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Dust entry

Melamine compounding powder dust

Dust generated while feeding and pressing melamine-based molding powder into tablets for thermoset cookware production.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

total-dust exposurerespirable-dust exposureparticulate irritation concern

Evidence

A NIOSH evaluation at a thermoset cookware facility measured a short-term personal total-dust exposure of 31 mg/m³ during compounding; follow-up sampling measured melamine-compounding total and respirable dust exposures of 7.7 and 0.4 mg/m³, respectively, below the cited OSHA and ACGIH limits in that evaluation.

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page 2 · Summary · 1
A two and one-half hour personal breathing zone (personal) sample for total dust showed a 31 milligram per cubic meter (mg/m³) result. ... Personal respirable dust and total dust exposures to the melamine compounding powder were 0.4 and 7.7 mg/m³ respectively. These are below the OSHA PELs and the ... ACGIH's Threshold Limit Values (TLV).

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