Table 6.

Internal consistency of predicted intensities

Solvent scorea	No. scenarios (%)b	Measurement data
		No. scenarios with data	No. reported levels	Median (p.p.m.)	Mean (p.p.m.)
Methylene chloride
1: <2 p.p.m.	85 (44)	6	20	1.8	6.5
2: 2 to <20 p.p.m.	77 (40)	37	726	16	21
3: 20 to <200 p.p.m.	30 (16)	22	526	47	66
4: 200 to <2000 p.p.m.	0 (0)	0	0	—	—
5: ≥2000 p.p.m.	0 (0)	0	0	—	—
Overall	192
1,1,1-trichloroethane
1: <0.5 p.p.m.	197 (46)	22	191	0.43	5.0
2: 0.5 to <5 p.p.m.	142 (33)	29	622	6.7	22
3: 5 to <50 p.p.m.	81 (19)	15	116	52	51
4: 50 to <500 p.p.m.	12 (3)	4	18	110	96
5: ≥500 p.p.m.	0 (0)	0	0	—	—
Overall	432
Trichloroethylene
1: <0.3 p.p.m.	2 (<1)	0	0	—	—
2: 0.3 to <3 p.p.m.	55 (11)	18	118	1.7	2.8
3: 3 to <30 p.p.m.	184 (38)	24	239	16	23
4: 30 to <300 p.p.m.	184 (38)	15	127	51	58
5: ≥300 p.p.m.	55 (11)	0	0	—	—
Overall	480

^aCutpoints determining exposure intensity scores were based on solvent SVPs (see text for additional details).

^bThe number of scenario–decades was solvent specific and dependent on the variables in the final models.