"SDN:P01::ATT412AC" . "Unavailable"@en . . "2016-05-09 14:16:34.0" . "2016-05-09 14:16:34.0" . "SDN:P01::ATT412AC" . . . "attn_412nm_cwoffset" . "2" . . "SDN:P01::ATT412AC" . "Attenuation (412nm wavelength) per unit length of the water body by transmissometer and calibration to read zero in clear water"@en . . "false" . "2" . . . . "accepted"@en .