Latest Calibration Reports

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

Yesterday’s Report: calibrations2026-05-24.CSV

Site Parameter Sequence Phase Start Time End Time Value Expected Value Error Drift Warning Limit
BV NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:20:00 378.30 386 -7.7 41.5
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.010 0 -.01 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:20:00 387.80 392 -4.2 41.8
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.02 0 -.02 3
O3 Zero 24-May-2026 00:46:00 01:07:00 -0.001 0 0.00
CV CO Zero 24-May-2026 00:46:00 01:07:00 0.0 0 .06 .3
NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 323.80 363.6 -39.8 42.5
NOX_Span 24-May-2026 05:46:00 06:07:00 332.10 363.6 -31.5 42.5
Zero Zero 24-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.035 0 -.04 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 328.70 360 -31.3 42.5
NOX_Span 24-May-2026 05:46:00 06:07:00 331.20 360 -28.8 42.5
Zero Zero 24-May-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2 Zero 24-May-2026 00:46:00 01:07:00 0.436 0 .44 3
ED NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 380.10 385 -4.9 41.9
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.10 0 -.1 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.025 0 .03 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 389.40 392 -2.6 41.9
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.07 0 -.07 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
EN NO Zero 24-May-2026 00:46:00 01:07:00 -0.20 0 -.2 3
NO2 NO2_Prec NO2_Prec 24-May-2026 04:36:00 04:57:00 70.060 70 .06 10.5
NO2_Span NO2_Span 24-May-2026 04:00:00 04:21:00 284.600 282 2.6 27.8
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.108 0 -.11 3
NOX Zero 24-May-2026 00:46:00 01:07:00 -0.31 0 -.31 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
H3 NO Zero 24-May-2026 00:46:00 01:07:00 0.29 0 .29 3
NO2 NO2_Prec NO2_Prec 24-May-2026 04:30:00 04:51:00 66.310 72.5 -6.19 9.9
NO2_Span NO2_Span 24-May-2026 04:00:00 04:20:00 240.200 260 -19.8 28.2
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.077 0 -.08 3
H3 NOX Zero Zero 24-May-2026 00:46:00 01:07:00 0.22 0 .22 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
HC NO Zero 24-May-2026 00:46:00 01:07:00 0.24 0 .24 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.417 0 -.42 3
NOX Zero 24-May-2026 00:46:00 01:07:00 -0.17 0 -.17 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
HV CO Zero 24-May-2026 00:46:00 01:07:00 0.1 0 .17 .3
NO Zero 24-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 NO2_Prec NO2_Prec 24-May-2026 04:30:00 04:51:00 78.620 77 1.62 10.5
NO2_Span NO2_Span 24-May-2026 04:00:00 04:21:00 265.300 269 -3.7 25.6
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.002 0 0.00 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.04 0 .04 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
HW CO Zero 24-May-2026 00:46:00 01:07:00 0.0 0 .01 .3
DIFF NOY_Zero NOY_Zero 24-May-2026 02:00:00 02:35:00 0.2 0 .25 3
N500NO Zero Zero 24-May-2026 00:46:00 01:07:00 -0.148 0 -.15 3
N500NO2 Zero 24-May-2026 00:46:00 01:07:00 0.355 0 .36 3
N500NOX Zero 24-May-2026 00:46:00 01:07:00 0.207 * 0 .21
NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 435.90 441.4 -5.5 44.5
Zero Zero 24-May-2026 00:46:00 01:07:00 0.02 0 .02 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.073 0 .07 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 445.40 446.6 -1.2 44.1
Zero Zero 24-May-2026 00:46:00 01:07:00 0.09 0 .09 3
NOY NOY_Zero NOY_Zero 24-May-2026 02:00:00 02:35:00 0.3 0 .25 3
O3 Zero Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
SO2TRACE Zero 24-May-2026 00:46:00 01:07:00 0.786 0 .79 3
YNO NOY_Zero NOY_Zero 24-May-2026 02:00:00 02:35:00 0.0 0 .01 3
