Sen. Richard Blumenthal (D-Conn.) on Tuesday said the White House "has been contemptible" about national security as Democrats look to refute a memo crafted by House Intelligence Committee chairman Devin Nunes Devin Gerald NunesSunday shows preview: With less than two months to go, race for the White House heats up Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington Sunday shows preview: White House, congressional Democrats unable to breach stalemate over coronavirus relief MORE's (R-Calif.) staff that alleges surveillance abuses at the Justice Department.

"This White House has been contemptible about security," Blumenthal told CNN's Chris Cuomo on "New Day."

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"I'm going to be calling later today for the 30-40 names of the interim security clearances because I believe they are a threat to national security. They owe us those names," he continued.

"Security matters and that's why the refutation of the Nunes [memo] also matters," he said.

President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE on Friday blocked the release of a Democratic countermemo from the House Intelligence Committee just one week after the White House authorized the release of the Nunes memo.

White House counsel Don McGahn said the administration believed releasing the Democratic memo would create “especially significant concerns” for “national security and law enforcement interests.”

The House Intelligence Committee's ranking member, Rep. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (D-Calif.), said on Sunday that Trump does not want the public to see the “underlying facts” in the Democratic countermemo because they would undercut his “claim of vindication” in the Russia probe.

“The president doesn’t want you to see these facts from the [Foreign Intelligence Surveillance Act] FISA application because it completely undermines his claim of vindication,” Schiff told CBS’s “Face the Nation."

Blumenthal said on CNN that Democrats on the committee are "being very responsible to work with the FBI and the Department of Justice to eliminate any parts of [the countermemo] that may compromise security."