W. Va. Code § 23-4-2
(a) Notwithstanding anything contained in this chapter, no employee or dependent of any employee is entitled to receive any sum under the provisions of this chapter on account of any personal injury to or death to any employee caused by a self-inflicted injury or the intoxication of the employee. Upon the occurrence of an injury which the employee asserts, or which reasonably appears to have, occurred in the course of and resulting from the employee's employment, the employer may require the employee to undergo a blood test for the purpose of determining the existence or nonexistence of evidence of intoxication: Provided, That the employer must have a reasonable and good faith objective suspicion of the employee's intoxication and may only test for the purpose of determining whether the person is intoxicated. If any blood test for intoxication is given following an accident, at the request of the employer or otherwise, and if any of the following are true, the employee is deemed intoxicated and the intoxication is the proximate cause of the injury:
(d)
(2) The immunity from suit provided under this section and under sections six and six-a, article two of this chapter may be lost only if the employer or person against whom liability is asserted acted with "deliberate intention". This requirement may be satisfied only if:
(A) It is proved that the employer or person against whom liability is asserted acted with a consciously, subjectively and deliberately formed intention to produce the specific result of injury or death to an employee. This standard requires a showing of an actual, specific intent and may not be satisfied by allegation or proof of:
(B) The trier of fact determines, either through specific findings of fact made by the court in a trial without a jury, or through special interrogatories to the jury in a jury trial, that all of the following facts are proven:
(ii) That the employer, prior to the injury, had actual knowledge of the existence of the specific unsafe working condition and of the high degree of risk and the strong probability of serious injury or death presented by the specific unsafe working condition.
(iii) That the specific unsafe working condition was a violation of a state or federal safety statute, rule or regulation, whether cited or not, or of a commonly accepted and well-known safety standard within the industry or business of the employer.
(v) That the employee exposed suffered serious compensable injury or compensable death as defined in section one, article four, chapter twenty-three as a direct and proximate result of the specific unsafe working condition. For the purposes of this section, serious compensable injury may only be established by one of the following four methods:
(C) In cases alleging liability under the provisions of paragraph (B) of this subdivision:
(i) The employee, the employee's guardian or conservator, or the representative of the employee's estate shall serve with the complaint a verified statement from a person with knowledge and expertise of the workplace safety statutes, rules, regulations and consensus industry safety standards specifically applicable to the industry and workplace involved in the employee's injury, setting forth opinions and information on: