Segment Information (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Components of Segment Revenues and Adjusted EBITDA

Segment revenues and Adjusted EBITDA consisted of the following:

	Three Months Ended June 30,
	2022					2021
			Segment					Segment
	Segment		Adjusted			Segment		Adjusted
	Revenues		EBITDA			Revenues		EBITDA
Assessment, Permitting and Response	$	50,037	$	10,809		$	70,705	$	14,856
Measurement and Analysis		42,224		7,047			39,117		9,491
Remediation and Reuse		47,649		7,056			26,402		4,309
Total Operating Segments		139,910		24,912			136,224		28,656
Corporate and Other		—		(8,399	)		—		(7,693	)
Total	$	139,910	$	16,513		$	136,224	$	20,963
	Six Months Ended June 30,
	2022					2021
			Segment					Segment
	Segment		Adjusted			Segment		Adjusted
	Revenues		EBITDA			Revenues		EBITDA
Assessment, Permitting and Response	$	95,637	$	20,432		$	145,967	$	30,660
Measurement and Analysis		81,985		13,369			72,557		14,351
Remediation and Reuse		96,968		15,049			51,517		6,790
Total Operating Segments		274,590		48,850			270,041		51,801
Corporate and Other		—		(15,886	)		—		(14,039	)
Total	$	274,590	$	32,964		$	270,041	$	37,762

Reconciliation of Segment Measure to Net Loss

Presented below is a reconciliation of the Company’s segment measure to net loss:

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2022			2021			2022			2021
Total	$	16,513		$	20,963		$	32,964		$	37,762
Interest expense, net		(1,518	)		(6,798	)		(2,610	)		(9,486	)
Income tax (expense) benefit		(831	)		256			(2,100	)		254
Depreciation and amortization		(12,280	)		(9,878	)		(24,424	)		(21,674	)
Stock-based compensation		(10,932	)		(2,417	)		(21,357	)		(4,222	)
Start-up losses and investment in new services		(885	)		(1,122	)		(1,671	)		(2,090	)
Acquisition costs		(519	)		(506	)		(986	)		(743	)
Fair value changes in financial instruments		407			(518	)		2,856			(1,120	)
Fair value changes in business acquisition    contingencies		3,510			(12,971	)		3,531			(24,035	)
Expenses related to financing transactions		—			—			(7	)		(50	)
Other losses or expenses (1)		(1,216	)		(157	)		(1,483	)		(675	)
Net loss	$	(7,751	)	$	(13,148	)	$	(15,287	)	$	(26,079	)

(1) In 2022, amounts include costs associated with the closing of a lab. In 2021, amounts include non-operational charges incurred due to the remeasurement of finance leases as a result of the adoption of ASC 842 and costs related to the implementation of a new ERP.