Table 1. USP particle limits for injectable solutions⁴.

	No. of 10 µm particles	No. of 25 µm particles
USP Test 1.A (for volumes >100 mL)	<25 per mL	<3 per mL
USP Test 1.B (for volumes <100 mL)	<6,000 per container volume	<600 per container volume