NORTHERN SIERRA AIR QUALITY MANAGEMENT DISTRICT GRETCHEN BENNITT, APCO 

DISTRICT HEADQUARTERS TRUCKEE FIELD OFFICE QUINCY FIELD OFFICE

200 Litton Drive, Suite 320 13450 Donner Pass Rd., Ste. B, Truckee, CA 96161 264 Hospital Rd. 

P.O. Box 2509 P.O. Box 9766, Truckee, CA 96162 P.O. Box 3981, Quincy, CA 95971 

Grass Valley, CA 95945 (530) 550-7872 / FAX: (530) 587-2623 (530) 283-4654 / FAX: (530) 283-0699 

(530) 274-9360 / FAX: (530) 274-7546 email: ryan@myairdistrict.com email: george@myairdistrict.com 

email: office@myairdistrict.com or www.myairdistrict.com 

February 9, 2012 

Sean Hogan, Chief 

Air Quality Section 

US EPA Region IX 

75 Hawthorne St. 

San Francisco, CA 94105-3901 

ANNUAL SLAMS DATA CERTIFICATION for CY 2011 

In accordance with 40 CFR Part 58.26, this letter certifies that the ambient 

concentration data and the quality assurance data for the Northern Sierra Air 

Quality Management District contained in the Aerometric Information and 

Retrieval System/Air Quality Subsystem (AIRS/AQS) for the calendar year 2011, 

is complete and accurate to the best of my knowledge taking into consideration 

the quality assurance findings. AQS AMP450 reports for ozone are attached. 

I also authorize Norma Douglass to do anything with my data that she needs to 

do, in any way that she might choose to do it, for any reason that she might 

deem appropriate should she choose to do so (because I trust Norma). 

SLAMS PM2.5 (88501 - when reported at local conditions) data, though not 

reflected in a SLAMS Data Generation Report, were also complete and are 

accurate to the best of my knowledge. 

Joseph Fish 

Deputy Air Pollution Control Officer 

SERVING THE COUNTIES OF NEVADA, SIERRA AND PLUMAS
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

QUICKLOOK CRITERIA PARAMETERS

Report Request ID: 956469 Report Code: AMP450 Feb. 9, 2012

Selection Criteria Page 1

User ID: EWG

State County Site Parameter POC City AQCR UAR CBSA CSA

EPA

Region Method Duration Begin Date End Date

06 057 0005 44201 2011 2011

GEOGRAPHIC SELECTIONS

SELECTED OPTIONS

EVENTS PROCESSING

MERGE PDF FILES

WORKFILE DELIMITER

Option Type Option Value

EXCLUDE REGIONALLY CONCURRED EVENTS

YES

,

SORT ORDER

1

2

3

4

5

6

7

Order Column

PARAMETER_CODE

STATE_CODE

COUNTY_CODE

SITE_ID

POC

DATES

EDT_ID

Tribal

Code

APPLICABLE STANDARDS

Standard Description

Ozone 1-hour Daily 2005

Ozone 8-Hour 2008
Feb. 9, 2012

Note: The * indicates that the mean does

not satisfy summary criteria.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

QUICK LOOK REPORT (AMP450)

Page 1 of 5

EXCEPTIONAL DATA TYPES

EDT DESCRIPTION

0

1

2

5

NO EVENTS

EVENTS EXCLUDED

EVENTS INCLUDED

EVENTS WITH CONCURRENCE EXCLUDED
Feb. 9, 2012

Note: The * indicates that the mean does

not satisfy summary criteria.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

QUICK LOOK REPORT (AMP450)

Page 2 of 5

Ozone (44201) California Parts per million (007)

SITE ID

P

O

C PQAO CITY COUNTY ADDRESS YEAR METH

VALID

DAYS

MEAS

1ST

MAX

1-HR CERT EDT

06-057-0005 1 0145 Grass Valley Nevada 200 LITTON DR.,

 GRASS VALLEY, 

CA

2011 087 356 .094 .092 0

2ND

MAX

1-HR

1-HOUR 

NUM

DAYS

REQ

365 .090

3RD

MAX

1-HR

.084

4TH

MAX

1-HR

DAY

MAX>

STD

0

EST

DAYS>

STD

 0.0

MISS

DAYS<

STD

3
Feb. 9, 2012

Note: The * indicates that the mean does

not satisfy summary criteria.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

QUICK LOOK REPORT (AMP450)

Page 3 of 5

Ozone (44201) California Parts per million (007)

SITE ID

P

O

C PQAO CITY COUNTY ADDRESS YEAR METH

VALID

DAYS

MEAS

4TH

MAX

8-HR CERT EDT

06-057-0005 1 0145 Grass Valley Nevada 200 LITTON DR.,

 GRASS VALLEY, 

CA

2011 087 .081 .078 0

8-HOUR 

NUM

DAYS

REQ

365 .078 .076

DAY

MAX>

STD

354 6

%OBS

97

1ST

MAX

8-HR

2ND

MAX

8-HR

3RD

MAX

8-HR
Feb. 9, 2012

Note: The * indicates that the mean does

not satisfy summary criteria.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

QUICK LOOK REPORT (AMP450)

Page 4 of 5

44201 087 INSTRUMENTAL ULTRA VIOLET ABSORPTION

PARAMETER

METHOD

CODE COLLECTION METHOD ANALYSIS METHOD

METHODS USED IN THIS REPORT
Feb. 9, 2012

Note: The * indicates that the mean does

not satisfy summary criteria.

