 )), Although Jhe 

### vanadtum in

. the used**~talyat** 

### is not recycled by BHP
. 1 they stated that 

### rhe catalyst**fin~** 

## are ns**effcctiv~** 

## a flwtina agent as the Cnl!bed silica from mines that 

### is ncmnally used in the smt!lter f.-l\d

. Oistinc:t**compw:~enrs** 

### of the u1cd catalyst**af~** nul n:covered 

### a.s separate end product& (i

. e . it ia not**rc~:laimcd .**  

### See 40 CFR § 26\

. l(c:){S)( i)). 

### The question 

### now becomes : Ale the used catalysr 

### fines**lc::~itimardy** recycled 

### ny 

### rhe smctnna proccss 'l One criterion 

### in determininB the lesitimacy**ofr~ycllns** i s 

### whether there**a~** 

### "toxies alonA for the rlde"

. The**~hara~teri11tic** molals in**th~** wed c:o.tal)'st finos nrc "toxlc.s alon.s t'or 

### the ride'' when 

### the Wled catalyst flne6 are fCU.Ied 

### for its silica 

### value

. As prev i ouaJy 

### noted 

### in the**rov~rts** iatue ,**~ilU4tions** li koly to be dc:emc:d sbam**recy~ling** would involve low amouuts of
· recoverable 

### material plus the**pre~encc** 

### ofnon-contributins ha:urdous (;Qnstitucnt& 

### in lh• woure .

believe U\la 

### indicates the vanadium penloxide

- imprti""'ert hP..-ds 11reo contlder eJ unfit for uac: bcco1uu the size of the atlica**bcad~t fat~**  below :speciflc•tiona, not**bee~use** the vanndium ptntoxido f &



### consumed

. contamin&led: or n o lon11•'**hcmieA II** **y** ctT.cdve a11 a oe.t.lil)'lt. 1 l'h"**~o mmcnt**  ln 40 CPP. § 261.33 tt4b::t thtl "

... 71rt pit/au ' colflltlt'I'L ' Jnl**~hllntiCIJI** /)""DlDucr'

... doe$ Mt**f'e/~r** to a marer£t1/, Jtu:lt cu a manufocrurlng pror&, M•a.ttr , t

Jwt cotJiailfs "ny a[ tJ.,**.tubdt~llr:at ll~trt!d**  in prmtgraph

. 1 (t:J ur (/) (lncludl"l**Pill)~** Wlfln: a mtJttujaclllri'IJl proceu WG:f/tt is dhmtH/to**~** rt lttGDrciJJII.S**WClJI~** btc'QILtr it COIIfdWD**suJutan ~** **li~led** i ll**pt~mgNp/t** (t!) or(/) , IUCit waste wiU lw IJ¥Ril i 1t rfllt•r § 20/

. J I o r 

### .f JtH
. J 2 or W(ll 1¥ iderJtljle4 as IJ haZilrd(JU3 wrme 

### by tAw cltaJOacltrlJttc.r .111t forth In Subpart Co/ this pG/'1. " ' 11\e Sltbmtnal from BHP d i d not list vanzd l um pentOJtide u 1t**J~ireblc:** cnmrnnent In the ore or the mtncd .slllcL .- Nor hllve \lte 

### found any informaliol\ thlt vanadium penloJCide i s a 

### deeinhlo 

### or IUC't\ll**n~t~d cnt**  In the copper tmelt i nll (amac o feed.atock, Vanadium n r vanad i um col"'\pDUDcb ua not prochu:tS aepant!Cily produced nr sold by the smelter

. Tbus, the vanadium penroJtlde ill nor reeycled by the .smelting proeGtl. · 10



### LS9£ 

## sa£ ozs &"

. • ./Hl11k&t/tv>ly**lttJ :t** **tlrot# .~** **~ ~lf** **rl•' u~nu**  flO I Otherw/10 pi"CHIII (If**tiJ~** fiOI"IfiGI for:d.rtrJck ofllafl**pi"'~I** . .. " 

### (63 FR 28587)

. The catalyst nm:a have 

### larac: ltnOWllS 

### or n!Coverablo matl:riAl (ailica). 

### A**d~tailed** 

### review of the 

### proceues**ind c~**  

### that tho**~ralyst** 

### fines deri\'e 

### all dfita toxic m•ral.a from the 

### ore . W • cil..t 11ot 

### tlnd 

### any ocher 

### 1ourc:oa or matorials 

### that would ac-oCJunt fur the 

### hazardous**cluu·a(:teri~tt c!**  

### of the 

### "amlyst fines

. A c opper 

### smelting fUrnaC\: Is a BlF 

### if It proceue1 

### haz4tdo1J$ 

### wucc ( 40 Cflt 

## t 260. JOO(aJ)

.**"'Toxi~** 

### along for the 

### ridt" 

### are evahwted at B!Fs 

### by 

### dcu:rmining if 

### the**to.xi~:s**



### · ·significantly 

### aft'ect" tbe fumace rctS i ciuft (40 

### CFR §**:z~cu ll(~)(l)**  

### and (b)(\))

.**Oi~A** the 

### extremely low 

### proport i on of 

### aa tcdyst fines in the 

### to t al smelter feedstock, and the fact that 

### the toxic**m.~l ii**  in BH'P ' • u s ed**~nt4ly:sc** 

### 11rc nortllllHy 

### found in the: amelter**f~** 

### Qnd 

### copper concentrate , the 

### use of 

### t he**~haracteri&tic:al1y** 

### hazardour c-.nalyst 

### finca would be unlluty tn



### .. atgnutanuy atTe ct " the residue (the**Bevill ~empt**  

### s.rneltins sl a g}.'**Tb~.** 

### the used 

### catalys t**~** 

### be i ng lqirimatoly used or 

### reused as an**nar~ie.nt :~ilic~)**  

### in t he s m e lter 

### (ccd, a nil ;., nol q**~a** lid**W~~o:Slc** (**~** 

### CPR§ 26 I

. 2(e)( l ))

. AAQIIC V11111 

### and Anode ClltlJJI 

### Wheel lncomina matorial : Put ; Bli s ter 

### copper from eonverten : 

### purtbutd. c opper 

### ' <:riP! natu r al p.s; 

### •tEam
. Prc&ent : 

### No a ct

ivity

. Qytppiga 

### maurial : Paar: 

### Anode c, ) pper ; l.llled anode 

### furn a ce brick; 

### anode slaa 

### ( to the 

### converters): revert1 f rom minor Jp las lu: s and SJ)ills; re j er.t anodes (t o the eonv•rters)

. Presen t ! No act iv ity

. Add i tional**Pswg~ tnr** **nn~tlon :**  lSu pp l ements inr o rmation on pa1c s 2 0 -2 2 uf AmcbmenJ 

### !J}

. • See pbotograJ)h 

### # 7 of an anode**cA ~t** **tina** 

### wbccl

. 

