2.  2008 average nail salon industry standard price for a full set of acrylic nails:  2008 average Vietnamese owned salon price for a full set of acrylic nails:  MMA  EMA  Deliberate mislabeling of products by manufacturer and / or distributor $52.25 $28.86 costs $9 - $60 / gallon costs ≥ $200 / gallon

3. Chemical Average Daily Exposure (ADE): This is your exposure if you: 8 hrs / day 6 days / week Work as a nail technician for 8 years Reference Concentration (RfC) = Amount Considered Safe Hazard Quotient (HQ) EMA Used (n = 1) 41.23 mg/m 3 MMA Used (n =4) 9.12 mg/m 3 0.3 mg/m 3 (PPRTV) 137 0.7 mg/m 3 (IRIS) 13 All air samples taken from Marty, Adam; Ethyl methacrylate and methyl methacrylate exposure among fingernail sculptors; University of South Florida; 2007; Thesis and Dissertations Paper 2278

4. Chemical Average Daily Exposure (ADE): This is your exposure if you: 8 hrs / day 6 days / week Work as a nail technician for 8 years Reference Concentration (RfC) = Amount Considered Safe Hazard Quotient (HQ) EMA (n = 6) 15 mg/m 3 MMA (n = 6) 0.236 mg/m 3 0.3 mg/m 3 (PPRTV) 0.7 mg/m 3 (IRIS) 52 <1 All air samples taken from Marty, Adam; Ethyl methacrylate and methyl methacrylate exposure among fingernail sculptors; University of South Florida; 2007; Thesis and Dissertations Paper 2278

5.  Nail technicians have an unacceptably high exposure to chemicals  EPA needs to revisit and revise toxicity values (especially EMA)  There are several other chemicals in the salon that could exacerbate health problems  In absence of a safer alternative chemical, ventilation and PPE must be provided  More needs to be done to protect the health of nail technicians and other vulnerable populations