Footnote

Explanation

CVRWQCB

California Regional Water Quality Control Board, Central Valley Region

USBR

U.S. Bureau of Reclamation

est 1

estimated value determined by using method for 1 missing values - average of 1/12/97 - 1/14/97

est 5

estimated value determined by using method for 5 missing values

.

Not applicable

P

pending, data not available at this time but will be available in the future

NA

not analyzed - operator error, data will not be available in the future

NP

data not provided - future unknown

NT

not tested