### Anodt Ywsl 

### and Angdc Ca s ting Whcc:l 

### Bcplasory lquca : 

### Nooc
.

' Bccnu.c rhe <emcher i t not**p~~onina** a ha7.ftt d ou• waste, tl\• BIF NiUIQ ti otU arc not**&pp\ il~** **llblw.** The ttlndardll• t 40 C Fl\ § 2()6

. 1 I 2 (:1)(2) and {b)( l) lltC tllll usefUl

. howcYCr , in dc1enninlnll tbc lf!'ICt 

## or tbc t olti c mcbll! on tht Bevilt

- eu t "'P' al-a

. . 11**L~9£** 

### S8i OZ S 

### Jl.

### cu ca., ... Syptsm tnd Jbc SgJQlrlc 

### OShl P\lat ; lu'i.Y9'ina ipmrlal : 

### Past F l ash furnace and 

### converter 

### off.pscs

. Prt5ent: No activity. 

### Ouxaolni material :**uf ~**  Llloos**acrpar~tor** solids; acid pl.of\t blnwdown; 51.1ll'u1 ic 1cid ; silica beads; quartz rock. 

### Pra1ent : No 11cti vity. Additional Process informC\tigJ:l:**(Suppl•mcn~** 

### infonnotian on**pasco~** 17

- 20 

### of .6tuu:b.m;nt !3).

- Tbc lut time t)UAL llCiu 

### plant brick WIS 

### senarated WU in 1996.


### • See 

### photographs # 

### 8-9 or 

### sump(" J2A ") 

### where weak :ac i d 

### plant b lo wd o wn 

### was neutrali2ed. 011 Cloqnin& 

### Sntcm 

### and Sulfiuiw Acid Plant 

### Rcmrtasorv Isaug: ISJllC 

## ttl :

Detallt: 

### See d i scu ss ion 

### on use of used sili<:ll flne, a.s flux in " Converter " 

### regulatory di:u:u"11i011 section

. BliP "neutralized" lhcir 

### weak acid planr btowdown hy mbdna it in : ll sump (called "J2A") with Bovill

- exempt mill taillass

. Waa thi:S**pructic~:** legit i mate?

Thia capper**on~ contain~**  s ulfate,,**U"oth~:rwic** 

### :sulrur reactions provide 

### the h.eat 

### used in 

### the furnaces

. and converters, 

### and sulfur-laden sues from 

### tbe smelter are collected 

### by air pollution control devlees and used to 

### produce aulfuric acid

. BflP used**"om~** 

# or the sulfuric acid 

### they produced in thEir 

### beap**le~b** solut{ons. but**~1gnifir.ant** 

### qu11ntitie' of sulfuric acid 

### were 3old 

### as product. BHP**rtpOrt~:d** 

### that**th~** 

### acid 

### they produced was often 

### of such 

### h i ab quillity , and**b~d** .11\IC!h a bish ntarbc va(u., <lS o 

### commodity, that 

### they**:~old** the sulfuric acid produaed in their 

### acid plants lltld purchased a Jcs .'l er quality 

### sulfuric add from the open 

### market tor usc on 

### the heap lew: h. Tile particulate ma t erial that c:ollect:l 

### in the: gas 

### clcqntng**sy~tl!m** 

### are ': blown down." 8HP stated thtl the blnwnown hAll a pH of appra"imatoly 0

. 3 

### 1nd was gcnc:nalC:d ar a rate 

### of**~00-** 

### 1 , 000 pi Ions per minute (see 

## Attacbmsnt !3)

. 

### R.c:t'med 

## ro as "weak acid

.. , " blowdown '\ 

### and

" wco.k**a~id** blowdown " , it i s 

### a :slrong 

### comuive with 

### a pH o f approximately 0

. 3 · 1.0

. 

