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Lobbying

Clean Harbors CLH's latest lobbying report covers Q2 2026, at $90K. The four quarters Q4 2025–Q3 2026 total $270K. Its first report covers Q3 2023; the issues it reports most are Environmental/Superfund and Aviation/Aircraft/Airlines.

Clean HarborsCLH

Clean Harbors stock page

Latest quarter
No record
Q3 2026 · 0 reports
Last 12 months
$270K
Last 4 quarters
vs last quarter
−100.0%
Q3 2026 against the quarter before
First report
Q3 2023
The first quarter a report named it

Lobbying by quarter

Clean Harbors lobbying by quarter
Clean Harbors lobbying by quarter
QuarterAmountReports
Q3 2023$80K1
Q4 2023$80K1
Q1 2024$80K1
Q2 2024$80K1
Q3 2024$90K1
Q4 2024$90K1
Q1 2025$90K1
Q2 2025$90K1
Q3 2025$90K1
Q4 2025$90K1
Q1 2026$90K1
Q2 2026$90K1
Q3 2026$00

By issue

  • Environment and Superfund$645K · 12 reports
  • Aviation and airlines$395K · 9 reports

An issue's amount splits each report's amount equally over the issues the report lists.

Who was lobbied

  • Environmental Protection Agency (EPA)12 reports
  • HOUSE OF REPRESENTATIVES12 reports
  • SENATE12 reports
  • Council on Environmental Quality (CEQ)1 reports
  • Defense, Dept of (DOD)1 reports

Firms it paid

Firm
Squire Patton Boggs$1M12 quarters

Former officials lobbying for it

Former position
AUSTIN HARRISONMarch 2009: Intern for Cong. Gregg Harper; May-Aug. 2013: Intern for Sen. Thad Cochran; January-May 2015: June-August 2015: U.S. Department of State, intern, U.S. Embassy, Zagreb, Croatia.Q2 2026
BRADFORD ELLISONMay 2008-July 2008: Intern to Rep. Al Green (TX); July 2008 - August 2008 and June - August 2010: Intern to Rep. James Clyburn (SC)Q2 2026
DAVID LESSTRANG1996 -2001: Dep. COS and LD, Rep. Jerry Lewis; Jan. 2005- Jan. 2007: Dep. Staff Dir., Com. on Approps; Jan. 2007-Jan. 2011: Professional Staff, House Com.on Approps; Jan. 2011-Aug. 2018: Clerk, Sub. on Interior, Environ. and Related Agencies.Q2 2026
STEPHANIE CHEUNGFebruary 2021-May 2021: Intern, Office of Congresswoman Grace Meng (D-NY-06)Q2 2026
BILL SHUSTER2001-2019, Congressman, U.S. House of RepresentativesQ1 2026
REBEKAH SUNGALAJan. 2018 - Jan. 2019: Leg. Assist., House Transportation & Infrastructure Committee; Sept. 2017-Jan. 2019: Scheduler/Executive Assistant; Congressman Bill Shuster; Nov. 2012-Aug. 2017: Sr. Field Rep., Congressman Bill ShusterQ1 2026
DAVID SCHNITTGERDep. Chief of Staff, Speaker Boehner, 2006-2015; Press Secr., Rep. John Boehner 1994-2001; Communications Director, House Committee on Education and the Workforce 2001-2005Q3 2024
MARA SHELDON1995-1996-Press Sec to Cong. Peter Deutsch; 1996-1997-Com. Dir. to Cong. John D. Dingell; 1997-1998-Com. Dir. to Cong. Brad Sherman; 2000-Com. Dir. to Cong. Nydia Velazquez and to Com. on Small Business.Q3 2024
THOMAS S ANDREWS2009-2013:SA/LC and Sr SA, Rep. John Boehner; 2013-2015:SA to Speaker John Boehner; 2015-2018: Dir of Member Services, Speaker Paul Ryan; 2018- 2021: SA to President for Leg Affairs, White HouseQ3 2024
DARIEN BAILEY FLOWERSJun'20-Jun'22 US Sen.DoT Dep.Pol Dir;Apr '19-Jun'20 staff US Sen.DoT; Oct '17-Oct '18 SA off undSec-DoT Pol.;Jan '15-Feb '17 LA Sen.Cassidy;Jun '13-Jan'15 Sen. Portman RAQ2 2024

Lobbying reports

Filed by
07/10for Q2Squire Patton Boggs$90K
04/14for Q1Squire Patton Boggs$90K
01/09for Q4 2025Squire Patton Boggs$90K
25/10/14for Q3 2025Squire Patton Boggs$90K
25/07/11for Q2 2025Squire Patton Boggs$90K
25/04/14for Q1 2025Squire Patton Boggs$90K
25/01/10for Q4 2024Squire Patton Boggs$90K
24/11/25for Q3 2024Squire Patton Boggs$90K
24/10/11for Q3 2024Squire Patton Boggs$90K
24/07/15for Q2 2024Squire Patton Boggs$80K
24/04/15for Q1 2024Squire Patton Boggs$80K
24/01/15for Q4 2023Squire Patton Boggs$80K
23/10/09for Q3 2023Squire Patton Boggs$80K
23/07/11for Q3 2023Squire Patton BoggsUnder $5,000