July 1, 2011

BASF

The Chemical Company

U.S. Environmental Protection Agency

Office of Chemical Safety and Pollution Prevention

Office of Pesticide Programs

Pesticide Re-evaluation Division (7508P)

Front End Processing Desk

1200 Pennsylvania Avenue, NW

Washington DC, 20460

Attention:

Ms. Khue Nguyen

Risk Management and Implementation Branch I, Chemical Review Manager

RE: Pendimethalin

Information Submitted for Consideration During Consultation with NMFS

Dear Ms. Nguyen:

BASF Corporation received the EPA letter entitled "EPA Consultation with the National Marine

Fisheries Service (NMFS) Regarding the Effects of the Pesticide Pendimethalin on Pacific

Salmonids" dated March 3 2011.

As an Applicant, BASF may submit information on Pendimethalin for consideration during the ESA

consultation with NMFS. BASF is submitting the following information under cover of this letter:

1) a BASF-compiled summary of all federally registered uses (crop and non-crop) for

Pendimethalin (see file entitled "Pendimethalin_list of registered uses_NMFS consultation

Jul201 l.pdf’)

2) a data matrix for BASF’s Pendimethalin Technical, EPA Reg.No. 241-245, indicating all

environmental fate and ecotoxicology data historically submitted by BASF in support of the

registration of Pendimethalin (see file entitled "Pendimethalin Technical_241-245_Data Matrix

Efate Ecotox_NMFS consultation Jul2011.pdf’)

3) four ecologically relevant studies conducted by BASF on Pendimethalin, not previously

submitted to EPA, entitled:

- BAS 455 H (pendimethalin, AC 92553): Zebra fish (Danio rerio), full life cycle test with

sediment, static approach

- Bioacumulation of Pendimethalin (AC 92553) in the Benthic Oligochaete Tubifex tubifex

- Evaluation of Direct and Indirect Effects on Fish and Bioconcentration in Aquatic

Organisms of 14C-labelled Pendimethalin (14C-URL-AC 92553) in Outdoor Pond

Uesocosms

- Evaluation of Direct and Indirect Effects of 400 g/L SC Formulation (STOMP® 400) of

Pendimethalin (AC 92553) on Aquatic Organisms in Outdoor Pond Mesocosms

BASF Corporation, Crop Protection, 26 Davis Drive, Research Triangle Park, North Carolina 27709-3528 telephone (919) 547-2000 l
4)

i,, ,, BASF

The Chemical Company

the most recently EPA-approved/accepted labels for BASF’s end-use products of

Pendimethalin (both crop and non-crop) as follows:

- Prowl® H20 herbicide, EPA Reg.No. 241-418 (crop uses)

- Prowl® 3.3 EC herbicide, EPA Reg.No. 241-337 (crop uses)

- Pendulum® AquaCap herbicide, EPA Reg.No. 241-416 (non-crop uses)

- Pendulum® 3.3 EC herbicide, EPA Reg.No. 241-341 (non-crop uses)

- Pendulum® 2G herbicide, EPA Reg.No. 241-375 (non-crop uses)

Please find included with this letter a CD-ROM that contains the files of all the abovementioned

information.

BASF requires that EPA treats items #2 and #3 as confidential information/data and that EPA

handles this information accordingly.

A duplicate copy of the CD-ROM is also being sent under this cover letter to:

Dr. Tony Hawkes

National Marine Fisheries Service

510 Desmond Drive SE

Suite 102

Lacey, WA 98503

Regards,

Craig D. Kleppe, Ph.D.

Product Registration Manager

email craig.kleppe@basf.com, Tel 919-547-2615, Fax 919-547-2850

® Registered Trademark of BASF

BASF Corporation, Crop Protection, 26 Davis Drive, Research Triangle Park, North Carolina 27709-3528 telephone (919) 547-2000