### (Sulfuric**a~:id** 

### from the gAS 

### scrubbing rower is**~n!IIM** 

### by tb• 

### ahf!Ofl)tion of water vapor from rhe S0 1 12

LS 91: 58£ 02S 

### A

### "as

. while 

### the sulfuric: 11Cid**~nlcl** :IS a**produ~:t** il .l(l'llf81h•ll•d by 

### the ahsurption 

### of SOJ au . ) "Acid plc.urt blcn,-dmwr**slrtrr; JiucJ~**  rtsulr111gj'fotn IU tluckrn/Hg o} b/owdoWPI Jliiii')J 

### from prima') ' ' f1PP" 

### productt'cm " wns formerly listed 

### u hanrdous 

### waste number K064. 

### On 

### October 2u

. 1999 (64 FR 56470) t;PA 

### removed 

### the lilting 

### forX.064, aftt=r 

### previously explaining that these wutes ean be effect iv .,ly n:gulaled 

### if' th"y eMlbit D huatdous 

### characteristic {GJ Fit 

### 28600)

. 1 0 

### BHP did not 

### thicken their acid plant 

### blowdown. and thus would n.ot ha.ve gencntcd-. 1(064 lietad t.AurdoU3 wa:stc**~vt:n** 

### if 

### lhc K004ll!ting wu still 

### in effeet. EPA letters to 

### Magma Copper Company dated July 

### 6 ilnd**Jul~** 

### 12, 1989 

### reiterated th.is**f~ct .**  

### Tbu$, BHP's acid plant blowdown is :1**characreristi~.** 

### but not Hstcd, haardoUJ 

### waare. BHP ' s acid plant blowdown 

### wua**ix ~**  

### with 

### l i quids and 

### slurcy from rhe 

### tuiliass tbi L.'k.n cr. Thia mixina CX'currc:d in ll lai'JC sump tiM i5 

### cunmucted o( 

### concrete, is 

### partially below grade, and 

### reponcdl:t**hil.~** 

### an intnct 

### coner.!te floor. The resulting 

### mix cure: oftaiJlngs 111d 

### Bcic,l 

### plant blowdown W3S 

### disciW'ged i nto 

### the tailings impoundmcnt.l. 

### BHP is not 

### cunc:ndy opcrllling, 

### and no 11cid 

### plant blowdown, tail i ngs 

### •lurry, 

### or mixed**t~ilia~** "YctO avQi)gb\c 

### ror 3amp\ins durin& 

### UIC 

### inspecdon. lnfonnlltion 

## trom**~HP** 

### indic:ates rhe 

### blowdown ha\ilcss 

### than 1%**~ollds** 

### and wu 

### eha111cteristic for 

### corroaivity (pH of0.3) , arxenic , 

### cndmlum,**le:~d ,**  anl.i 

### selen i um (0004, 0006, 0008, and 001 0) (sea 

### AttaQ\ment**~l) .**  

### Previous 

### information obtained by 

### £PA trom when 

### the facility was 

### opefO.ting noted the t!Uli.Das conuiu.l.! approximately 5001:. 3olid:s 

### and 50"/u 

### Jfqulm, bad 3 

### pH 

### ofaJ)proJtimately 8 .0 to 8

. 5 

### betore mjxing

.**~tnd** thAt the re•ulring blowdowl'llteilinss mixtul'c b!W " pH of 6
. , tu 7 .0. BHP's submittal (:sec 

## Attawbmcm !}) stated that th.: 

### mbted tailinaa did not exhibit any 

### hiU':nrdous**chara~;teristJcs,** 

### and**EPA ~**  

### analyttc:ll 

### results show the 

### soHd (dried) 

### taflings from the 

### c nilinaP pond 

### were not 

### RCRA chanctmst i c: for toxic metals (s ee AttMbmcnt tS)

.**Th~** facility notud that lh!!y Ml**oonsid~1ing** 

### rcpU.cin¥**th~** hti\in!J.!I neutralization system with 

### a**lim~** 

### treatmcofsystem, which would generate an**ex~:mpr** t!:alc:iunt sulfate 

### wastewater trc11uncnt**~l\.I\J¥e** (olO 

### C fl\ 

### § 261.4(b)(/)(it)(H)). Analyst•**•~ad** lntupntatJanr BHP ' chsimtd 

### thl! " weak acid" was "

...**unifU~ly** a.1soclatr:d 

### with the prOCf!Uiltl o[oreJ 

### and minllrals 

### becuu.re i t**d~ri~s** its**~. Jtal't1cttt:rz~liafra"'**  ''" IPMn/s nnd xu/falflt 

### in ilia**tm~.** 

### concDurar•. and maltt !. " 

### (Quoted from facility submittal.)

10 40 CFR § letl.4(h)(7)(ii) 

### lists conain solid 

### wuces from the pnxessins ufcires and minera ls (i

. e. 

### "minerql**proc:CS$ n~**  Wl'lt4!S'•) Uunure not huardouM 

### waares . Although teciduM fforn rhc treabncnt uf ac i d p\tf\1 blowdo'hn (calc:ium**auJrat~ ~u:llcwllfcr**  treatment plllllt sludge rrom primary copplrf ptoc:eu in s) arc incJuded ln the**li :~t**  (40 c.r-R § :'61.4(hJ(7)(1i)(li)), ocid plonl blowdown i ' n\ll.**~'PA di~u.tlkd**  ''uni'\"cly 

### ufiocialld" in the 

### LOR. Phase IV final nslc} 1 and 

### backyround**docwnen~** inc:orpoTI[cd 

### Into the 

### LOR Phue 

### tv docket indkate 

### EPA ha5 determined tbat 

### acid plonta ace HuL 

### uniquely associated 10 

### smeltlng. £PA reitentttd this point in 

### the LOR Phase IV final rule. ltatina 

### that the 

### acid ptont blowdown al copper 

### •meltcl'1 is subject 

### to the RCR.A 

### hazardcus waste rcgulo.tions lf it 

### exhibita 1 

### haz.ardous c:hamcteristic: (63 FR 28600). BHP's acid plant blowdown**i~** c:harnctl!!,.;•tically hantdoUI. Prior co mhdng. chc**tal/ins~ an~**  

### bcnenctatton wastes that Jar! excluded from regulation 111 a solid waste (atld thus as t luzardous 

### waste) under subtitla C 

### ofRCRA (40 

### CFR § ll51.4(b)(7))

. ErA 

### previoUS()' dcrennined this**copp~r** 

### smelter 

### placed 

### exempt ad linKS and 

### non-exempt acid pJ&Df b}OWdOWn into 

### the Startle WA11te 0\ID.mc.Dr unjt, Ia 

### The r03u\tingtailiniP/bl,lwlluwu**mi~t\lre** is 

### not characteristically hazardo\15. 

### Thus, an 

### exempt waste {tailin&$) was**mi~ed** 

### with 

### a noa.ex.empt charac;;tGritEicaUy 

### hazardoua wa."ta 

### (blowdown}, and the**~ulting** 

### mix4td acid 

### plant**blowdo~thfc:kenc:d** 

### tailings 

### mixture did 

### not exhibit any of 

### the hazard,u.c; WAlde characteriadc:R. 

### According to 

### the "Bevill ml"turc 

### rule" lu 40 

### CFR 

## 0 261.3(a}(2}(i) 13 

### because : . 

### \) Tlle rallinga were exempt bet'ore 

### mixina-. and, 

### 2) The blawdown was a**chat~cteristic·only** 

### haunkn&! 

### waati; and. 3) The**resultin~** ta.ilinirt'lblowdown mixhu-e WRS not cb:uac:teri8tic• 

### then, 4 } 

### The tllHinss / l,lowdown 

### mixture: l'!cains**fh~** 

### solid waste (and tltus hllZ8tdoua waste)**~c:luaion.**

11 " •• • 

### a"y HXJste.frQttt a11cill:rry operatiolf.'l art lfOI •uniquel)l ru:s«iatft/''**bt.·caUJ~ Ihry**  art ll(}t propt.'rlJ ll!r'Nt!t/ cl.l · fH!Ing**~f rom"**  mil1tlfg 

