The hill of chemical waste beside farmer Wu Shuliang’s rice paddy [in rural Yunnan]...was from a factory next door, a byproduct from making chemicals used for tanning leather... Wu['s]...sons...breathed the dust that blew off of the hill...Greenpeace...test[ed] the water...surrounding the hill. The samples were high in Chromium-6, a known carcinogen...[Wu's son] Wu Wenyong...was diagnosed with...cancer...On Feb. 16, 2012, Wu Wenyong died [at age 15]...[V]illages like these supply China with its food...Five years ago, a soil survey...from...agricultural provinces shocked Chinese consumers. Sixty percent of the rice samples showed excessive amounts of cadmium, a heavy metal that causes bone and kidney damage. At the time, Chinese scientists openly discussed the widespread contamination...But these days, they’re not talking...because late last year, China’s communist party declared national soil surveys ‘state secrets.’...Marketplace contacted [factory owner Yunnan] LuLiang Peace Technology [part of Peace Chemical & Industry], and the factory manager, Mr. Qian, spoke to us. After we told him we were a news organization, he hung up and didn’t answer any more calls...A local judge has also agreed to review the case of Luliang Peace Technology’s contamination...