Cal. Code Regs. Tit. 3, § 2317.5 - Investigational Allowances
(a) A
fertilizing material shall be deemed deficient if the analysis of any nutrient
is below the guarantee by an amount exceeding the values in the following
schedule:
Primary Nutrients
Guarantee Percent | Total Nitrogen (N) Percent | Available Phosphoric Acid (P2O5) Percent | Soluble Potash (K2O) Percent |
4 or less | 0.49 | 0.67 | 0.41 |
5 | 0.51 | 0.67 | 0.43 |
6 | 0.52 | 0.67 | 0.47 |
7 | 0.54 | 0.68 | 0.53 |
8 | 0.55 | 0.68 | 0.60 |
9 | 0.57 | 0.68 | 0.65 |
10 | 0.58 | 0.68 | 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 | 0.88 | 0.76 | 1.44 |
34 | 0.88 | 0.79 | 1.46 |
36 | 0.88 | 0.83 | 1.49 |
38 | 0.88 | 0.86 | 1.51 |
40 | 0.88 | 0.90 | 1.54 |
42 | 0.88 | 0.93 | 1.56 |
44 | 0.88 | 0.96 | 1.58 |
46 | 0.88 | 1.00 | 1.61 |
48 | 0.88 | 1.03 | 1.63 |
50 | 0.88 | 1.07 | 1.66 |
52 | 0.88 | 1.10 | 1.68 |
54 | 0.88 | 1.10 | 1.70 |
56 | 0.88 | 1.10 | 1.73 |
58 | 0.88 | 1.10 | 1.75 |
60 | 0.88 | 1.10 | 1.78 |
62 | 0.88 | 1.10 | 1.80 |
(1) If the
guaranteed percent is between listed values, the higher investigational
allowance shall be applied. For example, a 21% N guarantee would have a 0.75%
investigational allowance.
(2) In
no case may the investigational allowance exceed 50 percent of the amount
guaranteed.
(3) For Triple Super
Phosphate (TSP), the investigational allowance for available phosphoric acid
(P2O5) shall be 1.53%.
(b) Secondary and micronutrients
shall be deemed deficient if the analysis of any element is below the guarantee
by an amount exceeding the values calculated according to the following
schedule:
Secondary and Micronutrients
Element | Investigational Allowance |
Calcium | 0.2 unit + 5% of guaranteed analysis |
Magnesium | 0.2 unit + 5% of guaranteed analysis |
Sulfur | 0.2 unit + 5% of guaranteed analysis |
Boron | 0.003 unit + 15% of guaranteed analysis |
Cobalt | 0.0001 unit + 30% of guaranteed analysis |
Molybdenum | 0.0001 unit + 30% of guaranteed analysis |
Chlorine | 0.005 unit + 10% of guaranteed analysis |
Copper | 0.005 unit + 10% of guaranteed analysis |
Iron | 0.005 unit + 10% of guaranteed analysis |
Manganese | 0.005 unit + 10% of guaranteed analysis |
Sodium | 0.005 unit + 10% of guaranteed analysis |
Zinc | 0.005 unit + 10% of guaranteed analysis |
(1) For
low guarantees not represented by this table, an investigational allowance of
50 percent of the amount guaranteed will be applied.
(2) The investigational allowances are
applied as follows:
(A) For zinc guaranteed at
0.75 percent Zn, the investigational allowance is calculated as 0.005 +
0.1(0.75) = 0.08 percent. An analyzed value for zinc of 0.66 percent (0.75 -
0.08 = 0.67) or less would be declared deficient and in violation. An analyzed
value for zinc of 0.67 percent or more is within the investigational allowance
for a zinc guarantee of 0.75 percent Zn.
(B) For zinc guaranteed at 36.0 percent Zn,
the investigational allowance is calculated as 0.005 + 0.1 (36.0) = 3.605
percent. However, the maximum allowance is 1 unit (one percentage point).
Therefore, the investigational allowance for a 36.0 percent Zn guarantee is 1.0
percentage point. An analyzed value of 34.99 percent Zn or less would be
declared deficient and in violation. An analyzed value for zinc of 35.0 percent
or more is within the investigational allowance for a 36.0 percent zinc
guarantee.
(c) Other guarantees or claims shall be
deemed deficient if any ingredient or claim is below the guarantee by an amount
exceeding the values in the following schedule:
Other Ingredient Guarantees or Claims
Ingredient or Claim | Investigational Allowance |
Humic Acid | 10% of guarantee |
Soluble Silicon | 10% of guarantee |
Calcium Sulfate Dihydrate (CaSO4 . 2H20) | 5% of guaranteed analysis |
Gypsum Equivalent | 5% of guaranteed analysis |
Calcium Carbonate Equivalent | 5% of guaranteed analysis |
Lime Score | 5% of guarantee |
Vitamin B-1 (thiamine hydrochloride) | 30% of guarantee |
Total Phosphoric Acid (P2O5) | Refer to 3 CCR Section 2317.5(a), Available Phosphoric Acid (P2O5). The same investigational allowances apply. |
pH | pH 3.14% of required |
National Organic Program value (3.5 pH) (only required for organic input material liquid fish products) |
(1) The
investigational allowance for pH is applied as follows:
(A) For organic input material liquid fish
products, the National Organic Program states that the pH cannot be lowered
below 3.5. 3.5 pH--3.5(3.14%) = 3.3901 pH. Any value below 3.3901 pH would be
in violation of the National Organic Program rule (7
CFR 205.601(j)(8)). Any
value between 3.3901 to 3.4999 is within investigational allowance.
Notes
2. Amendment of subsections (b) and (c)-(c)(1) filed 9-29-2022; operative 1-1-2023 (Register 2022, No. 39).
Note: Authority cited: Sections 407, 14502, 14645 and 14647, Food and Agricultural Code. Reference: Sections 14645 and 14646, Food and Agricultural Code.
2. Amendment of subsections (b) and (c)-(c)(1) filed 9-29-2022; operative
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