Page:NIOSH Manual of Analytical Methods - 5603.pdf/5

 ALACHLOR in AIR: METHOD 5603, Issue 1, dated 15 January 1998 - Page 5 of 5

REFERENCES: [1] Sammons DL, Kennedy ER [1997]. Backup data for alachlor (unpublished report). [2] Aga DS, Thurman EM, Pomes ML. Determination of alachlor and its sulfonic acid metabolite in water by solid-phase extraction and enzyme-linked immunosorbent assay.Analytical Chemistry. 66:14951499 (1994). [3] NIOSH [1998]. Chlorinated organonitrogen and acid herbicides in air: Method 5602. In: Eller PM, Cassinelli ME, eds. NIOSH manual of analytical methods, th4 ed., 2nd supplement. Cincinnati, OH: National Institute for Occupational Safety and Health, DHHS (NIOSH) Publication No. 98-119. [4] EnviroGard Alachlor Plate Kit. P 30128, Rev A 3/14/95. Millipore. [5] Sanderson WT, Biagini R, Henningsen G, Ringenburg V, MacKenzie B [1995]. Exposure of commercial pesticide applicators to the herbicide alachlor. Am Ind Hyg Assoc 56:890-897. J

METHOD WRITTEN BY: Deborah Sammons and Eugene Kennedy, Ph.D., NIOSH/DPSE

TABLE 1. METHOD SUMMARY Method Evaluation Data Test Average (µg/sample)

Independent Average (µg/sample)

Precisionb Bias Calculated (sampling and [(test/indep) -1] Accuracy (± %) analysis)

0.01x

0.259

0.24

0.109

0.080

27.7

0.1x

2.17

2.4

0.170

-0.094

35.3

0.5x

12.7

12.0

0.081

0.059

23.0

1x

23.9

24.0

0.063

-0.003

13.2

2x

48.9

48.0

0.090

0.019

18.4

5x

128.4

120

0.122

0.070

29.1

Arbitrary Exposure Limit (1 mg/m3)a

a

b

Theoretical Exposure Concentrations were based on the NIOSH RELs of similarly classified pesticides. Precision is not statistically poolable.

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition