Table 5.

Number (N) and percentage of EGs by estimation method and by analyte.

	Estimation method
Analyte	Bayesiana (N, %)	High censoring Bayesianb (N, %)	OBSM (N, %)	Substitutionc	Total
Total hydrocarbons	2541 (95)	125 (5)	0	7 (0)	2673
Benzene	1147 (43)	727 (27)	211 (8)	588 (22)	2673
Toluene	2338 (87)	216 (8)	9 (0)	110 (4)	2673
Ethylbenzene	1507 (56)	480 (18)	139 (5)	547 (20)	2673
Xylene	2418 (90)	144 (5)	4 (0)	107 (4)	2673
n-Hexane	1462 (55)	715 (27)	142 (5)	354 (13)	2673
Total	11 413 (71)	2407 (15)	505 (3)	1713 (11)	16 038

^a Bayesian (≤80% censored, N ≥ 5; or higher censoring at greater values of N as indicated in Table 3, Cases 1, 3, 5, 7, 9, 11).

^b High censoring Bayesian (indicated in Table 3, Cases 2, 4, 6, 8, 10, 12).

^c Substitution method = LOD/2.