Many other oxyanions form complexes; these include copper(II) acetate, copper(II) nitrate, and copper(II) carbonate. Copper(II) sulfate forms a blue crystalline pentahydrate, the most familiar copper compound in the laboratory. It is used in a fungicide called the Bordeaux mixture.
CBSA has tools available to avoid border wait times at our 26 busiest land border crossings. The Current Border Wait Times table displays wait times for reaching the CBSA primary inspection booth when crossing the Canada/U.S. land border and is updated hourly. [More]
The San Ysidro Border Crossing at San Diego is home to the world's busiest land border crossing. It is where U.S. Interstate 5 crosses into Mexico at Tijuana. The San Ysidro Border Crossing is one of three ports of entry in the San DiegoâTijuana metropolitan region. San Ysidro Border Wait Times Phone Numbers. To check on waiting time at the U.S./Mexico checkpoints, call the corresponding numbers: