If you've only smoked one joint, it will probably only be detectable by a urine test for the 4-10 days afterwards. If you're an occasional weed user (let's say a few times a month), this time goes up to 10-20 days.
Edna is a city in Jackson County, Texas, United States. The population was 5,499 at the 2010 census. It is the county seat of Jackson County. Edna is the gateway to 11,000-acre (45 km2) Lake Texana, which covers the site of Texana, Texas.
McKinney is a city in and the county seat of Collin County, Texas, and the second in population to Plano. It is part of the Dallas-Fort Worth metroplex, and is located about 37 miles (60 km) north of Dallas.