Try these links for more info

hope it helps:

http://www.nodrugwar.com/html/false_pos/cannabinoid.htm

http://www.labcorp.com/datasets/labc...o/fo000600.htm

http://www.idmscorp.com/marijuanates...juanatest.html

Looks like above 50ng/ml is the baseline they measure from. If it is above that then he had a higher concentration of THC in his body. What kind of test did they do, urine or blood? if you need anything else email me at [email protected]

i would be glad to assist