Table 5.

The LTCR calculated for AA and FA according to CSF proposed by IRIS and OEHHA.

	LTCR (summer) for acetaldehyde CSF = 7.70 × 10−3 for acetaldehyde (IRIS)
	Age groups (year)
	Birth to <1	1 to <2	2 to <3	3 to <6	6 to <11	11 to <16	16 to <21	21 to <61	61 to <71	71 to <81	81 and older
LTCR, 5%	8.85 × 10−5	9.23 × 10−6	7.82 × 10−6	6.64 × 10−6	4.33 × 10−6	2.46 × 10−6	2.35 × 10−6	2.04 × 10−6	1.67 × 10−6	1.58 × 10−6	1.57 × 10−6
LTCR, mean	5.26 × 10−5	5.09 × 10−5	4.26 × 10−5	4.03 × 10−5	2.80 × 10−5	1.79 × 10−5	1.30 × 10−5	1.21 × 10−5	1.19 × 10−5	9.69 × 10−6	9.25 × 10−5
LTCR, 95%	1.51 × 10−4	1.47 × 10−4	1.14 × 10−4	1.10 × 10−4	8.75 × 10−5	5.15 × 10−5	3.55 × 10−5	3.32 × 10−5	3.04 × 10−5	3.77 × 10−5	2.79 × 10−5
	LTCR (winter) for acetaldehyde CSF = 7.70 × 10−3 for acetaldehyde (IRIS)
LTCR, 5%	3.62 × 10−6	3.64 × 10−6	3.07 × 10−6	2.93 × 10−6	1.91 × 10−6	1.2 × 10−6	8.11 × 10−7	8.45 × 10−7	7.81 × 10−7	6.79 × 10−7	6.06 × 10−7
LTCR, mean	2.12 × 10−5	2.18 × 10−5	1.82 × 10−5	1.68 × 10−5	1.22 × 10−5	7.55 × 10−6	5.50 × 10−6	5.04 × 10−6	4.58 × 10−6	4.24 × 10−6	3.74 × 10−6
LTCR, 95%	6.01 × 10−5	6.19 × 10−5	5.11 × 10−5	4.65 × 10−5	3.62 × 10−5	2.16 × 10−5	1.56 × 10−5	1.36 × 10−5	1.03 × 10−5	1.20 × 10−5	1.07 × 10−5
	LTCR (summer) for formaldehyde CSF = 4.55 × 102 for formaldehyde (IRIS)
	Age groups (year)
	Birth to <1	1 to <2	2 to <3	3 to <6	6 to <11	11 to <16	16 to <21	21 to <61	61 to <71	71 to <81	81 and older
LTCR, 5%	1.78 × 10−5	1.83 × 10−5	1.54 × 10−5	1.38 × 10−5	9.95 × 10−6	6.73 × 10−6	4.69 × 10−6	4.42 × 10−6	4.01 × 10−6	3.46 × 10−6	3.02 × 10−6
LTCR, mean	5.62 × 10−5	5.83 × 10−5	4.45 × 10−5	4.48 × 10−5	3.07 × 10−5	1.84 × 10−5	1.38 × 10−5	1.25 × 10−5	1.15 × 10−5	1.04 × 10−5	9.71 × 10−6
LTCR, 95%	1.19 × 10−4	1.12 × 10−4	9.36 × 10−5	9.61 × 10−5	6.63 × 10−5	3.93 × 10−5	2.92 × 10−5	2.57 × 10−5	2.58 × 10−5	2.21 × 10−5	2.13 × 10−5
	LTCR (winter) for formaldehyde CSF = 4.55 × 102 for formaldehyde (IRIS)
LTCR, 5%	9.15 × 10−6	9.26 × 10−6	8.00 × 10−6	6.52 × 10−6	5.29 × 10−6	2.13 × 10−6	2.47 × 10−6	2.20 × 10−6	1.78 × 10−6	5.10 × 10−6	1.69 × 10−6
LTCR, mean	3.01 × 10−5	3.12 × 10−5	2.69 × 10−5	2.31 × 10−5	1.76 × 10−5	1.05 × 10−5	7.81 × 10−6	7.00 × 10−6	6.26 × 10−6	1.01 × 10−5	5.54 × 10−6
LTCR, 95%	7.03 × 10−5	7.25 × 10−5	6.04 × 10−5	5.44 × 10−5	4.05 × 10−5	2.42 × 10−5	1.82 × 10−5	1.61 × 10−5	1.40 × 10−5	1.78 × 10−5	1.24 × 10−5
