Expanded Discussion of the Change in Burden

Summary of PM25 Implementation Rule ICR Burden Estimates
ICR 2258.01 for PM25 Implementation rule -- 39 new areas for 1997 PM25 NAAQS requiring 58 SIP
revisions at 3000, 9000 or 18000 hours per SIP. SIPs due 4/5/2008
labor hours:
annual labor cost:
cost per state:
# States:
hrs/response:
Responses/state:
# state responses:

210,000
$12,700,000
$604,762
21
3,621
2.8
58

ICR 2258.02 for renewal of PM25 Implementation rule includes new areas for 2006 PM25 NAAQS and
remaining work on 1997 PM25 NAAQS areas -- Estimate for additional 31 PM25 areas designated in
2009 for 2006 PM25 NAAQS revision and need to complete work on 39 areas designated in 2007.

2006 PM25 NAAQS -- 31 New areas requiring 37
SIP revisions at 3000, 9000 or 18000 hours per
SIP. SIPs due 12/14/2012

1997 PM25 NAAQS-- Only 1 of the 39 areas remained that had not
submitted a SIP or had a clean data determination suspending the
SIP requirement -- next step estimates a maintenance plan (300
hrs/area) for 57 submittals

Combined costs for 1997 &
2006 PM25 NAAQS

labor hours:
annual labor cost:
cost per state:
State respondents:
hrs/response:
Responses/state:
# state responses:

labor hours:
annual labor cost:
cost per state:
# States:
hrs/response:
Responses/state:
# state responses:

labor hours:
annual labor cost:
cost per state:
# States:
hrs/response:
Responses/state:
# state responses:

157,000
$9,427,923
$523,773
18
4,243
2.1
37

Net change comparison of ICR Renewal burden to original ICR burden estimates
ICR 2258.01
Original Total
burden
labor hours:
annual labor cost:
cost per state:
# States:
hrs/response:
Responses/state:
# state responses:

210,000
$12,700,000
$604,762
21
3,621
2.8
58

ICR 2258.02
Renewal Total
burden
175,400
$10,532,851
$576,389
39
4,560
4.8
95

Net Change of
Renewal burden from
Original ICR burden
-34,600
-$2,167,149
-$28,373
18
940
2.1
37

18,400
$1,104,929
$52,616
21
317
2.8
58

175,400
$10,532,851
$576,389
39
4,560
4.8
95