Health-based Recommended Occupational Exposure Limits for Ethyl Acrylate
Health-based Recommended Occupational Exposure Limits for Ethyl Acrylate

Author: Netherlands. Werkgroep van Deskundigen ter Vaststelling van MAC-Waarden

Publisher:

Published: 1990

Total Pages: 50

ISBN-13:

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The experimental no effect level was 20 mg ethyl acrylate/m3. The exposure with slight effects was at 100 mg/m3. The real no effect level is between 20 and 100 mg/m3. Therefore an occupational exposure limit of 20 mg eth-acr/m3 TWA 8 hr is advised with "H" (skin absorption possible).

Health-based Recommended Occupational Exposure Limit for Methyl Ethyl Ketone
Health-based Recommended Occupational Exposure Limit for Methyl Ethyl Ketone

Author: Netherlands. Werkgroep van Deskundigen ter Vaststelling van MAC-Waarden

Publisher:

Published: 1991

Total Pages: 60

ISBN-13:

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The NAEL of 7500 mg MEK/m3 (rat, 90 days) will be taken as a starting point. In view of the absence of long-term data and carcinogenicity data a safety factor of 10 is taken. Therefore, a OEL of 7500 : 10 mg/m3 = 750 mg MEK/m3 TWA 8 hr (250 ppm) is advised for exposure to MEK alone. Since skin absorption can add to the inhalatory exposure a "H" indication is advised. This value is above the odour threshold of detection; Biological monitoring it is advised to use as a BEI 2.7 mg MEK/l urine at the end of the workshift.