XANAX (alprazolam) HAS a duration of action of up to 6 hours. If you want to know how long after you take it can it be DETECTED, that's different. Most benzodiazapines, when taken on a regular basis, can be detected in the urine from 24 hours to 72 hours.
The color of that mulch is a dark brown, browner than most brown mulches. I thought it was good mulch until I noticed how large the pieces were. They were similar to large chunks of wood more so than mulch.
Wood chips mulches are made from different types of hardwood and soft wood species. Bark mulches are sold in three particle sizes: chunks, granules and shredded bark. Chunk bark most often becomes decorative mulch around shrub beds or trees. It also prevents water loss and weed growth.