## or fffmf?'nl proceJI'i.1tg

.**f~t •va~lllrlf**  wost.m from XOII•Q1fCI/lQT) ' ope'tltlons. o11e must 

### con . rlder tltt exrerrt to wJtlch tit•**\44(}81~** tJ'/flrtalc.r ot lr:r iws. f;vnt J»"f!CtSia thdr ren 1 f! to rl'mOVf nrineral 

### value., frrJm 

### the grou11d, cont:entrate or otherwilfl enlrcmce their**r:ltaracterl.rlfc~** Of'l"f!move**i~npuritle s.**  and tAt! utc:rrJ to 14lllttJh the mi'"flll ncovllr)l prouss lntpn1' tt iu**are~ttf~l** chllftlcterutics to**th~** wo.ste. " (6l 

### r: .It 11UO I)
12 

### MINERAL PROCESSING JI'ACILITtES PLACING MIXTUR&:S 

### OF 

### EXEMPT AND NON-EXiMP't' WAST£S IN**ON·SIT~** W,t\STI MANACEMF.NT UN(TS: Tcchnleal Dac:JcaroLnhJ Document Supl")rtins tbo**Supplement~!** Proposed Ru l e Appl)'ins Phase IV L1tnd D IA posal**Restri~dona** to Newly**ldentiri~** Mi11erel Proc:c:JIIins**W:~scos .** **Offi~e** o(Snlid Waste, U.S

. f.PA ,**Occcrnb~** 1995.
I) 4() CPR**~** 26l

. J(d)(2}(i) : ' ' ·- arr.)• mixfllr.: uf a**Wfl¥l ~**  fr o m tlu? t!.'(trnctwtt.**bttfrjlr: rt~ion** **.** and procr:.uing oforu dlfd ntin("rtt/J**c!'lclud~** undtr ,. 261.4tbJ{7) alfti any otll•,. n,/id**w'tlst~ ~ltlhlttnr**  a cJ.ardt:lertstlc of flaza,.Juu.v tt.'tl

. Yre Ulldtl' Sllb{Xlrt C IJ a lfa:ardola wastt nnly 

### if II txAibit

. r u**dram~rerislit:** ll.at would ffot httYC bHn rxJrihiJ«l b}llh**~luJH wu1~**  aJorre 

### If .JUCII tniX&re hfJii lfO{**ucc~trrld .**  or 

### If (t conrlnus to tXhibil any 

### rif tht**~htrl"t~Ct•ristlcl ~lllbittd**  by tire lfOII•&'fchuied wtUtU prior to**m~llll"e.** Further, for thrt purpou . f 

### t>/ GpplyllfR**tit~** To;rict'l)• Clraracrcrtrtlc to
. orurh**mirll,~s.** rlt• lf!li.ttU,.II iJ**(JJ~o** a hrDtudous WQJitl/ /J t!rcceds tlte maxflfllllft conctlllralion for**at~y** c ()fltQIH/IIant ll1trd in Table I IQ 

### f 261

.. U that would Mlltovtl b"" a'tcf!ft/ni by**til~** cxrlfl1ittd IAIIIJt• tJI""' 

### if lhu ,.wu,., /tad lfOt occurnd 

### or 

### if IJ**cottfilfu~J** to e.TCt•d**tlr~** mtJJCifrRim 

### concenmuton for 

### any**~ontanrinatrl** 

### e.TCtJtdttd b)lth• nonUflfiJJI WHJ.III
. PI'ior /() Jttixturt'!

. " 14

l.S9i SS£ 02S 

### Ji**~noted, th~**  mi"ina reducea tbe pH of tbo tailinaa

. Th.: 

