Statutory Authority: RCW 77.12.047. 01-17-074 (Order 01-172), § 220-140-020, filed 8/16/01, effective 9/16/01; 00-20-040 (Order 00-200), § 220-140-020, filed 9/28/00, effective 10/29/00. Statutory Authority: 1989 c 426 and RCW 75.08.080. 90-04-026 (Order 90-06), § 220-140-020, filed 1/30/90, effective 3/2/90.

The test for ethylene oxide is specified in many individual drug monographs of USP24/NF19. The limit test concentration is currently 10 ppm. While the specific test solution and method will vary depending on the particular drug monograph, the solution below is suitable for most tests. If your test requires a different ethylene oxide solution, fill out our Custom Reference Standards Request Form.