Texas Health and Safety Code - HEALTH & SAFETY § 436.061. Adulterated Aquatic Life

(1) it bears or contains a poisonous or deleterious substance that may render it injurious to health unless the substance is a naturally occurring substance and the quantity of the substance in the molluscan shellfish or crabmeat does not ordinarily render the substance injurious to health;

(2) it consists in whole or in part of a diseased, contaminated, filthy, or putrid substance or if it is otherwise unfit for human consumption;

(3) it has been produced, prepared, packed, or held under unsanitary conditions whereby it may have become contaminated with filth or may have been rendered diseased, unwholesome, or injurious to health;

(4) it is in whole or in part the product of diseased aquatic life or has died otherwise than by taking;

(5) its container is made in whole or in part of a poisonous or deleterious substance that may render the contents injurious to health;

(6) it has been intentionally exposed to radiation, unless the use of the radiation complied with a regulation or an exemption under Section 409, Federal Food, Drug, and Cosmetic Act (21 U.S.C. Section 348);

(7) a substance has been substituted in whole or in part for it;

(8) damage to or inferiority of the product has been concealed;

(9) a substance has been added, mixed, or packed to increase its bulk or weight, to reduce its quality or strength, or to make it appear better or of greater value than it is;

(10) it contains a chemical substance containing sulphites, sulphur dioxide, or any other chemical preservative that is not approved by the Animal and Plant Health Inspection Service or by department rules;

(11) the molluscan shellfish have been taken from a closed area;

(12) the molluscan shellfish have been taken from a restricted or conditionally restricted area and have not been purified under department rules;

(13) the molluscan shellfish have been processed by a person without a shellfish certificate;

(14) the molluscan shellfish have not been handled and packaged in accordance with department rules;

(15) the crabmeat has been processed by a person without a crabmeat processing license; or

(16) the crabmeat was not picked, packed, or pasteurized in accordance with department rules.