It correlates with alcohol use during the last two weeks. For longer periods up to 12 months hair strand testing is done, the interpretation of the result of testing for two alcohol specific markers being ethyl glucuronide EtG and Fatty Acid Ethyl Esther FAEE, althought interpretation of the result can be problematic.
Generally speaking, no. Most Anglican Churches operate an 'open table' meaning that anyone who normally receives communion in another church (whether it be Catholic, Methodist or whatever) are welcom to receive communion in the Anglican Church.hey therefore do not regard communion at a Methodist Church as a valid sacrament although theystill regard it as a memorial of Him. Communion from an Orthodox Church is considered valid by the Catholic Church so Catholics can receive it from them but only in cases where it is impossible to attend a Catholic mass.
The Episcopal Church describes itself as Reformed and  Protestant, Yet Catholic . In 2013, the Episcopal Church had 2,009,084 baptized members, of whom 1,866,758 were in the United States.In 2011, it was the nation's 14th largest denomination.he Episcopal Church publishes its own Book of Common Prayer (BCP) (similar to other Anglican prayer books), containing most of the worship services (or liturgies) used in the Episcopal Church.