Tenn. Comp. R. & Regs. 0080-05-10-.10

Current through December 26, 2024

Section 0080-05-10-.10 - INVESTIGATIONAL ALLOWANCES

(1)

(a) A commercial fertilizer shall be deemed deficient if the analysis of any nutrient is below the guarantee by an amount exceeding the values in the following schedule*

Guaranteed percent	Nitrogen percent	Available Phosphoric acid, percent	Potash percent
04 or less	0.49	0.67	0.41
05	0.51	0.67	0.43
06	0.52	0.67	0.47
07	0.54	0.68	0.53
08	0.55	0.68	0.60
09	0.57	0.68	0.65
10	0.58	0.69	0.70
12	0.61	0.69	0.79
14	0.63	0.70	0.87
16	0.67	0.70	0.94
18	0.70	0.71	1.01
20	0.73	0.72	1.08
22	0.75	0.72	1.15
24	0.78	0.73	1.21
26	0.81	0.73	1.27
28	0.83	0.74	1.33
30	0.86	0.75	1.39
32 or more	0.88	0.76	1.44

For guarantees not listed, calculate the appropriate value by interpolation.

(b) Secondary and minor elements shall be deemed deficient if any element is below the guarantee by an amount exceeding the values in the following schedule:

ELEMENTS	ALLOWABLE DEFICIENCY
Calcium)	0.2 unit +5% of guarantee
Magnesium)	0.2 unit + 5% of guarantee
Sulfur)	0.2 unit + 5% of guarantee
Boron)	0.003 unit + 15% of guarantee
Cobalt)	0.0001 unit + 30% of guarantee
Molybdenum)	0.0001 + 30% of guarantee
Chlorine)	0.005 + 10% of guarantee
Copper)	0.005 unit + 10% of guarantee
Iron)	0.005 unit + 10% of guarantee
Manganese)	0.005 unit + 10% of guarantee
Sodium)	0.005 unit + 10% of guarantee
Zinc)	0.005 unit + 10% of guarantee

*For these investigational allowances to be applicable, the recommended AOAC procedures for obtaining samples, preparation and analysis must be used, unless a proven variation of such procedures is acceptable to the Commissioner. AOAC Procedures are described in Official Methods qf Analysis of the Association of Official Analytical Chemists. In evaluating replicate data, Table 19, page 935, Journal of the Association of Official Analytical Chemists, Volume 49, No. 5, October, 1966, should be followed.

The maximum allowance when calculated in accordance to the above shall be 1 unit (1%).

Tenn. Comp. R. & Regs. 0080-05-10-.10

Original rule filed October 30, 1986; effective December 14, 1986.

Authority: T.C.A. § 43-11-113.