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Riley Brothers, Inc., Burlington, Iowa
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Description:"In response to a request from the owner of Riley Brothers, Inc. (SIC- 2851), Burlington, Iowa, a study was made of possible hazardous working conditions. Concern centered around the possibility that certain production workers were exposed to various solvents and that the solvent levels measured in their blood tests were quite varied in nature. The company manufactured paint for different uses according to customer specifications. Major products included formulations of solvent based paints, and spray painting or dip painting of metal parts. Waterproofing material composed of coal- tar pitch was also made here for use by roofers. One paint formulator had a combined exposure to naphtha (8030306) and xylene (1330207) which was 1.7 times the recommended exposure limit. Short term exposures to xylene for two paint strippers were 157 and 173 parts per million (ppm) which exceeded the 150ppm recommended level. Urinary methyl-hippuric-acid concentrations before and after work shifts indicated a cross shift change greater than 1500 milligrams/gram creatinine which corresponded to an air level of xylene exceeding 100ppm. The authors conclude that some workers are at risk of developing adverse health effects. The authors recommend improvements in the ventilation system, use of organic vapor respirators, and use of proper respiratory protection during specified projects." - NIOSHTIC-2
NIOSH no. 00190656
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