Pork is the most popular meat in China as it forms more than three-fourths of total meat consumption in the country. The nation produced more than half the world's total pork in 2012, while consumers spent around $183 billion consuming it.
Cocaine is detectable by standard drug tests on urine up to 72 hours after use. Long-term, habitual users may have traces of cocaine in their system for longer than the standard three days. The level of concentration that triggers a positive result for coke use is 300 ng/ml.
A popular choice for cocaine testing is to have the subject provide a urine sample. A urine test is relatively inexpensive and can detect relatively recent (within the past seven days) use as well as long-term exposure to the drug.his method is more expensive than conducting a urine test. The average cost of this method is in the $100-$150 range. A person is more likely to test positive on a hair test than one using a urine sample. A hair sample test for cocaine can detect the presence of the drug quite readily.