## GnEENWICH CH EMICAL

## CONSULTING, INIC. 3300 PGA Bout-Ev,qRD 

### r Surrr 635 Pnrna 

### Brncu GenoENs, 

### FL 334L0 Tr.lppuctr.te, 561 .578.81 10 FacsrH,rrr-E 561.578.8120 l\.t cI)

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## T cn 

### I{ovember 

### 4,2014

Bv Federal Exoress



## - CONTAINS NO CONFIDENTIAL BUSINESS INFORMATION

CBICControl Number 

## 362513
OPPT 

### Document Control Office U.S. Environmental Protection Agency 

### EPA East 

### Building Room 

### 86428 1,201 Constitution Ave., I.JW Washington, 

### DC 20004 

## Attn.: 40 CFR 799.5089 

### Docket 

### ID Numbet EPA-HQ-OPPT-2009 -01,12 

# Re: Extension Request 

## bythe PCBTF 

### Testing Consofiium 

### undetthe TSCA 

### Section

## 4Test Rule 

### on

## the Testing 

## of Certain

## lfigh Production Volume 

### Chemicals;

### Thitd Group Benzene, L-chloro-4- 

### (ttifluotomethyl)- CAS 

### RN 98.56.6 $t a

### r*Clnlo tobe nz

### ottifluotide ( P C BT F)) 

### Docket 

### ID Number: EPA-HQ-OPPT-2009-0fl2 40

### cFR 799.5089

Dear Sir/Madatn: 

### On behalf 

## of the PCBTF Testing 

### Consortium 

## (th. Consorir*), Gteenwich Chemical 

### Consulting, 

### Inc. (Greenwich Chemical 

### Consulti"d submits

## to the U.S. Environmental Protection Agency (E,PA or theAgency) an extension request

### fot additional time 

### to conductCONTAINS NO CONFIDENTIAL BUSINESS INFORMATION U.S. Enuronmental Protection .{gency November. 4,20'1.4 Page 2

the algae study 

### on the chemical substance, benzene, 

### L-chloro-4-(trifluoromefryl)- [CAS 

### RN 98-56-6] 

### which is currently subject 

### to a

### Toxic Substances 

### Conttol 

### Act GSCA) Section 4test 

## nrle.l 

## For purposes 

## of this letter,

## the chemical substance, 

### benzene, 1-chloro-4- 

### (trifluoromethyl)-, 

### is herein referred

## to as, PCBTF. 

### The Consortium 

### filesthis tequest 

### ffl accordance

### with this test rule and the regulations set fomh at40 CFR 790.55 and799.5089. 

## I. Genetal Bachground 

### Greenwich Chemical 

### Consulti"s functions and operates 

### as

### the panel manager 

## fot and 

### authorized representative

### of the Consortium. Therefore, Greenwich Chemical Consulting submits this letter on behalf 

### of the Consortium's L5 member companies idenufied below:



## . Btenntag 

### North America, Inc.



## . Chemsynetgy, Inc.



## . China Specialty Chemical Company, Ltd.



## . EMCO Chemical 

### Distributors, Inc.



## . Greenchem Industries 

### LLC



## . I{owa American Corpotadon



## . Makhteshim Agan 

### of 

### NorthAmerica, Inc.



## . MC International, LLC2



## . MorisTechnology Centet, 

### LLC



## . Nexeo Solutions, 

### LLC



## . Silver Fern Chernical, Inc.



## . Special Matedals Cornpany



## . Supedor

### Oil Company



## . Univat USA, Inc.



## . Valspar Corporation 

### Thrs fr-nal 

### test rule addresses 

### 15 high production volume 

### (HP\D chemicals 

### that went unsponsored under the Agency's voluntary 

### HPV Chemical Challenge Program. One

### of the 15 chemicals identified in the 

### r"te is PCBTF. The final rule identifies the

### following turo (2) studies on PCBTF:



## . Aquatic 

### Toxicity Testing: 

### toxicity to plants (algae)) 

## ' Ready Biodegradation The PCBTF Testrng Consoftium conducted these tests and timely submitted final test reports to theAgency in its letter dated 

### April 18,201.3. Based on EPA's review 

### of the algae test report, theAgency concludedthat the study was inadequate 

### for purposes 

### of the TSCA Section 4test

t 76 Fed. Res. 65385; Octobet 21,2011,. 2MC International, LLC operatesthe entity, Miami Chemical, Inc., as a DBA. For purposes of U.S. Customs and TSCA, MC Intemational, LLC is the importer.CONTAINS NO CONFIDENTIAL BUSINESS INFORMATION U.S. Enr,'rronmental Protecdon Agency November 4,201.4 Page 3 

