Document pmG5b6m0z1KowDg9j0npaLqxd

I III May 6, 1975 IIII Mr. David Critchfleld Criteria and Standards Divisions WH 451 4o M Street, Southwest Washington, D.Q. 20460 Dear David: ' Enclosed are copies of the fish toxicity studies, witt/Aroclors, which you requested. These are referenced as follows: --3-----' 1. Industrial BIO-TEST Report A 8570, Kov. 17, 1972, BTL-72-103, and 2. Industrial BIO-TEST Report A 9380, Jan. 12, 1972, BTL-72-129. Sincerely, i /bkp ; enc.-2 iI1I - Paul L. Wright, PhD Mgr., Toxicology DS\N 282951 STLCOPCB4064280