LN CO Zero Zero 24-May-2026 00:46:00 01:07:00 0.2 0 .3 .3
NO Zero 24-May-2026 00:46:00 01:07:00 -0.07 0 -.07 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.162 0 -.16 3
NOX Zero 24-May-2026 00:46:00 01:07:00 -0.24 0 -.24 3
LN O3 O3_Prec O3_Prec 24-May-2026 04:30:00 04:51:00 0.064 0.064 0.00
O3_Span O3_Span 24-May-2026 04:00:00 04:21:00 0.392 0.394 0.00
Zero Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
M7 NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 395.20 399 -3.8 39.3
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.01 0 -.01 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.012 0 .01 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 395.60 399 -3.4 40.9
Zero Zero 24-May-2026 00:46:00 01:07:00 0.01 0 .01 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
NR CO Zero 24-May-2026 00:46:00 01:07:00 -0.1 0 -.17 .3
NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 393.60 400 -6.4 41.1
Zero Zero 24-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.039 0 -.04 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 410.70 414 -3.3 41.7
Zero Zero 24-May-2026 00:46:00 01:07:00 0.00 0 0.00 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
P2 NO Zero 24-May-2026 00:46:00 01:07:00 0.21 0 .21 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.035 0 -.04 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.17 0 .17 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.000 0 0.00
RP CO Zero 24-May-2026 00:46:00 01:07:00 -0.2 0 -.24 .3
NO Zero 24-May-2026 00:46:00 01:07:00 0.46 0 .46 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.181 0 -.18 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.28 0 .28 3
O3 O3_Prec O3_Prec 24-May-2026 04:30:00 04:51:00 0.066 0.064 0.00
O3_Span O3_Span 24-May-2026 04:00:00 04:21:00 0.393 0.389 0.00
Zero Zero 24-May-2026 00:46:00 01:07:00 0.001 0 0.00
SO2 Zero 24-May-2026 00:46:00 01:07:00 0.715 0 .72 3
RS NO2TRACE ZERO ZERO 24-May-2026 00:46:00 01:07:00 -0.100 0 -.1 3
NOTRACE ZERO 24-May-2026 00:46:00 01:07:00 0.0 0 .04 3
NOXTRACE ZERO 24-May-2026 00:46:00 01:07:00 -0.1 0 -.06 3
SF NO NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 377.40 378 -.6 46.2
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.08 0 -.08 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.039 0 .04 3
NOX NOX_Span NOX_Span 24-May-2026 04:00:00 04:21:00 392.50 395 -2.5 45.9
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.04 0 -.04 3
O3 Zero 24-May-2026 00:46:00 01:07:00 -0.001 0 0.00
SM NO Zero 24-May-2026 00:46:00 01:07:00 0.03 0 .03 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 -0.007 0 -.01 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.02 0 .02 3
O3 O3_Prec O3_Prec 24-May-2026 04:30:00 04:51:00 0.062 0.06338 0.00
O3_Span O3_Span 24-May-2026 04:00:00 04:21:00 0.390 0.3972 -.01
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.002 0 0.00
UT CO CO_Prec CO_Prec 24-May-2026 04:30:00 04:51:00 4.0 4 .08 .4
CO_Span CO_Span 24-May-2026 04:00:00 04:21:00 39.9 39.3 .64 4.1
Zero Zero 24-May-2026 00:46:00 01:07:00 0.0 0 .04 .3
NO Zero 24-May-2026 00:46:00 01:07:00 0.032 0 .03 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.039 0 .04 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.071 0 .07 3
O3 Zero 24-May-2026 00:46:00 01:07:00 0.0 0 0.00
SO2 Zero 24-May-2026 00:46:00 01:07:00 0.620 0 .62 3
V4 NO Zero 24-May-2026 00:46:00 01:07:00 0.04 0 .04 3
NO2 Zero 24-May-2026 00:46:00 01:07:00 0.07 0 .07 3
NOX Zero 24-May-2026 00:46:00 01:07:00 0.11 0 .11 3
O3 O3_Prec O3_Prec 24-May-2026 04:30:00 04:51:00 0.067 0.069 0.00
O3_Span O3_Span 24-May-2026 04:00:00 04:21:00 0.407 0.406 0.00
Zero Zero 24-May-2026 00:46:00 01:07:00 -0.002 0 0.00
* - Drift limit exceeded
** - Out of control limit exceeded

First Report: calibrations2020-03-26.PDF