Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Water Chem (analysis in Field using
Nach DREL - Beacon)
pH - 7.8
Total alkalinity - 155 ppm
Phenothaline alk - 0
CO2 - 4 ppm (taken after considerable agitation)
Total Hardness - 195 ppm
Ca Hardness - 120 ppm
Sulfate - 20 ppm