NAPHTHAS: METHOD 1550, Issue 2, dated 15 August 1994 - Page 4 of 5
Method
Overall Precision ( SˆrT)
S86 (b) S380 (a) S382 (b) NOTES:
0.051 0.052 0.052
Bias 5.99% -4.37% -3.10%
Range Studied Accuracy mg/m 3 ±15.0% ±12.5% ±11.4%
193 to 809 937 to 3930 1417 to 5940
mg per sample 2 to 8 4 to 16 4.5 to 18
Avg. DE
Ref.
0.88 0.96 0.95
[1,2] [1,3] [1,4]
(a) Data based on experiments using an internal standard method with a 10 ft., 1/8" stainless steel column packed with 10% OV-101 on 100/120 mesh Supelcoport. (b) Data based on experiments using an internal standard method with a 6 ft., 1/8" stainless steel column packed with 1.5% OV-101 on 100/120 mesh Chromosorb W.
REFERENCES: [1] [2] [3] [4] [5]
Documentation of the NIOSH Validation Tests, S86, S380, S382, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-185 (1977). NIOSH Manual of Analytical Methods, 2nd ed., V. 2, Method S86, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-157-B (1977). Ibid, V. 3, S380, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-157-B (1977). Ibid, S382. Criteria for a Recommended Standard...Occupational Exposure to Refined Petroleum Solvents, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-192 (July, 1977).
METHOD REVISED BY: Ardith A. Grote, NIOSH/DPSE; S86, S380 and S382 originally validated under NIOSH Contract CDC-99-74-55.
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
