Page:NIOSH Manual of Analytical Methods - 5602.pdf/14

 CHLORINATED AND ORGANONITROGEN HERBICIDES (AIR SAMPLING): METHOD 5602, Issue 1, dated 15 January 1998 - Page 14 of 14

FIGURE 5. TYPICAL CHROMATOGRAM OF CHLORINATED HERBICIDE STANDARDS ON DB-5 COLUMN COLUMN: DB-5ms Fused Silica Capillary Column, 30 meters X 0.32 mm I.D. X 1.0 µm thick film. TEMPERATURE PROGRAM: 90 C (1 min. Hold), to 160 C at 35 C/min, then to 200 C at 5 C/min, then to 230 C at 3 C/min, hold for 9 minutes. INJECTION VOLUME AND MODE: 2-µL, splitless. ANALYTES: 1. 2. 3. 4. 5. 6. 7. 8.

2,4-D, Methyl Ester Simazine Atrazine Alachlor Metolachlor Cyanazine 2,4-D, Butoxyethyl ester 2,4-D, 2-Ethylhexyl ester

0.3 µg/mL 2.0 µg/mL 2.5 µg/mL 0.5 µg/mL 0.5 µg/mL 0.8 µg/mL 0.4 µg/mL 0.3 µg/mL

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition