Health surveys done during the operation showed high levels of beryllium in plant air, up to 50 times the safety limits of the day. Eliminated OH Painsville Diamond Magnesium Site received at least 1,650 tons of radioactive scrap steel for use in magnesium production, 1951-53. Residual soil contamination identified in the 1980s. Site is slated for government cleanup. Toledo Baker Bros. Machining of uranium metal rods, 1943-44.
Records suggest the operation raised radioactive dust.
Residual contamination identified in several outdoor areas and one small indoor area, 1989. Federal cleanup done in 1996. OH Warren Copperweld Steel Straightening of uranium metal rods, mostly on weekends, early 1940s. More than 3,000 pieces handled in 1943. Records suggest additional work may have occurred.