QA_CODE,QA_CODE_DESCRIPTION,QA_CODE_USAGE
<,Non-detect ,Water chemistry QA code
A,Regular sample,Water chemistry QA code
B,Field or equipment blank,Water chemistry QA code
D,Field duplicate,Water chemistry QA code
EH,Exceeded holding time,Water chemistry QA code
H01,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H02,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H05,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H10,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H11,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H111,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H113,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H114,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H12,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H127,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H13,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H130,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H14,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H15,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H16,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H17,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H18,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H19,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H20,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H21,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H22,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H23,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H24,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H25,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H26,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H27,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H28,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H29,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H30,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H31,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H32,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H33,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H34,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H35,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H36,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H37,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H38,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H39,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H4,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H40,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H41,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H43,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H46,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H47,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H48,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H49,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H5,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H50,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H51,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H52,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H53,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H54,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H55,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H56,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H57,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H58,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H59,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H6,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H60,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H61,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H62,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H63,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H64,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H65,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H66,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H67,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H68,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H69,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H7,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H70,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H71,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H72,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H73,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H74,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H75,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H78,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H79,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H8,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H80,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H81,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H82,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H83,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H84,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H85,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H86,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H88,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H89,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H9,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H90,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H91,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H92,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H93,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H94,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H95,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H96,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H97,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H98,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
H99,Holding time exceeded; xx indicates # days between sample collection and analysis.,Water chemistry QA code
J,Sample below practical quantitation limit;  but above the detection limit.,Water chemistry QA code
L,Sample lost during analysis,Water chemistry QA code
NA,Not analyzed,Water chemistry QA code
ND,Not detected at level indicated in result column,Water chemistry QA code
P,Not defined,Water chemistry QA code
S,Value intentionally set to missing value (sample not analyzed for particular analyte),Water chemistry QA code
U,Value appeared very unusual during validation but further checks indicate that the value appeared real.,Water chemistry QA code
V,Value suspect by analytical laboratory; value confirmed by re-analysis; original value kept.,Water chemistry QA code
X,Value appeared very unusual during validation; further checking indicated that the value is erroneous or impossible.,Water chemistry QA code
X1,Value appeared very unusual during validation; further checking indicated that the value is erroneous or impossible; value replaced by reanalyzed laboratory measurement.,Water chemistry QA code
X2,Value appeared very unusual during validation; further checking indicated that the value is erroneous or impossible; value replaced by calculated value.,Water chemistry QA code
X3,Value appeared very unusual during validation; further checking indicated that the value is erroneous or impossible; value replaced by alternate laboratory measurement.,Water chemistry QA code
X4,Value appeared very unusual during validation; further checking indicated that the value is erroneous or impossible; no replacment possible; value set to missing.,Water chemistry QA code
Y,Yes sample was a QA sample (a duplicate an equipment blank or a water bottle blank),Water chemistry QA code