330 CMR 31.08
Retailer Requirements
Any Retailer who sells, or offers for sale, Phosphorus Containing Fertilizer shall:
(a) Display the product separately from non-phosphorus Plant Nutrients; and
(b) Post in a location where Phosphorus Containing Fertilizer is displayed a clearly visible sign,
at least 11" x 17" in dimension, which reads as follows: "PHOSPHORUS RUNOFF POSES A
THREAT TO WATER QUALITY. THEREFORE, UNDER MASSACHUSETTS LAW,
PHOSPHORUS CONTAINING FERTILIZER MAY ONLY BE APPLIED TO LAWN OR
NON-AGRICULTURAL TURF WHEN (I) A SOIL TEST INDICATES THAT
ADDITIONAL PHOSPHORUS IS NEEDED FOR THE GROWTH OF THAT LAWN OR
NON-AGRICULTURAL TURF; OR (II) IS USED FOR NEWLY ESTABLISHED LAWN
OR NON-AGRICULTURAL TURF DURING THE FIRST GROWING SEASON."