	LTCR (summer) for acetaldehyde CSF = 1.00 × 102 for acetaldehyde (OEHHA)
	Age groups (year)
	Birth to <1	1 to <2	2 to <3	3 to <6	6 to <11	11 to <16	16 to <21	21 to <61	61 to <71	71 to <81	81 and older
LTCR, 5%	1.22 × 10−5	2.44 × 10−5	8.16 × 10−6	8.87 × 10−6	6.22 × 10−6	4.25 × 10−6	2.96 × 10−6	2.57 × 10−6	2.07 × 10−6	2.15 × 10−6	1.97 × 10−6
LTCR, mean	6.80 × 10−5	1.37 × 10−4	5.43 × 10−5	4.97 × 10−5	3.61 × 10−5	2.27 × 10−5	1.68 × 10−5	1.59 × 10−5	1.36 × 10−5	1.27 × 10−5	1.22 × 10−5
LTCR, 95%	1.84 × 10−4	4.06 × 10−4	1.56 × 10−4	1.36 × 10−4	1.03 × 10−4	6.20 × 10−5	4.72 × 10−5	4.56 × 10−5	4.00 × 10−5	3.77 × 10−5	3.57 × 10−5
	LTCR (winter) for acetaldehyde CSF = 1.00 × 102 for acetaldehyde (OEHHA)
LTCR, 5%	4.63 × 10−6	4.60 × 10−6	4.30 × 10−6	3.55 × 10−6	2.47 × 10−6	1.55 × 10−6	1.15 × 10−6	1.22 × 10−6	1.03 × 10−6	9.54 × 10−7	7.94 × 10−7
LTCR, mean	2.81 × 10−5	2.87 × 10−5	2.84 × 10−5	2.04 × 10−5	1.56 × 10−5	9.28 × 10−6	7.23 × 10−6	6.26 × 10−6	5.79 × 10−6	5.61 × 10−6	4.82 × 10−6
LTCR, 95%	7.84 × 10−5	8.49 × 10−5	6.83 × 10−5	6.07 × 10−5	4.36 × 10−5	2.61 × 10−5	2.10 × 10−5	1.74 × 10−5	1.63 × 10−5	1.72 × 10−5	1.45 × 10−5
	LTCR (summer) for formaldehyde CSF = 2.10 × 102 for formaldehyde (OEHHA)
	Age groups (year)
	Birth to <1	1 to <2	2 to <3	3 to <6	6 to <11	11 to <16	16 to <21	21 to <61	61 to <71	71 to <81	81 and older
LTCR, 5%	8.27 × 10−5	8.20 × 10−5	7.30 × 10−5	6.20 × 10−5	4.74 × 10−5	3.01 × 10−5	2.43 × 10−5	2.03 × 10−5	1.72 × 10−5	1.58 × 10−5	1.58 × 10−5
LTCR, mean	2.58 × 10−4	2.50 × 10−4	2.19 × 10−4	1.87 × 10−4	1. 39 × 10−4	8.75 × 10−5	6.54 × 10−5	6.00 × 10−5	5.21 × 10−5	4.71 × 10−5	4.63 × 10−5
LTCR, 95%	5.42 × 10−4	5.31 × 10−4	4.91 × 10−4	3.94 × 10−4	2.97 × 10−4	1.85 × 10−4	1.44 × 10−4	1.33 × 10−4	1.16 × 10−4	1.05 × 10−4	9.86 × 10−5
	LTCR (winter) for formaldehyde CSF = 2.10 × 102 for formaldehyde (OEHHA)
LTCR, 5%	4.17 × 10−5	3.77 × 10−5	3.61 × 10−5	3.33 × 10−5	2.32 × 10−5	1.41 × 10−5	1.05 × 10−5	1.05 × 10−5	1.17 × 10−5	2.27 × 10−5	6.81 × 10−6
LTCR, mean	1.45 × 10−4	1.46 × 10−4	1.22 × 10−4	1.06 × 10−4	8.16 × 10−5	5.5 × 10−5	3.64 × 10−5	3.50 × 10−5	3.81 × 10−5	4.86 × 10−5	2.52 × 10−5
LTCR, 95%	3.41 × 10−4	3.38 × 10−4	2.94 × 10−4	2.27 × 10−4	1.90 × 10−4	1.19 × 10−4	8.31 × 10−4	8.06 × 10−5	9.11 × 10−5	8.24 × 10−5	5.69 × 10−5