### resultl of 

### a prcvioUJ**lnlp~ectiuu**



### . of this copper 

### smelter conducted by 

### Region 

### 9's Water Division indicae• that 

### th• reduction iu 

### the pH orthc**llliJinJ~:~** iJ 

### noc**deslrablt~ 14** **•** 

### Because the acid value ofthc acid plunr**blo~dawn** 

### il 

### used**~olely** to 

### <kcreasc the 

### pH of tbe 

### milinJiCS, and 

### tb.U 

### decrease docs 

### not serve 11 

### hcnetlcial ptJrpOie, 

### the acid**componl!n~ ~r**  

### the aciJ 

### plant blowdown**~are** 

### noc legitimately recycled by the 

### mixine proceu. Abo...,**nuL~** 

### lhc mtxed tailltlp 

### are dtlc:harpd directly to 

### the 

### tail in 

### as 

### poada. The £ailinplblowdown mixrure is not 

### reeycled to 

### recover any mineral**value~** 

### prior fO 

### diJeharae

. TbU-9. the 

### acid plant btowdown contaiN 

### acid and mineral valuea, but 

### the b(owdown is not lesiti1111tely ret!yded t6 rcc;ovcr**th~** vaiuca and the RCRA**~ycling** c=Aclusiun.s do 

### not apply. 

### The question now bc:cumes : Is 

### the 

### mixing of the 

### blowdown and rhe 

### tailinss**~nowa~le** 

### tnlatmcnc under wo R.Cl\A R:gulatJons ' ! · 

### Beeause the rc=Multing toiliny11blowclown**mixtu~** 

### ia not cluu·acrc:rislic

. the 

### mixin1 of the cbaracteris1icatJy

.. hA7-llrrl""' blowdown (with 

### tbe taJUnp) apparently**n~utrDJizg** 

### the conosivity 

### characteristic of the 

### blowdawn and reducea the 

### concenuatlons of toxic**metal~** 

### in 1\e 

### roaultin1 mixtu.rc**~o** they**~rc** Ucluw 

### characreristicaUy-hazardoua levcll. 't'llua tho mixins of the 

### blowdown w i th the tailings 

### could be**~onsidcred** 11 

### b'eatment" as defined 

### in 40 CFR § 

### 2tS 1

. 1 0 and 270_2,**tl~cause** 

### the mixing of 

### the chanu.:teristically-hazardous 

### blowdown serves "
... 

### to rtlfdtr 

### such wmw**Mlt~ltnztfJI'tln&J!I .**  nr lou huzardou.r

... ,.u**F~-.iJitlc:s ~unOuctlna** **cl~mcntary** 

### nc:urralizarlon of a hazardous waste in 

### tanb or 

### containers are generally not 

### required to obtain 

### a 

### RCRA permit 

### or interim 

### srarus fnrthe treatment 

### Ut1it (40 CFR 

### § 270.1(c)(2)(v)}

. However, 

### an**"el~entacy** 

### ncutnlllz.arion W1it" 

### is 

### defined as : ''
... a dey/ct which : f) l.t:**tt ~f**  

### fi" ·**lf~ttt,.allJ ng**  wcut•t tltQI Gl'lJ h'"ardoiU Off(V b.cuau.**tll~)l** uhlbil**th~** CDI'rostvtcy 

### churacreristic

. .. '' (40 CPR§ 260

. 10). BecaUiethe 

### acid blowdown is alto**cluln&~tcristico** 

### tor tox i e llh:tal:s , 

### the: clc:mcrnary**ncutr~Uzation** pennlt exclua\on docl not 

### apply.



### · Hazardou.i waste generators may 

### treat their wute 

### in tanks and containers without 

### a permit oa**lon~t** 

### as 

### th•w comply with rhe eent.rutor requifl!ments: 

### ror ac:cumularion 

### ill bank! or**container~** 

### in 40 CFR § '262

. 34 und 

### the treatment 

### takes place within the 

### QJiowoble time ,Ptriod:i for &Pn•rGtor atoru5c ($ 1 fR l 0 I Ci8). 1110 \:OU\innc unit in 

### which the: smelter mixes**tb~** 

### laiJings 

### aad**blowdo~n** 

### appears to meet the definitions ofbotb**"~l.lmp"** 

### and

.. rank" 

### in 40 

### CPR§ 260.1 

## o . We have been unable ,**how~ver,** t
. n identify any chemic:ll**~~ctions** (fix:ltion,**floc~lation ,** **p~ipitation ,**  

### etc
. ) that occur to any significant degRD between the toxic metals in

_ the acid 

### plant

u.**Sultld~** in the m•nc: oyerburdm and wGJte rock react 

### wilh water to torm •ulfuric .chi runotT
. The taillnp (oriainal pH 

## or " · 0 · 8

. 5) t.'ttn be used to http ncutraliu thi, " ac:id rock''

.
u 4() CFR. 

### 4 260

. 1 0 :**'T,iuln~tUfllftflll~** .uty me1hod. twciWi'Jilt!

. J'r{lt'#!fl,**lJtCIJ~tiiHg** lflutf'f.lizalfolf, d'llglfr!d to clrullgft tltt. plrysicttl, 

### r.hemlcal. ol'**blologtcr~l** characltl' or compQI/tiQn of any 

### hcuardow W/Uil sn 

### a¥ 1o ltdull'nli'!.l'

- '''<'h '141()Sll', 

### o, 60 IJI/o**'•to~,.** CIU.'I'fD' 01'1Halrrlal1 ,...1awc:a f,-um**tit~** W(Uit-. or so tU '"**''"'d~,.** .v11C'Ir**wa.rr~** tltm · htlZI.Irdous , or las ha:af'(/ous, · rafrr to trtVUport ,**ste~e.** OT dl'fiCl." of; 01**dtH41ffniJI~** for**,.~c;-g\ CI')'** **, Qtn~nablefar**  stOI'CJit: • or**~u, nl**  in WJiume

. " 1$



### J.S9£**58~** 

### OlS 

### Ab(owdO'IIII\ and lhe lQitings in the:**mixin~** 

### t&U\k, ln addition, the cower amdtet' did DOl

.. poll**~11** 

### 11ianilicaru ga1c.rntion of sJudgea or 

### skimmfnss fn 

### the tank , whioh would be 

### expected if 

### the tank was 

### perform.lna these treatment acti'Vitie!

. 

### Thus , the 

### toxic mc:tals 

### in the 

### acid plant 

### blowdown are**app~nt\y** "lruted" simp!)' 

### by dilutinJ rc l ativel)'**:o~mall** vnlumro.s 

### of acid .Plant 

### b lowdown w;th 

### very llllJe volumes 

### of tail i ns3

. EPA Ietten to the 

### smelter's fonner Plf2tlt company d:atcd Ju.ly 

### 6 und July 12, 1989, noted that lhc 

### acltJ pJam blowdnwn gJlSJ;d rhe Extraotion Proeecturc (EP) 

### toldcltY rtsr, As 

### noted. th1 

### acid plant 

### bJowdown 

## .fa.ikd the To"ic;iry**Char~teriati~** 

### Leacblnllt Procedure '(TCLP) for**~UUnic,** 

### cadmium, lead. and**~elenium** ( 0004, [)()()6 , 

### 0008, and DO 10). Thus, t he ecid plant blowdOW!\ may he**eon.~~:iderarll\** 4 'nowly**idendti~d" h~ou.s**  wute QlJ defined in 40 CFR. § .268.3<C{a)." 

### Dilution is scncr.1lty prohibited 

### as il 

### sub5titution 

### for treatment in .40 

### CFR § 

### 268

. 3 for 

### wutcs rbat**a~** subject 

### ro rtJ c: hmll t.ll l'lpmtal 

### rcsrrlclions and 

### rhat 

### wi\\ be 

### disposed

. 11 

### The 

### tailinp'blowdown rni)CM 

### does not meet the 

### LOR. treatment standards. ,. 

### Thus. tl\e 

### mixina of the**~id** 

### plant

16 

### 40 CFR. 

### f 268J4{a) :**"~(Jtctlve A.~Jgult**  24

. !098,**tltt~fD/IowilfB WtJ~tc.1** **ti~** proiUbllwd [I'OIPI /ami Jupft:lal : tM**wa.rtt~** .spt!tiflt!tl ' '' 40 CF/ll'an Ul as EPA HartUYfowr Wa.rtt IIW11ben D004-DOI ( 

### '"'u fll'l 11ewly l dCJitlfttd (i.e. wa.tlt.f,**.~ nil,**  tJr tfebrlr id1rr1i{tfii as hCllardOrl$ b)J the**T~tc** 

### {aic:] Ch4rtJctQrl3tic Llfaclrmg**/~rocedure** bur 11ot the 

### Extraction Pfoctdurd) , 41td tWt.rre, Joll

. o; dtbrtt from**Mi1t~'Ql proc~** **.uing ~pel'atlfJiflf**  1ltat 

### u / Jcnt { fi.J as !la:ardrJusiJy ll1t .tpecfjl cnt/ons 111 40 

### CFR Pan 16/." 17**~captions incl~dc**  some: forms ofwurewater tttatmenr when:: the wajtelll.re hautdoua only becauu they elth.ibir :a**chwracteri~tic ,**  and dtlutioD fl requirtd to meet cena i n requirement. o(tbe Clean Water**Act(~~** 40 CFR I 2111'-l(h) ""d 40 CFR § 268 .1 (e)(4)(i·hr)). O.Qta provided by the amcJtc:r indicates the aoid pl4nt blowdown 

