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' <br />' 48 BIOLOGICAL ReroRr 85(1.23) <br />Table 6. Continued. <br /> Resource, criterion, <br />' and other variables Concentration References <br /> <br />~ ~ Laboratory white rat <br /> Diet, safe level, in <1,000 19 <br /> mg/I:g ration FW <br /> Blood, in mg/L <br /> Normal 0.25-0.45 12 <br /> Minimum lethal 2.6-2.9 12 <br /> concentration <br /> Liver <br /> Minimum lethal 0.5-6.1 12 <br /> concentration, in mg/kg FW <br /> Human health <br /> Drinking water, in µg/L <br /> Recommended <5 - <10 1,6,8,13 <br /> United States nationwide Max. 8 7 <br /> survey <br /> Safe <br />Goal, United States <10 <br />QO 1 <br />7,14 <br /> Maximum allowable limit, United States 10 13 <br />' Goal, Canada <br />Lifetime health advisory, United States and <20 <br /><154 7 <br />14 <br /> Canada <br /> Acceptable <200 7 <br /> Mandatory limit 200 13 <br /> Rejected >200 1,8 <br /> ]0-day health advisory <br />' Child <220 14 <br /> Adult <770 14 <br /> Diet <br /> Acceptable daily intake <br />' Water 1.5 mg, equivalent to 0.02 mg/kg 15 <br /> body weight (BW) daily for <br /> <br />Food, in mg/kg BW 70-kg adult <br />8.4 <br />7 <br /> Food, in mg/kg FW <50 15 <br /> Food, in mg total cyanide/kg FW' <415 11 <br />' Cassava, Manihof esculents, roots, total <br /> _ cyanide, in mg/kg FW <br /> Safe c50 16 <br />' Moderately toxic 50-100 16 <br /> Very poisonous >100 16 <br /> Food items, in mg/kg <br /> Cocoa <20 DW 13 <br /> Beans, nuts <25 DW 1 <br /> Cereals, grains <25 DW 13 <br /> Citrus fruits <50 FN' 1 <br />' Uncooked pork <50 FW 13 <br /> Grains <75 FW 1 <br /> <br />r <br />