Assertion: agent purple | /r/HasAspect | 32.8 ppm of tcdd
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Source sentences:
text: A 2003 Nature paper by Stellman et al., which re-apprised the average TCDD content of Agent Orange from the 3 ppm that USAF had reported to a level of 13 ppm, also estimated that Agent Purple may have had 32.8 ppm of TCDD on average.