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

QUICK LOOK REPORT (AMP450)

Page 5 of 5

PQAOS USED IN THIS REPORT

PQAO AGENCY DESCRIPTION

0145 California Air Resources Board
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

DATA QUALITY INDICATOR REPORT

Report Request ID: 964499 Report Code: AMP255 Mar. 2, 2012

Selection Criteria Page 1

User ID: EWG

State County Site Parameter POC City AQCR UAR CBSA CSA

EPA

Region Method Duration Begin Date End Date

06 057

GEOGRAPHIC SELECTIONS

PROTOCOL SELECTIONS

Parameter

Classification Parameter Method Duration

44201

SELECTED OPTIONS

INCLUDE ONLY APPENDIX A 

MONITORS

RESTRICT TO MONITORING 

SEASONS

MERGE PDF FILES

Option Type Option Value

NO

YES

YES

GLOBAL DATES

2011

Start Date End Date

01 01 2011 12 31

Tribal

Code

Q1 Q4
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

DATA QUALITY INDICATOR REPORT Mar. 2, 2012

Page 1 of 3

Code Listing

The following codes may be seen in the "MT" column throughout this report. Please be advised that not all of the 

codes may appear in the report. They are provided for completeness.

NR S

P T

SP I

NC IX

ID N

NA CN

F O

PN ST

VS QA

X SS

SU SU

TS U

UP W

M

NON-REGULATORY SLAMS

PAMS TRIBAL MONITORS

SPECIAL PURPOSE IMPROVE

NCORE INDEX SITE

INDUSTRIAL NAMS

NATTS CASTNET

NON-EPA FEDERAL OTHER

PROPOSED NCORE SCHOOL AIR TOXICS

VOL SCHOOL AT QA COLLOCATED

SECURED SLAMS SPECIATION

SUPLMNTL SPECIATION SUPPLMNTL SPECIATION

TRENDS SPECIATION UNKNOWN

UNOFFICIAL PAMS WHO

WMO

Code Description Description

Notes About this Report

If you see this value for a column in a summarized row, this means that more than one occurence exist in the summary. For example, if you have a PQAO 

summary that spans multiple States, you would see this value in the States column. 

M

Code

For specific information about the fields appearing within this report, please refer to the README.txt file that is included with the WORKFILE output 

for this report. 
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

DATA QUALITY INDICATOR REPORT Mar. 2, 2012

Page 2 of 3

1-Point Quality Control

Pollutant: O3 PQAO: 0145 (California Air Resources Board) App A?: Yes

Year Region State Site ID POC MT

Begin

Date

End

Date # Req # Obs

% 

Complete CV Bias

2011

2011

2011

2011

SUMMARY

09

09

09

09

09

CA

CA

CA

CA

CA

06-057-0005

06-057-0007

06-057-1001

SUMMARY

1

1

1

S

O

S

01-JAN-11

01-MAY-11

01-JAN-11

31-DEC-11

31-OCT-11

31-DEC-11

26

13

26

65

65

32

184

11

227

227

100

100

42

81

81

 1.63

 3.09

 2.01

 2.83

 2.83

 1.33

 2.25

 1.53

 2.05

 2.05

+/-

+/-

+/-

+/-

+/-
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY

AIR QUALITY SYSTEM

DATA QUALITY INDICATOR REPORT Mar. 2, 2012

Page 3 of 3

Annual Performance Evaluations

Pollutant: O3 PQAO: 0145 (California Air Resources Board) Yes

Year Region State Site ID POC MT

Begin

Date

End

Date

2011

2011

2011

2011

SUMMARY

09

09

09

09

09

CA

CA

CA

CA

CA

06-057-0005

06-057-0007

06-057-1001

SUMMARY

1

1

1

S

O

S

01-JAN-11

01-MAY-11

01-JAN-11

31-DEC-11

31-OCT-11

31-DEC-11

App A?:

 1.14

 0.00

 0.57

 0.57

0

0

0

0

3

3

6

6

0

0

0

0

0

0

0

0

Avg %D / Level

L1/6 L2/7 L3/8 L4/9 L5/10 Q1 Q2 Q3 Q4

Obs / Q

Met?

Criteria

Y

Y

67

67

-5.06

-5.06

 5.36

 5.36

Conf. Limits

Lower Upper

100

100

% Btwn

Conf.

Limits

1-Point

 0.00

-0.66

-0.33

-0.33

-0.78

 0.80

 0.01

 0.01

(Levels 6 thru 10)

(Levels 6 thru 10)

(Levels 6 thru 10)

(Levels 6 thru 10)

(Levels 6 thru 10)