 From:       Richard Krock <rkrock@vinylinfo.org>                                                                               
                                                                                                                                 
  To:         Jodi Howard/RTP/USEPA/US@EPA                                                                                       
                                                                                                                                 
  Date:       09/24/2010 03:31 PM                                                                                                
                                                                                                                                 
  Subject:    VI Status Update on PVC Resin Test Method Development Program                                                      
                                                                                                                                 





Dear Ms. Howard,

As you requested, a status update is attached from Environmental
Chemistry, Inc. along with the Vinyl Institute’s estimate of timing to
complete the PVC resin test method development program.  Please do not
hesitate to contact me with any questions that may arise during your
review of the documents.   Thank you for the opportunity to submit this
information for the PVC MACT rule development.

Regards,



Richard Krock
Technical Director

The Vinyl Institute
1737 King Street Suite 390
Alexandria, VA 22314
Direct:  571.970.3392
Mobile:  571.216.4474
Fax:  571.970.3271
Email:  rkrock@vinylinfo.org 
http://www.vinylinfo.org 
http://www.vinylindesign.com(See attached file: ECI Status letter
Richard Krock VI 09-22-2010.pdf)(See attached file: VI Cover Letter to
EPA for ECI Update on Resin Test Methods  09-24-10.pdf)