h467i RESIDUAL SOLVENTS - USP-NF

methylpyrrolidone, and sulfolane. Other appropriate validated procedures are to be employed for the quantification of these residual solvents. Such procedures shall be submitted to the USP for review and possible inclusion in the relevant individual monograph.] Table 2. Class 2 Residual Solvents Solvent PDE (mg/day) Concentration Limit (ppm)

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