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SIERRA, RICHARD CHANG has received $170K across 1 U.S. federal contract in Puerto Rico, primarily from the Department of Defense in 2019. These records are sourced from USASpending.gov.
Source: USASpending.gov (federal contract awards).
1 federal award · Dormant · latest 2019-09-19
Total public funding
$169,763
Sum of federal contract awards received.
Contracts
1
Funding agencies
1
Depends on a single federal agency.
Largest award share
100%
Biggest single award as a share of total funding.
Award Concentration Index
100/100
How it's computed: Herfindahl-Hirschman Index of award amounts: Σ(share²)×100.
100 = a single award · lower = funding spread across more awards.
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