### mny moct rbe definition 

### o("waste

.. -aters" in 40 CFR 

### I

· 268.l(f)

.**Wlll~h'.$** that**il~** hnAIOous only bee t\ Wit**th~** nhiblt a eharac:teristic may be dilu lc LI ill Lfc:atment**ays~** reaulatcd under Ute 

### dean Water Act (CWA) or 

## cw**A~uiv~ltn t**  $ )' 11l0 r!U "
... wt/t:.ro1 Q metltod Dtilu than DEACT lla$ btWI 6p«tji.:rl itt t/0 CFR §**2~4.** ,0 as**tit~** /1'f!acm•"t .rlnlttJarr/. " ( 4U**~k-'K** 

### 9 268

. 3(D)). loxlclty 

### characteristic: metJI WIUits". !nlch a11 

### the acid pJant b\owdow11 , muse 

### meet 11\lmcrical treatment a

tan dania, 

### ncn just detetlvation 

### t 40 (;JOlt § 161J .34 ),
1 ' Allhollgh th o**c~ ili** **ngslblowdown** m i xture doe1 not exbibit 

### any of the hazantous wu!!**eharaeteristi~.** BHP bo.s '""demonstrated thD.t the miuure mu:.**th~** LOR t reat tn C11t•'-ndards in 40**C~R** 

### t 268.40 and the underlying hnznrdou,; 

### eunstituenrs trntmmt :St&ndards 

### in 40 CJ:'R § 268

. 48 , 40 CFR 

### t 268 • .3(b) and**~0** CPR § ::l.tilt

. 1(c:)(4)( i.i v) wtte modif'\td afttr the L4nd Oispolal f'roiJfllft'l**Fl.-i~llily** A\:' of 1996 (promulpted April 

### tc, 1996). Tho " point of compliance

.. ' with the LOA.s f'or watttwatcra treated in CWA or CWA

- equlvalont t roGtmcnt plant.• and aurface impouatllrueniJo**wM~~** olarlficd,**~** tba f«JUittmcrn to detennino i f del:haraderizcd wutewaters met**rh~** trntment**:~tlndarda** tbr underlying hautdoU.'\ conlltituc:,rs I n 40 CFR § 268.48**w~&~~** nmoved (6J FR l.5S99). The mucJlfled 40 CPR. 

### 4 ll'iH

. I (c)t4)(i·iv)**alto~** the 

### land dlaponl of certain 

### dcchara,cerlzcd WGitcs rhot were t reated In CWA or CWA-cqui\'alcnt lrcatmenl unlu even lflhey do not meef the LOR trcmntat standards. pro.,ided the w:u.taa no lo n1cr cl'lhibit a piQhlblted charocteriatic at 

### the point of 

### land disposal. However
. 40 CFR 

### i 26R

. ltc)(4)(i ·i vl baa rhc 5ame O!ACT proY i sion 11."4(1 r.FR. 

### f 268.J(b), 

### and 

### aa**n~d** 

### the blowdown is required to meet tht 

### numerical LDR trauncnt •tand&rds. Thua. the exclusion in 40 CFR. § 268. l(c)(4)(i·iv) rlrw.!l nc-r Rpply, and it appears the t.Jilintslblawdowwa**mix~nt** 

### must Jtlett the 

### LOR trartmcn t stindatd$ 

### tbr huardoua 

### was ttl prior 

### to land dillpoM.I

. t 6



### ..... ' 

## . ...**~** 

## ... 

# -blowdown and the: minot**tnllln~:~ ~ftc:r**  Aul\llt 24, 

### l998 (when the acid p1uul bluwdown bcame 

### subject to the land**di~tposal** 

### restrictions} to May 

### l. 1999 (when BHpta 

### sme\tina OJ*raUOl\**~:eased)** wu prohiblled 

### as lmp!rmJsaibJ.t dilution

.



### Past: Anodes: sul furic**~id.** 

### Present: No activity

. 

### Qutaoina matJriaJ: Past:**C11thod~;** c opper scnap (trlmminp, !pent**•nod~, n:jc~t**  \:•thlKJq); 

### refinery 

### slirneli ; refinery slima 

### leach solution : refinery bleed solution. Present : 

### NQ 

### aclivity. 

### Additional**P~ess** informytioa: (Supplements 

### Information on pages 22·24 

## ot AtJas:bmput 

## H.l> ·
• The**~lime~** .. , "t:**s~nl** 

### to U1c 

### autoclave (epprox

. 3 ,0 00 l bs i n 4 hours) and then to a rllter pres s. The 

### resu l ting filter cake ia 

### oYen-dried (to 

### le,:s than 1% moi!Cture) 

### arid tent to 

### the vibrating**cru~her .**  

### '11u!**coll~eted** 

### material is shipped otr·sito t o various 

### facilitie3 for**nrecinu~** metl\la**ra l'!c)v** **c~** <aold}.

• Sec phQtogtopll # 10 uJ' a 

### sample ER 

### cell

.**How~ver,** 

### 40 CPR**~ 2~8.40(e)**  &totes 

### that choractcriJtic wutes (DOO 

### l · 0043) mu.st meet dtd treatmcnc Jtnnciards for**undc:rl)lio~ hA** **·z ~u·do,.,**  t'OnSCicu•nrt only if they Clre "
... not**mu"~** ,,. ca WtJJtl'Wtlter**rl'ratlfl~n t** **f,l~/M f**  thttt i..'> rcgulattrd lllfdtf**tit~** Cftcur Wotctl' A('J (CWAJ
. (or) rltm il CW.A**eq&~lvall'ltl** . . · •. Tbw. it w o u ld capplr.lr th• tanlnplblowdown mi'tture ( i f nut BcviU·elCimpl) W011ld have to meet the**tru.hn~nt st** **and nr~:.**  f o r cttaracterisric meta ls , 

