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ALDEHYDES, SCREENING: METHOD 2539, Issue 2, dated 15 August 1994 - Page 9 of 10 AP PE ND IX C : Refe rence ma ss sp ectra o f oxaz olidines of alde hyde s individ ually sp iked o nto O RB O - 23 t u b e s. GC /MS c o n d i tio n s : H P 5890 gas chromatograph interfaced (direct) to H P 59 70 m as s - s elec ti v e d e te c to r (7 0 e V ); 3 0 -m DB -1 col umn, 0.25-mm I.D ., 1.0-µm fi lm; 70 °C for 1 mi n, 15 ° C/ m in t o 300 ° C ; in te rfa c e te m p e ra tu re, 280 °C ; i njector, 250 °C , 1 µL spli tless i njection; scan 20- 400 am u .

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition