Page:NIOSH Manual of Analytical Methods - 1501.pdf/7

 HYD RO CAR BO NS, AR OM ATIC : MET HO D 150 1, Issue 3, dated 15 M arch 200 3 - page 7 of 7

TABLE 4. MEASUREMENT RANGE AND PRECISION a Measurement Substance

a

LOD (µg/sample)

Range (mg)

Precision ( Ö r)

benzene

0.5

0.004-0.35

0.013

p-tert-butyltoluene

1.1

0.013-1.09

0.017a

cumene

0.6

0.039-3.46

0.017

ethylbenzene

0.5

0.045-8.67

0.015

"-methylstyrene

0.6

0.036-3.57

0.014

$-methylstyrene

0.6

0.036-0.728

0.014

toluene

0.7

0.024-4.51

0.022

o-xylene

0.8

0.044-10.4

0.014

m-xylene

0.8

0.043-0.864

0.013

p-xylene

0.7

0.043-0.861

0.015

styrene

0.4

0.181-8.49

0.014

Corrected va lue, ca lculated from data in [5].

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition