662                              Laws of Maryland                      [Ch. 326

(III) the net weight or measure of the content subject, however,
to such reasonable variations as the State Chemist may permit.

(3)    any pesticide which contains any substance or substances in
quantities highly toxic to man, determined as provided in Section 133
of this subtitle, unless the label shall bear, in addition to any other
matter required by this subtitle—

(I)    the skull and crossbones;

(II)    the word "poison" prominently, in red, on a background of
distinctly contrasting color; and

(III)    a statement of an antidote for the [pesticide] product.

(4)    the pesticides commonly known as standard lead arsenate,
basic lead arsenate, calcium arsenate, magnesium arsenate, zinc
arsenate, zinc arsenite, sodium fluoride, sodium fluosilicate, and
barium fluosilicate unless they have been distinctly colored or dis-
colored as provided by regulations issued in accordance with this
subtitle, or any other white powder pesticide which the State Chem-
ist, after investigation of and after public hearing on the necessity
for such action for the protection of the public health and the feasi-
bility of such coloration or discoloration, shall, by regulation, require
to be distinctly colored or discolored; unless it has been so colored or
discolored; provided, that the State Chemist may exempt any pesti-
cide to the extent that it is intended for a particular use or uses from
the coloring or discoloring required or authorized by this section if
he determines that such coloring or discoloring for such use or uses
is not necessary for the protection of the public health.

(5)    any pesticide which is adulterated or misbranded.
(b) it shall be unlawful—

(1)    for any person to detach, alter, deface, or destroy, in whole or
in part, any label or labeling provided for in this subtitle or regula-
tions promulgated hereunder, or to add any substance to, or take any
substance from a pesticide in a manner that may defeat the purpose
of this subtitle;

(2)    for any person to use for his own advantage or to reveal,
other than to the State Chemist or proper officials or employees of
the State or to the courts of this State in response to a subpoena, or to
physicians, or in emergencies to pharmacists and other qualified per-
sons, for use in the preparation of antidotes, any information rela-
tive to formulas of products acquired by authority of Section 132 of
this subtitle.

132. Registration.

(a) Every pesticide which is distributed, sold, or offered for sale
within this State or delivered for transportation or transported in
intrastate commerce or between points within this State through any
point outside this State shall be registered in the office of the State
Chemist, and such registration shall be renewed [annually; provided,
that products which have the same formula, are manufactured by the
same person, the labeling of which contains the same claims, and the
labels of which bear a designation identifying the product as the
same pesticide may be registered as a single pesticide; and addi-