Table 1.
XRF and leachate results for aluminum and brass cookware.
Pot # | Description | Primary material | Country of origin | Median Pb level (XRF, ppm) | Range of Pb levels (XRF, ppm) | Lead leachate conc. at 15 min (μg/mL) | Lead dose/serving at 15 min (μg/250 mL) | Lead leachate conc. at 24 h (μg/mL) | Lead dose/serving at 24 h (μg/250 mL) |
---|---|---|---|---|---|---|---|---|---|
50 | Idli maker | Hindalium/indolium | India | 626 | (81, 1463) | 0.0182 | 4.55b | 0.132 | 33c |
51 | Kadai | Brass | India | 5049 | (128, 47,191) | 0.766 | 192c | 1.34 | 335c |
52 | Uruli/kadai | Hindalium/indolium | India | 256 | (103, 290) | 0.00434 | 1.09 | 0.0268 | 6.7b |
53 | Tadka pan | Hindalium/indolium | India | 290 | (0, 306) | 0.00389 | 0.973 | 0.135 | 33.8c |
54 | Appam pan | Hindalium/indolium | India | 716 | (603, 794) | 0.0144 | 3.6b | 12.3 | 3080c |
55 | Kadai | Hindalium/indolium | India | 756 | (15, 813) | 0.0245 | 6.13b | 0.926 | 232c |
56 | Unknown | Hindalium/indolium | India | 517 | (362, 636) | 0.0157 | 3.93b | 1.05 | 263c |
57 | Caldero | Aluminum alloy | Colombia | 13 | (0, 71) | 0.00092 | 0.23 | 0.0185 | 4.63b |
58 | Idli maker | Food-grade aluminum | India | 715 | (308, 1327) | 0.028 | 7b | 0.27 | 67.5c |
59 | Caldero | Aluminum alloy | Colombia | 8a | (0, 15) | 0.00075 | 0.188 | 0.0157 | 3.93b |
60 | Caldero | Aluminum alloy | Colombia | 9a | (0, 15) | 0.0006 | 0.15 | 0.0167 | 4.18b |
61 | Caldero | Aluminum alloy | Colombia | 7a | (0, 17) | 0.0006 | 0.15 | 0.0149 | 3.73b |
62 | Kadai | Hindalium/indolium | India | 528 | (0, 624) | 0.0457 | 11.4c | 1.36 | 340c |
80 | Stock pot | Aluminum alloy | Unknown | 9 | (0, 38) | 0.00005 | 0.0125 | 0.00023 | 0.0575 |
81 | Cookpot | Aluminum alloy | Thailand | 14 | (0, 27) | 0.00183 | 0.458 | 0.0154 | 3.85b |
82 | Stock pot | Aluminum alloy | USA | 11a | (0, 19) | 0.0001 | 0.025 | 0.00187 | 0.468 |
83 | Stock pot | Aluminum alloy | USA | 51 | (0, 83) | 0.00014 | 0.035 | 0.0007 | 0.175 |
84 | Dutch oven | Aluminum alloy | USA | 0a | (0, 17) | 0.00083 | 0.208 | 0.00255 | 0.638 |
85 | Stock pot | Aluminum alloy | El Salvador | 15 | (0, 27) | 0.00118 | 0.295 | 0.0105 | 2.63b |
86 | Pressure cooker | Aluminum alloy | China | 8a | (0, 147) | 0.00053 | 0.133 | 0.004 | 0.898 |
87 | Stock pot | Aluminum alloy | USA | 11a | (0, 15) | 0.00014 | 0.035 | 0.003 | 0.793 |
88 | Stock pot | Aluminum alloy | China | 50 | (0, 94) | 0.00105 | 0.263 | 0.010 | 2.55b |
89 | Cookpot | Aluminum alloy | China | 93 | (0, 26) | 0.00045 | 0.113 | 0.001 | 0.243 |
90 | Cookpot | Aluminum alloy | Vietnam | 0a | (0, 34) | 0.00012 | 0.03 | 0.0003 | 0.0825 |
91 | Cookpot | Aluminum alloy | China | 0a | (0, 20) | 0.00013 | 0.0325 | 0.00024 | 0.06 |
92 | Cookpot | Aluminum alloy | China | 13 | (0, 26) | 0.013 | 3.25b | 0.0207 | 5.18b |
93 | Pressure cooker | Aluminum alloy | Afghanistan | 538 | (0, 48,193) | 0.183 | 45.8c | 3.96 | 990c |
94 | Pressure cooker | Aluminum alloy | Afghanistan | 605 | (0, 64,852) | 0.194 | 48.5c | 4.63 | 1158c |
95 | Pressure cooker | Aluminum alloy | Afghanistan | 548 | (0, 51,021) | 0.131 | 32.8c | 3.12 | 780c |
96 | Wok | Brass | Thailand | 0a | (0, 0) | 0.00455 | 1.13 | 0.00549 | 1.38 |
97 | Sauce pan | Brass | India | 0a | (0, 1182) | 0.079 | 19.8c | 0.129 | 32.3c |
98 | Tope | Brass | India | 1343 | (1012, 1544) | 0.418 | 105c | 0.728 | 182c |
100 | Pital pot | Brass | India | 3611 | (2859, 4585) | 5.72 | 1430c | 10.8 | 2700c |
aMore than 50% of XRF measurements <LOD.
bEstimated dose ≥ child IRL (2.2 µg/day) and <adult IRL (8.8 µg/day).
cEstimated dose ≥ adult IRL (8.8 µg/day).