Document gnJqwR4B7r6XMNpkom6KOZQL

i y / I July 1, 1977 Mr. Andy Marias Industrial BIO-TEST Labs. l8lO Frontage Road Northbrook, 111. 6006? re: IBT J7300 - BTL-70-16 Toxicity, Reproduction and Residue Sturdy on AROCLORS 1242, 1254 and 1260 Dear Mr. Marias: Confirming our telephone conversation, you may dispose of the 6 or 7 large boxes which contain samples from the referenced study. Very truly yours. bAp James Laveglia, PhD Senior Toxicologist DSW 552737 STLCOPCB4091154