### but not the und4!tiy i ng**h:l~ardoue** ccmsUwentl , prior to lnncl ciispo•oL As**p~vlc.HISIY** di!ICU:t!led , 

### lhe tailin,gYblowdown mixture 

## i1 e)l.cluded 

### ftom I 

### he defloitlon of solid waart! (lnd lh.u1 hv-'lnious wure ) under the

.. Bevill mhrrure rule" in 40 CfR § 2f\ I .J(•)(l)(i)

. Althoueh it lf C\tlrly nor**EPA ·~**  i nL«:nrion t o allow wastes rh4t are i mpcnn i :s1lbly dilu t ed to be land dilpo:led withou t meetiDil t he**n~anJou. o;**  W:\Stt: tJ'I! ,U ment cWid.Ard11

. fo r tha**re:ucon ~** **cti~~eutted** &bo\le it appl&l'l tha& oace O.Cnarac:rcrilcd by the m illing th«: tsci d plant b l uwdown i!1 not a solid w.11C1 'Und-er the ·• Bevill mhthn rule '' and mall bt: lut1d dit Duse d wim"ur mf:lftlng thl! la11d Oi lt pol:al Slftlttictions

.

17



### ,.., , 1 enr , ,, ,...BeiQ,llatqry ltiUQ ! 

### None
. 

### ADDmONAL AREAS INSPECTED: 

### Soh:ent 

## uaction <SXWitttxow i nnina fEW ) 

### Faciluy:
• The facility r;mresentatle, · cs i nrormed**th~** in!!f'CC t oTl'i**rh e~** **t** 

### t ne only 01ctive port i 01\ of the 

### facility i s the SXIEW facility.


### • The slime:1 from the EW 

### proc:ess are 

### rich in 1C6d 

### and are shipp!d off·s.ite ta 

### Doo 

### Run.


### • The insJ:)cctors noted a**20 ubic**  

### yard bin lot cbe lad 

### anode: flab

. The facility 

### representa t ives stated th a t it 

### takes 6-12 months to 

### fill 

### the bin

. A bill o f l adin& from a previous**~hipment** i• en"loaod u 

### Attqqgmepr tl6.


### • On.: anilt i un**pound.~** 

### of 

### topper 15 manufactured from 

### thit process annu11Uy

. • No 

### potential violations were noted.**~Qdh** End Bunk;r 

### ausl East Ylrd 

### cRcyuyJ:

• Most 

### of the revert inventory was kept at the 

### East Vard**(~** photngr&J"'hR #11-12)

. All 

### of tbe material a r the 

### East Yard 

### wu •old to 11 

### Oc:rman company. Subsequent to the inArtectinn

. thiJ**nt2~ CJ** **ria l** **"~W•s** &oltd.-d on to I'WJcans 4ftd ahippod**o~itc; .** 
• AnelyticaJ**c:Juh~** or UIC EU!d 

### Yard benn**~om** lln 

### !PA**ggmpUn~& e~** **enE** are provided i n 

### AU&chment tf5 

### t somp l e TO BHP09).
• The facilitYs i o a1 Wol: 

### tn**nnn ume** **wb.ate,~r** reverta 

### were generaU!d 

### during ll**~hif\.** 

### Otherwise, it Wll s 3torcd 

### at the North 

### Encl Bunke r 

### (see photographs ##13-17)

. 

### • No potential 

### viola t ions were noted

. 

### Main Elc:ctrical Shop Satellite Ag:umulptjon NJ;g 

### <5M):

• Universal wutc bulbs, .!pCnt aerosol**C8J~ ,**  111ll**u~cu** uil are yenl!ratcd hc:re.


### • No poa:nUal violations were noted

•**U~\1** 

### ull, !lpcnr**o~sol** 

### cans. and universa l 

### waste bulb! 

### are s•neroted 

### here

.
18



### l59i: SBi OZS 

### i\

### • No PQtcnti.al**Yiulilrion.~:** were nnted

.

•**~o** W&lStc was 

### •1oted 

### here at 

### the time of · the 

### inspec1ion. 

### No**pocen~\** 

### violaliona 

## were noted. · iO-P,Y 

### Stomu Aryg:


### •**tt~ardous** 

### wastes stored in this area included ackb, 

### polaona, all<l IOBUSUOI.


### • The inspet'tors also**not~d** 

### n lO-cubic yard 

### wasta bin 

### for D006, 0008. &. 

### DO 10 hazardoua was to.


### • The 

### f11c:flicy 

### representative stated that used lead acid batteries arc 

### managed 

### u \miversal 

### wute.

Uniyg Wute 

### Qocumcntadoa : The**in~ectors** 

### reviewed che docuntmtation for fluontllcent USht**bul~** 

### and lead a'id batter in. 

### A sample**rccyc.Un~** 

### ccrtitkate far the: lead acid batteri"s is**enclo~d** 

### as Att11gbnu:o.t @7. No 

### poNrttial violatioaa 

### were noted, 

### W;ckJy Hl2jmjoos 

### W!I.Ste Storaa, lnSJX!CtimJt: The inspectort r r: vio\Wd randorn**ins~c:tian:s** (January 7, 2000 UuuUM}a 

### Aujus1 4, lOQO) 

### for the for 90-day stor.1ge 

### area nnd the SAAli (see sample

. 

## Atla£hrm:;gt 1#8). No**potenti;~l** 

### vio l ntillJU were noted.

MSDS# for**n:., ~ru.**  

### whirc**mc:t~J. lUmllc:~**  bottoms ! 

### and copper cold 

### dope were 

### obtained 

### and reviewed. 

### No ootentia l viobtion" wer• nated

.

l9

l. 

### 59£ 581 

## ozs AAQ&lytjgtl Rf1NCUi:**~ ina~**  

### tors reviewed 

### analytical 

### reports for various matcrialt, 

### includlna: Flash 

### furnace imu l atinat brick, acid plant tdulige.. t•flkhauac iloor c:hips, :u:id plant**blowdow~ w~te**  

### brfclc binder, gas 

### t!OOlina tower 

### packing, and contaminated 

### soU
. A 

### June 7, 2000 

### report !jummarizin& a sampling event to tvaluat! 

### BHP's used 

### amcltcr brick was aJao revu:wed (ace 

### Aoactuncnt #9), 

### No potential violations were noted. 

### T
. .

[IJOJQ8! 

