Table 4.

Geometric mean (%) arsenic intake from food and water, μg/day, non-seafood-eaters only, stratified by tap water As concentration above versus below the maximum contaminant limit (MCL) of 10 ppb.

	Tap water As ≤ 10 ppb		Tap water As > 10 ppb
	Duplicate Diet Sample	Diet diary and Schoof et al. (1999)	Duplicate Diet Sample	Diet diary and Schoof et al. (1999)
N	181	176	35	35
Dietary total As	12.87 (93.0%)	46.20 (95.2%)	15.23 (60.9%)	52.58 (74.3%)
Drinking water As	0.97 (7.0%)	0.97 (2.0%)	9.78 (39.1%)	9.78 (13.8%)
Cooking water As	§	1.34 (2.8%)	§	8.38 (11.8%)
Total As intake	13.84	48.51	25.01	70.74
Dietary inorganic As		7.09 (75.4%)		7.97 (30.5%)
Drinking water As		0.97 (10.3%)		9.78 (37.4%)
Cooking water As		1.34 (14.3%)		8.38 (32.1%)
Total Inorganic As intake		9.40		26.13

^§Duplicate food samples contain water used in preparation and cooking.