Table 3: Percentage valid and capture data, January-December 2004

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Analyte	Site	Percentage valid data (V) and percentage data capture (C)
		January		February		March		April		May		June		July		August		September		October		November		December		Annual
		V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C	V	C
CO	Burnside	94.2	99.4	92.7	98.1	92.3	99.4	93.4	99.4	84.6	92.2	90.6	95.2	96.9	99.7	95.8	99.5	67.9	75.8	93.1	99.1	91.6	99.7	98.0	99.6	90.2	96.4
NO₂	Mt Eden	93.2	97.0	95.9	99.4	96.1	100	95.8	99.2	95.7	99.2	95.5	99.0	95.5	99.0	81.7	85.2	96.4	99.1	95.3	98.6	N/A	N/A	96.3	98.9	94.3	97.7
NO₂	Penrose	87.6	93.6	92.5	95.9	92.2	95.8	92.6	96.1	95.5	98.9	95.4	99.5	95.2	98.3	94.8	97.2	96.4	100	96.1	99.1	91.5	99.6	92.6	99.2	95.1	97.8
NO₂	Burnside	92.0	99.4	92.7	98.1	83.6	99.4	69.8	75.9	93.8	99.1	93.9	100	97.2	99.5	96.5	98.5	67.9	75.8	93.2	97.3	91.5	99.7	96.4	99.6	89.5	95.2
NO₂	Kowhai	N/A	N/A	N/A	N/A	N/A	N/A	92.9	95.1	86.2	86.2	94.4	97.0	93.6	96.3	95.9	98.7	96.9	99.7	96.2	99.4	96.8	99.6	96.4	99.8	94.2	96.9
SO₂	Penrose	87.6	93.7	92.7	96.2	92.3	95.7	92.4	95.9	96.1	99.5	96.3	99.4	95.4	98.5	93.3	96.9	95.8	100	94.1	99.3	90.3	99.6	93.2	99.6	94.8	97.8
SO₂	Burnside	94.1	99.5	92.7	98.1	92.3	99.4	93.6	99.4	96.8	99.1	94.8	100	96.5	99.8	96.6	99.5	68.0	75.8	93.7	99.1	92.0	99.7	97.2	99.6	92.6	97.4
PM₁₀	Burnside	96.9	99.4	92.6	98.1	95.9	99.3	93.2	99.3	94.6	99.1	95.8	100	97.2	99.8	95.0	99.5	69.6	75.4	99.0	99.3	99.5	99.7	98.9	99.5	94.2	97.4
PM₁₀	Kowhai	N/A	N/A	N/A	N/A	N/A	N/A	78.0	100	87.8	100	97.4	100	94.8	100	97.5	100	98.4	100	98.7	99.6	97.9	99.0	98.8	99.1	94.3	99.7
PM₁₀	Mt Eden	98.8	100	99.3	100	99.8	100	98.9	100	98.5	100	98.7	100	98.7	100	74.4	100	98.3	100	98.1	99.2	N/A	N/A	98.4	98.9	96.5	99.8
PM₁₀	Penrose	98.7	100	99.1	100	99.4	100	98.7	100	98.5	100	98.4	100	98.6	100	96.1	100	97.6	100	98.5	100	98.9	99.6	98.9	99.2	98.4	99.9
VOC	Mt Eden	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
VOC	Penrose	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
VOC	Burnside	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
VOC	St Albans	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
TSP	Mt Eden	0	0	0	0	60	60	100	100	100	100	100	100	100	100	100	100	100	100	100	100	0	0	0	0	63	63
TSP	St Albans	0	0	0	0	100	100	100	100	100	100	100	100	80	80	100	100	100	100	100	100	100	100	100	100	82	82
TSP	Penrose	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
TSP	Kowhai	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	50	50	100	100	100	100	96	96
Lead	Mt Eden	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Lead	Kowhai	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Lead	St Albans	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

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