1.5 Years Since the First Exam Where Someone Sat Seiza on a Chair | November Programming Ability Test to be Held in Ginowan, Okinawa [Deadline: October 16]

In April 2025, we held our first Programming Ability Test (Pro-Ken) at the Cross Wave classroom in Ginowan. Two people took ...
US Environmental Protection Agency

Approved CWA Chemical Test Methods

300.0 Inorganic Anions by Ion Chromatography. Revision 2.1 300.1 Inorganic Anions in Drinking Water by Ion Chromatography. Revision 1.0 310.2 Alkalinity, Colorimetric, Automated Methyl Orange 335.4 ...