208 Bulletin N0. 90.
ment Station, Lexington, Ky. The purchaser shall also send
with the sample a certificate signed by himself and witness,
or by two witnesses, stating that the sender has purchased the
fertilizer for his own use and not for sale, and that the sample
was taken in the manner prescribed in this Section. Pro—
vided, however, that if the person. company or agent shall "
· refuse to witness the taking of the sample, then the sample
may be taken at the time of the purchase in the manner
already described in the presence of two witnesses who shall
certify to the manner of taking the sample. The purchaser
shall preserve the official label from one of the bags or other
packages sampled to be sent to the Director after having re-
ceived the report of analysis of the sample, and at the same
time he shall furnish to the Director the name and address of
the firm of whom the fertilizer was purchased andthe amount
purchased; and anv person having sent a sample for free
analysis, under the provisions of this Section, who shall, after
having received the report of analysis of the same, refuse to
furnish the required information, shall thereafter forfeit the
privilege of free analysis of fertilizers under this Section. But
if any sample shall have been submitted for free analysis
without all the requirements of this Section having been com-
plied with, the Director shall inquire into the case and may ,
accept the sample for free_analysis if he believes that it is a
fair sample of the fertilizer as it was delivered to the pur·
chaser.
Values Uscrl.—In calculating the relative value per ton, the
same values have been used as were used in our last bulletins, ·
namely: ·
Soluble and reverted phosphoric acid in mixed fer
tilizers ...................... . . . . . ...... . 7C per lb.
Soluble and reverted phosphoric acid in plain acid .
and unacidulated phosphates ..,..........,... 5c per lb.
- Insoluble phosphoric acid in mixed fertilizers . . .2}éC per lb.
Insoluble phosphoric acid in plain acid phos-
phates .,....... . ..... . ....,_....,...... Nothing.
Phosphoric acid in fine bone ....,.,..,........ 4C per lb. i
Phosphoric acid in medium bone ,,....,.......,. gc per lb.
Fine bone is all that passes through a sieve with meshes one—
twenty-fifth inch square. Medium bone passes through a
sieve with meshes one-sixth inch square, but does not include
fine bone.