Document pmNerdwDYL4mBdB5798pkLz5B

cc* D. L, Herndon X>. A. Boellen Wynnewood Wilmington, Delaware May IS* 1572 im I *1 X...TJSM&MB. Part 1918.2:52 and 253 of the Federal Safety and Wealth Standard has been redesignated Part 1.926*352 and 353. A copy is attached for yoar information, these standards per* tain to ventilation requirements for welding* cutting or beating of metals containing or coated with toxic substances such as lead* sine* cadmium, chromium or mercury. Zt is suggested that you advise Grinnell of the amounts of these materials in 389*172 so that they can take tbs appropriate steps to conform to the standard. 389*172 contains* as added ingredients* only two of the heavy metals listed in Part 1926.353s Chromium * 0.42% (on total solids) head * 2.0096 ma . S. SWAIN* JR. TOXICITY a POLMJTION CCNTROiL f'/iflBWiawva Attaoh. N38343