Northwest Dive Club

Someone tried to release lobster here once, that did not go over well with WDFW enforcement. Invasive species are one of the top threats to Puget Sound.

That's sewage, not hazardous waste. Here's the fact sheet for that treatment plant: http://www.ecy.wa.gov/programs/wq/permits/permit_pdfs/tacoma_n/tacoma_n_fs.pdf And here's its operating permit: http://www.ecy.wa.gov/programs/wq/permits/permit_pdfs/tacoma_n/tacoma_n_permit.pdf While the bacteria co...

PSI recommends lubing all threads with Dow Corning 111 (a high quality silicon) on all air cylinders. Cristolube on nitrox cylinders. There's no drawbacks to lubing the threads and plenty of bimetallic corrosion frustration waiting if you don't. Use a wrench to loosen, not the knob. Hand tight is fi...

I've got everything I need to CB now. Just have to plumb it all together. I trust my own gas and maintenance way more that any dive shop. I KNOW when those filters were last changed (12.78 hours ago). They have just barely started to turn the 20% RH strip and I just submitted an air sample for testi...

Heat and oil can create CO, esp. from mineral oils and continuous blending. Synthetic oils are better in high O2 or just hot environments in general. Gasoline engine exhaust is the other major source. The only thing which can remove CO is hopcalite (which actually catalytically converts it to CO2). ...