New award maintenance and enhancements of the american meteorological society/environmental protection agency (AMS/EPA) regulatory model (aermod) modeling system (APP-OAR-20-00008)

Ended Awarded Last action

Contract number
68HERH20F0394
Awardee
Awarding agency
Obligated
$3,882,039

Award facts

Opportunity
Contract value 76% obligated
$5,141,107.06 Current and potential, with all options
Completion date 100% complete
Current and potential, with all options
Funding agency
Office of Air and Radiation Headquarters Offices, Environmental Protection Agency
Set-aside
No set-aside
Competition
Full and Open Competition · 1 offer Multiple Award, Fair Opportunity
Pricing
Firm Fixed Price
Place of performance
Penllyn, PA 19422, USA
Legislative mandates

Award details come from SAM.gov/FPDS.

Transactions

Action Obligated Date
Close Out P00067 · MOD - 0067 - deobligation and close out contract -$52,597
Funding Only Action P00066 · MOD - 00066 deobligation of $29,000.00 -$29,000
Other Administrative Action P00065 · MOD - 00065 change the alternate COR and invoice approver from darryl paul to sharon phillips $0
Other Administrative Action P00064 · MOD - 00064 the purpose of this modification is to extend the POP to march 5, 2026. $0
Funding Only Action P00063 · MOD 62 - add funding to greenbook $196,732
Funding Only Action P00061 · MOD 61 - funding to extend period of performance to january 8, 2026 $160,000
Other Administrative Action P00060 · MOD 60 - replacing the alternate COR and invoice approver MOD 59 - incrementally funding in the amount of $35,000.00 $0
Funding Only Action P00059 · MOD 59 - incrementally funding in the amount of $35,000.00 $35,000
Funding Only Action P00058 · The purpose of this modification is to add funding for $40,000.00 and move a capacity of $150,000.00 from clin 3001 to clin 4001 $40,000
Other Administrative Action P00057 · The purpose of this modification is to add the COR and ALT COR. Add funding for $20,00.00 $20,000
Funding Only Action P00056 · The purpose of this modification is to add funding and change COR to carolyn blake from antonio leathers $125,000
Funding Only Action P00055 · The purpose of this modification add funding $145,000
Funding Only Action P00054 · The purpose of this modification is shifting funds $0
Funding Only Action P00053 $50,000
Funding Only Action P00052 · The purpose of this modification is to add funding to option period 4 - clin 4001: $ 50,000.00 (aermod) clin 4001: $112,531.00 (aermod) clin 4001B:$ 50,000.00… $212,531
Funding Only Action P00051 · The purpose of this modification is to add funding to option period 4 $35,000
Exercise an Option P00050 · The purpose of this modification is to exercise OP 4 and add funding in the amount of $10,000.00. $10,000
Funding Only Action P00049 · The purpose of this modification is to add funding in the amount of $90,000.00 $90,000
Funding Only Action P00048 · The purpose of this modification is to shift funds for $1,425.93 $0
Funding Only Action P00047 · The purpose of this modification is add funding in the amount $100,000.00 $100,000
Other Administrative Action P00046 · The purpose of this modification is to add correct the language on page 2 of modification 45 $0
Funding Only Action P00045 · The purpose of this modification is to add funding the amount of $50,000.00 $50,000
Funding Only Action P00044 · The purpose of this modification is to add funding the amount of $150,000.00 $150,000
Funding Only Action P00043 · The purpose of this modification is to add funding the amount of $100,000.00 $100,000
Other Administrative Action P00042 · The purpose of this modification is to add funding the amount of $40,000.00 $40,000
Funding Only Action P00041 $145,000
Funding Only Action P00040 $40,000
Funding Only Action P00038 $45,000
Funding Only Action P00039 · The purpose of this modification is to add funding $35,000
Other Administrative Action P00037 · The purpose of this modification is to correct the period of performance date on modification 36 $0
Exercise an Option P00036 · The purpose of this modification is to exercise option period III and incremental funding $130,000
Funding Only Action P00035 $20,000
Funding Only Action P00034 $100,000
Funding Only Action P00033 $100,000
Funding Only Action P00032 $14,585
Funding Only Action P00031 · The purpose of this modification is incremental funding $40,000
Funding Only Action P00030 · The purpose of this modification is deobligating -$14,586
Funding Only Action P00029 · The purpose of this modification is add funding $69,675
Funding Only Action P00028 · The purpose of this modification is add funding in the amount of $70,000.00 $70,000
Funding Only Action P00027 · The purpose of this modification is add funding in the amount of $50,000.00 $50,000
Funding Only Action P00026 · The purpose of this modification is add funding in the amount of $20,000.00 $20,000
Exercise an Option P00025 · The purpose of this modification is exercise option period II and add funding $170,000
Funding Only Action P00024 · The purpose of this modification is to add funding to option period i $12,000
Funding Only Action P00023 · The purpose of this modification is to shift funding from base to option period i $0
Definitize Change Order P00022 · The purpose of this modification is to increase the ceiling for option period i for two months (july and august), option period II - option period III $122,418
Funding Only Action P00021 $27,000
Funding Only Action P00020 $27,000
Funding Only Action P00019 $100,000
Funding Only Action P00018 $27,000
Funding Only Action P00017 · The purpose of this modification is to add funding $150,081
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About this award

The U.S. Environmental Protection Agency's Office of Air and Radiation awarded a delivery order valued at $5.14 million to WSP USA Environment & Infrastructure Inc. for maintenance and enhancements of the AERMOD (American Meteorological Society/Environmental Protection Agency Regulatory Model) modeling system. AERMOD is a widely-used air quality dispersion model that EPA and state regulatory agencies employ to assess the impact of emissions from industrial and commercial sources on air quality. This contract, awarded September 1, 2020, with an ultimate completion date of March 5, 2026, represents a firm fixed-price engagement issued under a Multiple Award Schedule vehicle. The work performed under this delivery order supports EPA's broader air quality management objectives by ensuring that the regulatory modeling tools used nationwide remain current, functional, and capable of addressing evolving environmental protection needs.

WSP USA, a large engineering and professional services firm specializing in environmental and infrastructure support, brings substantial federal contracting experience to this engagement. As a subsidiary of the global WSP engineering firm, the company has an established track record with EPA and other federal agencies on environmental monitoring and facility support services. The contract was awarded without small business set-aside designation, reflecting WSP's status as a large business competitor. This maintenance and enhancement effort contributes to the operational excellence of one of EPA's critical air quality assessment tools, supporting regulatory compliance and environmental protection efforts across multiple jurisdictions and industrial sectors.

Quick answers

Who was awarded contract 68HERH20F0394?

68HERH20F0394 was awarded to WSP USA Environment & Infrastructure Inc. by Environmental Protection Agency on September 1, 2020.

How much is contract 68HERH20F0394 worth?

The government has obligated $3,882,039 on 68HERH20F0394. Its current value, with exercised options, is $5,141,107.

Which agency awarded contract 68HERH20F0394?

Environmental Protection Agency awarded 68HERH20F0394, with funding from Office of Air and Radiation (Headquarters Offices).

Is contract 68HERH20F0394 an order under another contract?

Yes. 68HERH20F0394 is a delivery order under GS00F314CA, a federal supply schedule, on Multiple Award Schedule (MAS).

Was contract 68HERH20F0394 competed?

The extent of competition for 68HERH20F0394 was full and open competition. The government received 1 offer.

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