101 | Add to Reading ListSource URL: www.ada.orgLanguage: English - Date: 2011-01-05 11:58:14
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102 | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2005-10-25 10:20:40
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103 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2001-04-17 07:40:54
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104 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2010-01-27 08:37:13
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105 | Add to Reading ListSource URL: www.rsc.orgLanguage: English - Date: 2011-09-14 11:35:39
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106 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-01-19 12:57:59
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107 | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2006-08-15 08:59:47
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108 | Add to Reading ListSource URL: ehs.unc.eduLanguage: English - Date: 2010-10-01 11:53:49
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109 | Add to Reading ListSource URL: dsp-psd.pwgsc.gc.caLanguage: English |
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110 | Add to Reading ListSource URL: www51.honeywell.comLanguage: English - Date: 2011-08-29 01:00:44
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