Latest Calibration Reports

Today’s Report will appear at 8:20 am.

Yesterday’s Report: calibrations2026-05-01.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO Zero Zero 01-May-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.029 0 -.03 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.065 0.066 0.00
O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.400 0.401 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
CV CO Zero 01-May-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO Zero 01-May-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.116 0 -.12 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.064 0.0643 0.00
O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.392 0.3954 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 01-May-2026 00:46:00 01:07:00 0.310 0 .31 3
ED NO Zero 01-May-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.010 0 -.01 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.069 0.069 0.00
O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.430 0.434 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.001 0 0.00
EN NO Zero 01-May-2026 00:46:00 01:07:00 -0.14 0 -.14 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.062 0 -.06 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.21 0 -.21 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 01-May-2026 00:46:00 01:07:00 0.23 0 .23 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.036 0 -.04 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.20 0 .2 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 01-May-2026 00:46:00 01:07:00 0.22 0 .22 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.474 0 -.47 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.25 0 -.25 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.062 0.063 0.00
HC O3 O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.400 0.4 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 01-May-2026 00:46:00 01:07:00 0.1 0 .13 .3
NO Zero 01-May-2026 00:46:00 01:07:00 -0.06 0 -.06 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.072 0 -.07 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.13 0 -.13 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.072 0.072 0.00
O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.402 0.403 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 01-May-2026 00:46:00 01:07:00 0.1 0 .11 .3
DIFF DIFFPrec DIFFPrec 01-May-2026 04:31:00 04:56:00 73.3 72 1.33 3.9
DIFFSpan DIFFSpan 01-May-2026 04:00:00 04:25:00 273.5 268 5.5 16
NOY_Zero NOY_Zero 01-May-2026 02:00:00 02:35:00 0.0 0 .02 3
N500NO Zero Zero 01-May-2026 00:46:00 01:07:00 -0.148 0 -.15 3
N500NO2 Zero 01-May-2026 00:46:00 01:07:00 0.031 0 .03 3
N500NOX Zero 01-May-2026 00:46:00 01:07:00 -0.117 * 0 -.12
NO Zero 01-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 0.031 0 .03 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.01 0 .01 3
NOY NOY_Zero NOY_Zero 01-May-2026 02:00:00 02:35:00 0.0 0 .04 3
O3 Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 01-May-2026 00:46:00 01:07:00 0.789 0 .79 3
YNO NOY_Zero NOY_Zero 01-May-2026 02:00:00 02:35:00 0.0 0 .03 3
LN CO Zero Zero 01-May-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO Zero 01-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_PREC NO2_PREC 01-May-2026 04:30:00 04:51:00 64.340 64.8 -.46 9.6
NO2_SPAN NO2_SPAN 01-May-2026 04:00:00 04:21:00 243.900 243.4 .5 23.8
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.114 0 -.11 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.07 0 -.07 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO Zero 01-May-2026 00:46:00 01:07:00 -0.03 0 -.03 3
M7 NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 72.400 71.6 .8 10.7
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 248.100 253 -4.9 26.5
Zero Zero 01-May-2026 00:46:00 01:07:00 0.013 0 .01 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.01 0 -.01 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 01-May-2026 00:46:00 01:07:00 -0.1 0 -.14 .3
NO Zero 01-May-2026 00:46:00 01:07:00 -0.05 0 -.05 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.132 0 -.13 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.18 0 -.18 3
O3 O3_Prec O3_Prec 01-May-2026 04:30:00 04:51:00 0.065 0.065 0.00
O3_Span O3_Span 01-May-2026 04:00:00 04:21:00 0.403 0.4 0.00
Zero Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 01-May-2026 00:46:00 01:07:00 1.31 0 1.31 3
NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 65.720 60.5 5.22 10.4
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 211.000 191 20 39.8
NO2_Span 01-May-2026 05:46:00 06:07:00 199.600 191 8.6 39.8
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.576 0 -.58 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.73 0 .73 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 01-May-2026 00:46:00 01:07:00 -0.1 0 -.15 .3
NO Zero 01-May-2026 00:46:00 01:07:00 0.39 0 .39 3
NO2 Zero 01-May-2026 00:46:00 01:07:00 -0.122 0 -.12 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.26 0 .26 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.001 0 0.00
SO2 Zero 01-May-2026 00:46:00 01:07:00 0.589 0 .59 3
RS NO2TRACE NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 53.000 52 1 9.7
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 184.400 * 156 28.4 21.7
NO2_Span 01-May-2026 05:46:00 06:07:00 154.500 156 -1.5 21.7
ZERO ZERO 01-May-2026 00:46:00 01:07:00 -0.119 0 -.12 3
NOTRACE ZERO 01-May-2026 00:46:00 01:07:00 0.0 0 .02 3
NOXTRACE ZERO 01-May-2026 00:46:00 01:07:00 -0.1 0 -.1 3
SF NO Zero Zero 01-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 67.060 65 2.06 8.9
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 266.300 268 -1.7 25.3
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.062 0 -.06 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 01-May-2026 00:46:00 01:07:00 -0.002 0 0.00
SM NO Zero 01-May-2026 00:46:00 01:07:00 0.00 0 0.00 3
NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 75.930 73.16 2.77 9.8
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 272.000 257.8 14.2 26.6
Zero Zero 01-May-2026 00:46:00 01:07:00 0.134 0 .13 3
NOX Zero 01-May-2026 00:46:00 01:07:00 0.13 0 .13 3
O3 Zero 01-May-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO Zero 01-May-2026 00:46:00 01:07:00 0.2 0 .26 .3
NO Zero 01-May-2026 00:46:00 01:07:00 -0.064 0 -.06 3
NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 69.140 66 3.14 10.2
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 268.300 256 12.3 26.5
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.010 0 -.01 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.074 0 -.07 3
O3 Zero 01-May-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 01-May-2026 00:46:00 01:07:00 0.558 0 .56 3
V4 NO Zero 01-May-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 NO2_Prec NO2_Prec 01-May-2026 04:30:00 04:51:00 87.30 * 74 13.3 9.8
NO2_Span NO2_Span 01-May-2026 04:00:00 04:21:00 323.50 * 264 59.5 26.5
NO2_Span 01-May-2026 05:46:00 06:07:00 321.90 * 264 57.9 26.5
Zero Zero 01-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NOX Zero 01-May-2026 00:46:00 01:07:00 -0.06 0 -.06 3
O3 Zero 01-May-2026 00:46:00 01:07:00 -0.001 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF