The units also include public housing. Units at Imperial Courts and Jordan Downs had lead concentrations between 5ppb and ...
While a third exceeded the safe limit of 5ppb, 18% were over the US limit of 15ppb. Among the areas studied were Montreal, the second-largest city in Canada (population 1.75m), and Oakville ...
分辨率0.15ppb 荧光Fluorescein 范围：0-500ppb，分辨率0.01ppb 罗丹明Rhodamine 范围：0-1000ppb，分辨率0.01ppb 有色可溶性有机物 范围：0-1250ppb OS，分辨率0.15ppb QS，范围0-5000ppb OS，分辨率 0.5ppb QS 磷酸盐 ...
分辨率0.15ppb 荧光Fluorescein 范围：0-500ppb，分辨率0.01ppb 罗丹明Rhodamine 范围：0-1000ppb，分辨率0.01ppb 有色可溶性有机物 范围：0-1250ppb OS，分辨率0.15ppb QS，范围0-5000ppb OS，分辨率 0.5ppb QS 磷酸盐 ...
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