CONTACT Get in Touch Phone General Inquiries (713)-999-9114 Cell Phone (832) 576-4640 Fax Number (713) 734-3267 Email [email protected] Business Hours Monday — Friday 8am – 5pm Testing services performed at off hours and on weekends or holidays are subject to overtime charges of $100 per hour with a minimum of $300 overtime charge. Send Us a Message Please enable JavaScript in your browser to complete this form.Name *Phone Number *Email *MessageMessageSubmit Please download the Chain of Custody form by clicking the link:Chain of Custody Form