Some people remain attached to the 3,000-mile oil change and have a hard time trusting the recommendations in the ownerâs manual. If youâre one of those skeptics, you can send your engine oil out to be analyzed.
Picnic tables made of pressure-treated wood have become common, and are fine to use for the purpose they were intended... to serve food on (or play cards on), not to prepare food on! They should be coated as needed with an oil-based wood preservative (not paint or opaque stain) to seal in the chemical preservative.
ACQ and CA. Less hazardous chemicals have since replaced CCA as the common lumber-treating substance. Today, amine copper quat, or ACQ, and copper azone, or CA, are most readily found in pressure-treated wood to be used in residential projects. Itâs important to know what your wood has been treated with because this will effect your galvanized-nail choice.