### The facility representaliVeli lltaled 

### that tf\e trainina pl:tn was 

### Q\lrt'eOtl)' btlllg**~vUed.** The inspectors 

### noted that lhe existing pJan did not 

### cont11in position**d~criptions,** and 

### initial and re&esher 

### training requin:mcntl infocmation. n1c inspcctun; IJid note that the trll(binB l'e(Ords for 

### Mr. James Glasston and Mr. Jeff 

### Parker were current.

Tht inSJ)ectors**re'-i~d** \he J"nc: 2000 contingency phm

. 1hc 

### inspectors noted lbru :


### • tbe contlnacncy pion did not contain home 

### tehspbonl! number• for the**em~gcncy** 

### coordin1tors, • the industrial hygiene 

### contact wa' no 

### lonser working 

# a' the 

### filcillty. •**the~** was no e\'acuntion plan for the 9()..day**~nor:Jge 11~**  

### urlll

. 

### • there \\'ere no descript i ons 

### oftbe capabilities of the emergency 

### eqwprnent.

The**in~peec.totS ~"!viewed**  the**19~9 F~ility**  Annuul Report : dcucd fcbrua.ry 29, 2000

.



### The inspeetor

. t ruviewed**manifc:~t.s** 

### from 

### October 1999 to 

### pre.icnt. No PQtc:nri<tl 

### violarions 

### were noted**hv.ia~.a** 

### Conwlidatcd 

### Procc:s.a De<+trlption Rgyiaiqaq: Sub 111 cqu.ent tu the i nspection , '" chcic**"'UJJU~t** 2

.. . 2000**~sponse ,**  SliP 

### provided a reVI.!Ied 

### Consolidated Process De s cription (sec hlr,sbmtQt 

### tHQ). No potential violations 

### were noted

. 

### 20

LS9i: Si£ 02S 

### &POTI.NTIAL VtOLA -r:tONS : 

### A.A

. C

. R J

8-8-268 40 CFR 

### § 26&

. l 

### No genenuor. transporter
. hand l er . or 

### owner or 

### operator of a treatment , s torage , o r disposal facility 

### 5hall in 

### any way dilute a restricted 

### waste or 

### the r wi duol from ll'Citment of 1 

### restricted waste as a sub!titutc: for adcqualt 

### treatlncnt to uchleve 

### complioncc with subpart 0 of 

### this put. to 

### circumvent the eft'cctive dare 

### of a 

### pfOhtbition in subpart 

### C of thia 

### part. to otb.lr.Nasc 

### avoid a l'rohibition 

### in l\lbpart C of this part. or to c ln:umvant 

### a land**di~po l**  

### prohibition Imposed by 

### RCRA 

### s ection 3004

. BHP'!i add pbnl 

### blowdow n 

### is characteristic 

### for corros i vity, 

### 'lt'lenic. cadmium , l ead, ud !SCitnlum ( 0002, 

### 0004, 0006 , 0008, and DOlO). All 

### noted 

### in Uti.s report, • ... 

### tho mixina 

### of the acid plant blowdawn and the 

### mint tailings atlor August 24

. 1998 , 

### when tbc 

### acid 

### plant blowdown 

### bec:.mo subject to the land disposal**~stric:tions,** 

### l:J pNIUbitcd 

### as · i mpcnniuibJe dilution ' '

. Due 10 tht pnsenc:e ofUtt oharactcrbtic metals , the**a~tivity** 

### conducted in 12A could not be 

### c:tnssific:d as elementary neutratization j n an elementary ncun-alization 

### u ni t ( defined In 40 CFR 260.10)

. Therefore. from 

### Auauat 24 , 1998 to May 1 , 1999. when BHP c eased its 

### smtlt i ngaetivitics. 

### BHP W&3 

### i n 

### violation nf.ThJ a 

### requirement. Tbe i nspectors nott!tJ that thi! acti-..ity wu not 

### be i ng conducted at the 

### time of the ilt»pt:ICtiun , 

### A

. A.C. Rl**R-26~** 

### 40 CFR**~** 

### 265.52(d)·(t) The**~on** lin sen e y**pl:~n** muet li'1 the bom11 numbel'8 of**e~.ll** por3an3 

### qualified tc u't u**emerg~ttc:y _**  

### coordinator. 

### must include a brief uutJine of 

### the**~:apobflltles** 

### of rht!**~merven y**  equtpment at the fn ei l i ty , 

### and must inc:lude an cvncuMtion pldn for facility 

### personnel**wh~r~** 

### there i s a 

### possibility that evucuation couJd be necessary . At the time**of ~**  

### i n:spctt i on, 

### the cont\ngcncy plan 

### did nQt contain these required**~ompon.cnta.** The fllcil i ty!s**re11pun e.**  dnted 

### Ausust 24 , 2000 , adequately addressed 

### theae I 

### slues

.
A

. A

. C

. R l**26S** The lruining plan must**~uuuain** u wri tt en job description for**e:~cb** pos i t i <m 40 CFR § 265

. 16(d) und 

### the 

### amount of introductory and eon.tinuina tr-aining thllt will be giv.:n t o 

### each person filling n position. At the time**orth~ in~ction,**  

### the tnin.ins plan did 

### not contain 

### these 

### required eomponcntll, 

### The t bciHty ' s**nt"pun e.**  

### dated Augu5t 

### 24, 2000 ,**ade u~lcly**  :tcJdresud these · i aauu .


### :u

lS9£**~B~** 

### 025 

### Ji**Attacb~ne~~ta:** l.**Photo~** 11-17 2.**F'~ili'J** dlqraam 3

. 

### P'acmty·a July 14, 2000 

### response to EPA 3007(a) information reque s t 4

. BHP Copper San Manuel Operations Production Flow 

### Chan S
. 

### September 21, 

### 2000 sampHn1 event analytical 

### results fi

. 

### Sam file Jead**~ulfAte** 

### hilt 

## nt )Jldins 7
. Samplo lead**<l~ d** **~ttcry m;~ling**  \iGttiflcatc 

### 8

. Sample weekly i nspection form 9
. June 

### 7, 2000 used 5me l tc r 

### brick evaluation 

### report 10. Revised CoMolidated Process Dcacripdon



### 2 2

l S 9i 

## sa1 ozs 

# a

. AlddnS d H B