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German PCB/PCDD/F study compares #biosolids, manure, compost and fertilizer. Conclusion no threat to the environment - http://t.co/eeTqYudg
German PCB/PCDD/F study compares #biosolids, manure, compost and fertilizer. Conclusion no threat to the environment - http://t.co/eeTqYudg
German PCB/PCDD/F study compares #biosolids, manure, compost and fertilizer. Conclusion no threat to the environment - http://t.co/eeTqYudg
German PCB/PCDD/F study compares #biosolids, manure, compost and fertilizer. Conclusion no threat to the environment - http://t.co/eeTqYudg