Cham-Cal Engineering v. Cal. Regional Water Quality Control Bd. CA4/2

California Court of Appeal·Decided January 17, 2024·No. E079966·Unpublished

Opinion

Filed 1/17/24 Cham-Cal Engineering v. Cal. Regional Water Quality Control Bd. CA4/2 NOT TO BE PUBLISHED IN OFFICIAL REPORTS California Rules of Court, rule 8.1115(a), prohibits courts and parties from citing or relying on opinions not certified for publication or ordered published, except as specified by rule 8.1115(b). This opinion has not been certified for publication or ordered published for purposes of rule 8.1115.

IN THE COURT OF APPEAL OF THE STATE OF CALIFORNIA FOURTH APPELLATE DISTRICT DIVISION TWO

CHAM-CAL ENGINEERING, INC. et al., Plaintiffs and Appellants, E079966 v. (Super. Ct. No. CVRI2101353)

CALIFORNIA REGIONAL WATER OPINION QUALITY CONTROL BOARD,

Defendant and Respondent.

APPEAL from the Superior Court of Riverside County. Daniel A. Ottolia, Judge.

Affirmed.

Isola Law Group, and David R. Isola, for Plaintiffs and Appellants.

Rob Bonta, Attorney General, Robert W. Byrne, Assistant Attorney General, Michael P. Cayaban, and Theodore A. McCombs, Deputy Attorneys General, for Defendant and Respondent.

I.

INTRODUCTION

Defendant and respondent, the California Regional Water Quality Control Board, Santa Ana Region (the Board), issued a cleanup and abatement order (the CAO) to plaintiffs and appellants Cham-Cal Engineering, Inc., and Western Avenue Association, L.P. (Cham-Cal). Among other things, the CAO directed Cham-Cal to mitigate dangerous vapors at its Garden Grove facility. Because Cham-Cal did not timely comply with that directive to the Board’s satisfaction, the Board imposed a $620,000 fine on Cham-Cal.

Cham-Cal filed a petition for a writ of administrative mandate in the trial court, seeking to vacate the fine. The trial court denied the petition, and Cham-Cal appealed. We affirm.

II.

FACTUAL AND PROCEDURAL BACKGROUND Cham-Cal’s Garden Grove facility consists of an Eastern Building, which Cham-

Cal Engineering, Inc. occupies, and a Western Building, which its tenant, Western Avenue Association, L.P., occupies. Both companies’ employees work at both buildings. The ground underneath both buildings contains various dangerous compounds, which pose serious health risks. These toxic chemicals were found in the soil, soil vapor, and groundwater at the Garden Grove facility. One of the chemicals was tetrachloroethylene

(PCE), which was detected in both the Eastern and Western buildings at concentrations above a safe level.

On July 18, 2016, the Board issued the CAO to Cham-Cal under Water Code sections 13304 and 13267. The CAO ordered Cham-Cal to, among other things, design and submit a vapor mitigation plan to protect workers at the Garden Grove facility from

inhaling harmful vapors, including PCE vapor, emitted from the contaminated soil into

1

the Eastern and Western buildings. The plan was due by July 3, 2017.

Cham-Cal submitted a vapor mitigation plan in April 2017. The Board conditionally accepted the plan, subject to Cham-Cal addressing deficiencies in the plan that did not, in the Board’s view, adequately address the toxic vapor problems at Cham- Cal’s facility. The Board thus “concur[red] with [Cham-Cal’s] proposed scope of work,” provided that Cham-Cal addressed the issues that the Board identified.

Cham-Cal’s vapor mitigation plan, as conditionally approved by the Board, required two main measures: (1) increasing ventilation in both the Eastern and Western Buildings and (2) blocking “intrusion pathways” into the building that allowed vapors to enter the building from the soil, such as cracks and joints in the concrete floors.

In June 2017, a sales manager at Cham-Cal attempted to block intrusion pathways in the Eastern Building, but not the Western Building, by applying floor sealant. However, the sealant was not rated for blocking certain toxic vapors at the facility and,

1 Cham-Cal does not challenge other aspects of the CAO. Its appeal concerns only the vapor mitigation plan and the $620,000 in associated penalties.

regardless, Cham-Cal “improperly and incompletely” applied it on only the Eastern Building’s floors, while performing no sealing work on the Western Building’s floors. The Board thus rejected Cham-Cal’s intrusion pathway vapor mitigation work as inadequate on July 27, 2017.

Cham-Cal failed to perform vapor mitigation work to the Board’s satisfaction for over a year. Indoor air samples taken from the facility in February 2018 showed that

PCE levels in the Western Building were at a safe level, but were far above a safe level in

2

Eastern Building. In the Board’s view, it appeared that “[l]ittle to no progress ha[d]

been made on correcting and mitigating vapor intrusion within the Eastern Building.”

Air samples taken from both buildings in September 2018 later revealed that PCE generally remained present in both buildings at unsafe levels. In the Western Building, the PCE concentrations in the samples ranged from well below an unsafe concentration to over twice a safe concentration (0.22 to 1.07 μg/m3) while samples from the Eastern Building ranged from just below an unsafe concentration to dramatically over an unsafe concentration (0.47 to 10.4 μg/m3). Although the Board found that the PCE concentrations in the Western Building were “relatively low,” the soil beneath both buildings contained exceedingly high levels of PCE, which posed an ongoing risk unless the vapor pathways were adequately sealed.

2 The environmental screening levels for PCE in indoor air are 0.48 micrograms per cubic meter (μg/m3) for residential buildings and and 2.1 μg/m3 for commercial. The Board consistently used the more conservative residential standard, which Cham-Cal does not challenge on appeal.

In response, the Board sent Cham-Cal a letter in December 2018 outlining the steps that needed to be done to sufficiently block the vapor intrusion pathways at the facility. The Board explained that the September 2018 air samples confirmed that “vapor intrusion is occurring within both buildings and that the vapor intrusion pathway is complete,” meaning that the vapors would “continue to enter into the buildings . . . and impact the indoor air quality for the foreseeable future.” In other words, Cham-Cal’s vapor mitigation efforts were inadequate in the long term.

The Board thus “directed [Cham-Cal] to the seal the floors in the Western Building within 60 days, using a vapor barrier compound such as an epoxy floor seal.” As for the Eastern Building, the Board concurred with Cham-Cal’s proposal to “postpone vapor mitigation measures” until the excavation of soil underneath the building was completed, but directed Cham-Cal to implement “appropriate vapor mitigation measures” within 60 days after the completion of the soil excavation.

In late June or early July 2019, Cham-Cal sufficiently sealed some, but not all of the intrusion pathways in the buildings. The Board thus found that the seals were inadequate to comply fully with the CAO’s vapor mitigation requirements.

The Board responded by filing an administrative civil liability complaint against Cham-Cal on November 15, 2019, for Cham-Cal’s failure to, among other things, “implement the required vapor mitigation measures as required by [the CAO] and Water Code § 13304.” After an evidentiary hearing on the complaint in October 2020, the Board fined Cham-Cal $1,140,000.

About half of the fine ($620,000) was related to the vapor mitigation issues. The Board explained that Cham-Cal could be fined $5,000 per day for not complying with the CAO after the July 3, 2017 deadline, up to November 15, 2019, the date the complaint was filed, for a total of 865 days (July 4, 2017, to November 15, 2019). (See Water Code, § 13350, subd. (e)(1).) The Board, however, “elected to collapse the days of violation to 124 days” (July 3, 2017 to November 5, 2017), resulting in a total fine of $620,000 ($5,000 x 124) for Cham-Cal’s “failure to implement the required vapor mitigation measures.”

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