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In accordance with your requirements to me that you make, the standard Chinese and EPA, spectrum, can be sampled for analysis. You look at the bottom to test out your DDT limits and sampling methods, such as where there is no need to be clear, I will do my best to answer!

Requests me according to you to make to you, Chinese and the EPA corresponding standard, scores Nepal all to be possible to carry on the sampling to carry on the analysis.You looked underneath examines the limiting value and the sampling method for yours DDT, if where needs not to be clear, I can I

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