pH

=

6.6299 − 0.0741 Location_Chicopee, MA + 0.1267 Location_Hamden, CT − 0.0526 Location_North Haven, CT − 0.1926 Days Since Palestine, Ohio_26

+ 0.2229 Days Since Palestine, Ohio_30 − 0.0303 Days Since Palestine, Ohio_36

+ 0.4137 Method_Litmus − 0.4137 Method_Meter