Table 2. Relative standard deviations for analyses of dissolved species in pore water during Leg 164.		

Analyte	SD (%)	Standard

Cl-	0.18	IAPSO
Alkalinity	2.1	IAPSO
SO42-	1.6	IAPSO
SO42-	3.2	Interstitial water containing 2.1 mM SO42-
K+	2.8	IAPSO
Mg2+	2.1	IAPSO
Ca2+	3.8	IAPSO
Sr2+	1.2	IAPSO
NH4+	5.9	Standard curve (0.5-30 mM)
SiO2	3.1	Standard curve (100-1000 uM)

Notes: SD = standard deviation. IAPSO = International Association for the Physical Sciences of the Ocean.