Table 5. 2013 Volatile Organic Compound results.

Operator	Process	Total time worn/min exposed	TWA (ppm)	TWA Exposure Standards (maximum allowed)
Technician	Sealing orthotic casts using methylated spirits Using 3M Super 77 Spray Adhesive Mixing and applying Eco-Lam Resin and sealing resin	277	Pentanes=16.25 ppm Methyl Methacrylate=ND Isopropyl Alcohol=3.94 ppm Toluene=ND (50 ppm) Xylenes=ND (80 ppm) MEK=ND (150 ppm) Acetone=0.58 (500 ppm)	600 ppm 50 ppm 400 ppm 50 ppm 80 ppm 150 ppm 500 ppm
Prosthetist	Plaster Work Office work No gluing but working adjacent to gluing bench	387	Methyl Methacrylate=ND Ethyl Alcohol=4.35 ppm Toluene=ND Xylenes=ND MEK=ND Acetone=ND	50 ppm 1,000 ppm 50 ppm 80 ppm 150 ppm 500 ppm
Prosthetist	Plaster Work Office work Gluing orthotic using Foss Adhesive and solvent	396	Methyl Methacrylate=ND Ethyl Alcohol=3.38 ppm Toluene=ND Xylenes=ND MEK=ND Acetone=ND	50 ppm 1,000 ppm 50 ppm 80 ppm 150 ppm 500 ppm

ND=Not Detected

No other specific VOC’s were detected in any of the samples