### rule and 

### must be re-conducted. 

### The Agency's conclusiorls 

### were set

### fofth 

### in its letter

### of Septemb er 26, 2013, 

## lI. Extension Reqgrest 

### In its September 26,2073 determination letter, 

### trPA stated that a new study plan

### for the 

### ,lg"* test must 

### be submitted 

### to theAgency

### with thefinal report submitted 

### by October 1,2,201'4. TheAgency subsequently granted the PCBTF Testing Consortium's request dated }rlovembet 6,201,3 

### for a delay

### to the date by 

### which the final report must 

### be submitted. 

### This date was December 72,201,4 which was granted by 

### EPA in its response 

### The PCBTF Testing 

### Consortium is requesting an additional extension due

### to the fact that 

### there has been 

### a significant delay 

### in the development 

### of thefinal study 

### plan because the substance's 

### highvolatility and 

### low watet solubility have presented 

### a number 

### of technical challenges 

### which needed 

### to be resolved among 

### the laboratorf, the Consorlium, and EPA. Indeed,the original snrdy planthat wassubmitted

### to EPA inJanuary 

### of this

### ye r resulted 

### in a significant number 

### of comments

### from the Agency. These commeflts were received 

### in March. The Consortium then required additional time 

### to review and tespond

### to EPA's corruneflts, as 

### well as

### work

### with a laboratory 

## to address 

### these complex technical issues. Because

### of subsequent comments and questions raised by the laboratory, the Consortium wascompelled 

### to submit additional, 

### follou/ 

### up questions back 

### to the Agency 

### in August 

### in order

### to obtain 

### EPA's guidance 

### on the conduct

### of the test. 

### Due

### to a backlog, the Agency was delayed 

### in responding 

### to this request 

### until October. 

### It then 

### took an additional 

### month towork 

### with the laboratory ro developthe final study plan. 

### The study plan has now been finalized and signed between the Consottiurn and the laboratory.3 

### The laborarory expects

### that the experimental 

### starting date

### will be 

### in the second 

### half

### of November 

### with adraft report issued sometime 

### in mid to late January. 

### It is also quite possible that because 

### of the substaflce's high volatiJity and 

### poor water solubility, technical issues fflcy atise 

### in the course

### of the test 

### which may require 

### input

### ftom EPA 

### in order

### to addtess and resolve. 

## It is likely also 

### that the holidays may causedelay. 

### Therefore,the PCBTF Testing


### The Consortium understands that 

### EPA

### will accept a schedule modifi.cation tequest 

## if such a request is made 

### in accordance

### with 40 CFR 790.55. Concuttent 

### with this, theAgency stated the

### following

## tr the final rule: 

### A company 

### that submits 

### a letter

### of intent 

### to test under 

### the final rule and that subsequently anticipates difficulties in completing the testing by the deadline set forth inthe final rule may submit a modification request tothe Agency, pursuant to 40 CFR 790.55. EPAwill determine whether modificationofthetest schedule is appropriate...a

3The study plan was signed by the Consortium on lJovember 4, 2014. +76 Fed. Res. 65397.CONTAINS NO CONFIDENTIAL BUSINESS INFORMATION U.S. Environmental Protection Agency November 4,201,4 Page 4

nflith respectto the requirements set

### foth ^t 40 CFR 790.55, The Consortium does not believe thatthe requested modification to the test schedule requested herein would "significandy altet the scope 

### of the test[s] or significantly change the schedule 

### for completing thetest[s]" because 

### it does 

### notmeetany of the conditions set

### forth at79A.55FX4)(4-(rv) and

### furthet because 

### it does not dse to the level 

### of "signiftcant" in terms 

### of time.s Moreover, this alleviates 

### EPAfrom having

### to seek public coffrment befote apptoving these modifications. The Consoftium believes that this additional extension to thetest schedule is a

### minot schedule 

### modification and

### would not prevent theAgency 

### from meeting its statutory obligations under 

### TSCA Section 

### 4 

### or itsvoluntary commitments 

### under eithet the 

### HPV Chemical Challenge Progtam 

### or the 

### OECD HPV SIDS Program. 

### In addidon, this schedule 

### modification tequest does 

### not significantly change the schedule

### for completing the tests asdescribed 

### in 790.55.



### The Consottium thanks 

### theAgency

### fot its coftunents, 

### and detetminations concerning gtven below. considetation 

### in this matter. 

### For all questions, 

### this mattet, please use 

### the contact 

### information
Mr.John 

### V. Massingale Greenwich Chemical Consulting, Inc. 3300 

### PGA Boulevard, Suite 635 Palm Beach Gatdens, 

### FL 33410 Telephone: (561) 578-81 10 Facsimile: (561) 57 8-81,20 E-mail: iohn(n).rrr:cci

.cr-rm

ffi Sincerely,
John

### V. Massingale Principal

Mr. John Schaeffer

## - U.S. 

### EPA PCBTF Testing Consoftium

s40cFR 790.ssox3).FedEx Ship Manager 

### API Label Page Page 

## I of 1

From: (561) 578-8110 JOHN V. MASSINGALE Origin lD: PBIA 

## FecB(" Ship Date: 04NOV14 ActWgt 0.5 LB CAtr; 103160523/WSX|2600 Delivery Address Bar Code GREENWCH CHEMICAL CONSULTING, INC. 33OO PGA BLVD SUITE 635 PALM BEACH GARDENS, FL 33410 

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